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Dec. 10, 1946.
B, R, CARSON ETAL _
2,412,441
PHONOGRAPH
Filed July 28, 1959
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Filed'July 28, 1959
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Dec. 10,1946.
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Filed July 28,1939
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Filed‘ July 28, 1959
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B. R. CARSON ET AL
2,412,441 ,
PHONOGRAPH
Filed July 28, 1939
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Patented Dec. 10, 1946
2,412,441 I
UNITED STATES PATENT- OFFICE v
2,412,441
PHONOGRAPH
Benjamin E. Carson, Haddon?eld, and Knut J.
Magnusson, Merchantville, N. J., assignors to
Radio Corporation of America, a corporation of
Delaware
Application July 28, 1939, Serial No. 286,988
18 Claims. (01. 274—10)
2
This invention relates to phonographs, and
.
curate and e?icient in operation, which com
prises a minimum number of parts, and which
more particularly to an automatic phonograph
of the type wherein a plurality of records are
is relatively inexpensive to manufacture.
supported above the turntable to be successively
In accordance with our present invention, we
lowered onto the turntable for playing, the present 5 provide a pair of rotatable record supporting
invention being an improvement upon that dis
posts at diametrically opposite points relative to
closed and claimed in the copending application
the turntable, the posts extending upwardly from
of Benjamin B. Carson, Serial No. 246,299, ?led
a suitable supporting plate and being spaced apart
December 17, 1938, now Patent No. 2,280,685,
a distance sufficient to accommodate 12" records.
granted April 21, 1942 and assigned to Radio 10 The records are supported in a vertically extend
Corporation of America.
‘
ing stack upon shelves extending‘toward each
In the aforesaid application,.there is disclosed
other from the posts a distance sufficient to
an automatic phonograph of the type mentioned
accommodate 10" records. Thus, regardless of
above wherein records of only one size can be
' whether the lowermost record is a 10" record
played automatically. To play records of a larger 15 or a 12" record, the shelves will be able to sup
size, it is necessary to make certain adjustments
port the entire stack.
of the apparatus, and even then, the larger
records can only be played manually.
Overlying the supporting shelves on each of
the posts are record separating members also car
ried by the posts and provided with knife edges
which are adapted to enter between the lower
most record of the stack and the next highest one
The primary object of our present invention is ‘
,
to provide an improved phonograph of the type
speci?ed which may be operated automatically
to reproduce a plurality of records of either small
as the posts are rotated. These separating mem
bers support the remaining records of the stack
diameter, or of large diameter, or of mixed di
ameters arranged at random in the stack, the
while the lowermost one is permitted to drop
machine to play the entire stack of records with 25 onto the turntable after the posts have rotated
out interruption and without attention on the
through an angle suf?cient to enable the record
part of the user after having once been set into
supporting shelves to clear the lowermost record.
operation.
More particularly, it is an object of our pres
It is well known that 12" records are some
what thicker than 10" records, and also that
ent invention to provide an improved automatic 30 records of a given diameter are not absolutely ,
phonograph as aforesaid which will incorporate
uniform in thickness. Accordingly, it is neces
means for effecting the release and transfer of
sary to make the record separating members ad
each successive lowermost record of the stack to
justable so that they can be accommodated to
the turntable regardless of the'diameter of the
records of different thicknesses while the posts
record.
35 rotate. This is accomplished, according-to our
Another object of our present invention is to
invention, by making the record separating mem
provide an improved phonograph as aforesaid
bers adjustable toward and away from the sup
which, when arranged to play records of mixed
porting shelves and by controlling the adjust
diameters indiscriminately, will operate to ac
ment in two ways. In the ?rst adjustment,
curately locate the sound reproducing instru 40 should the knife edges of the separators strike
mentality at the starting point of each new record
the edge of a record, the posts will, as they begin
regardless of its diameter.
to rotate at the proper point in the automatic
It is also an object of our present invention
cycle, effect a slight camming action on the record
to provide an improved phonograph as aforesaid
separators to raise them slightly with respect to
which will insure the transfer of only one record 45 the record supporting shelves until the knife
at a time from the stack to the turntable regard
edges on the separators have reached the plane
less of variations in thickness of the records of
of contact between the two lowermost records,
the stack.
whereupon the knife edges are free to be wedged
Another object of our present invention is to
in between the records and thus separatethem.
provide an improved automatic phonograph as 50 The other adjustment is accomplished by means
aforesaid which will handle warped records with
out any dii?culty.
A further objectv of our present invention is
to provide an improved phonograph of the type
described which is very compact, extremely ac 55
extending through the record supporting shelves
which are engaged by 12" records but not by 10”
records, the engagement of the last named means '
by the larger records serving to effect a substan
tial raising of the separator members relative to
2,412,441
3
‘- of the line X[I—XII in Fig. 1,
Figure 13 is a plan view of one of the record
' supporting posts showing, in detail, the record
most 12" record and the record next ‘above it.
To insure properly locating the sound repro
ducing instrumentality at the beginning of each
supporting shelf and parts carried thereby,
Figure 14 is a sectional view taken on the line
X[V-—XIV of Figure 13, and
Figure 15 is a fragmentary sectional, view
record lowered onto the turntable, there is pro
vided a control lever or post which is pivotally
mounted adjacent to one of the aforesaid record
supporting posts.
The needle locating mecha- ,
nism is normally arranged to cause the sound re~ 10
correspondingparts throughout, we have shown
a motor board I or the like to which is secured
a motor plate 3 carrying a motor 5 which, through ~
in a position such that it is clear of the edge of a .
turntable. However, the lever has a cam thereon
which lies in the path of movement‘ of. a 12"
record and which is engaged by the edge of. they
larger record as it drops down onto the turntable.
This cams the lever to a position where it con
trols the return of the sound reproducing instru
mentality to the 12" position. In this way, the
proper starting point of the needle for each suc
taken on the line XV—XV of Figure 13.
'Referring more particularly to the drawings,
. wherein similar reference characters designate
producing instrumentality to land in the 10',’
starting position, but is under control of the
aforesaid pivoted lever. Normally, this lever is
‘10" record as the record drops down onto the
4
Figure 12 is a'sectional view taken on the plane
the shelves sufficient to accommodate the knives
on the separators to the plane between the lower
a flexible couplingl, drives a turntable spindle
9 carried by a second plate H. The coupling l’
‘ is preferably; of the type fully disclosed and’
claimed in the copending application of Benja
min R. Carson, Serial No. 276,685, ?led May 31,
20 1939, now Patent No. 2,247,651, granted July 1,
1941, and assigned to Radio Corporation of Amer
ica. The spindle 9 supports and drives a hori
zontally disposed turntable l3‘ upon which a’ plu
rality of records R accumulate in a manner
‘
15
cessive record is properly determined. If desired,
the mechanism may also be provided with means 25 hereinafter more particularly set forth so that
for presetting the 12" landing position of the
‘needle so that, when only 12," records are played,
the aforesaid pivoted lever and the mechanism
controlled thereby neednot be availed of to insure
the proper landing of the needle on the larger 30
records.
,
each can be reproduced in succession.
Fixed to the spindle 9; is a gear 515- which con
tinuously drives a gear ll, the latter gear acting »
as a control device for eifecting operation of the
parts to carry out a cycle of automatic’opera
tions, the gear I 7 being rotatably mounted on the
The ‘novel features that we consider charac
teristic of our invention are set forth with par
plate H and supporting a cam member is on the ~
‘and method of operation, together with addi
tional objects and advantages thereof, will best
be understood from the following description of
with an opening 23 therein for a purpose herein- .
after more fully described. , Within the space-de
underside thereof. The cam. member ['9 is some
ticularity in the appended claims. The inven- "' what oval shaped and is provided with a down
‘tion itself, however, both as to its organization 35 wardly extending peripheral flange 2| formed
a speci?c embodiment, when read in connection
with the accompanying drawings, in which
Figure 1 is a plan view of our improved phono
?ned by the flange 2| is a cam plate 25 having‘
a portion 25a, extending through the opening 23
40 and being formed to provide a cam track 2}? be
tween its periphery and the flange Zl. The'oon
graph set to play 10" records automatically and
with the parts in the position at the beginning
of playing of a record,
Figure 2 is a sectional View taken along the
‘plane of the line II--II in Fig. 1,
Figure 3-is a View similar to Fig. 1, but showing
the position of the parts immediately after the
record changing portion of the automatic cycle
. I has been initiated,
Figure 4 is a similar view showing the position
1of the parts at the time when a new 10" record
is released from the stack ‘to permit it to drop,
‘ onto the turntable,
‘ 1 Figurev5 is a similar view showing the position »
trol cam I9 and its cam plate 25 are fixed rela
tive to each other and are also ?xed to the con
trol gear I‘! so that they will all rotate in unison
and so that the ?ange 2!‘ and the periphery of
the cam- plate 25 will function as cams relative
to the axis of rotation of the control gear ll.
Pivoted to the plate H on a post 29 is an actu
ating member 3! comprising. a lever having four
lateral extensions 3la, 317b, Slc and 31d, as well
as two oppositely extending arms 3k»; and 35/‘.
A roller 33 is mounted on the arm am for co
operation, as a cam follower, with the cam track 4
21 whereby the cam member is and its cam
of the parts approximately half way through
plate 25 are adapted to impart rotation to the
actuating lever 3| about the pivot 29. Atthe
the record changing cycle,
appropriate point in the automatic cycle, the
.
roller 33 is caused to enter into the cam track
2'! through the opening 23 to the right of the ex
the position of the parts when a 12" record is
released from the stack for dropping onto the 60 tension 25a (Fig.' 1), and during the ?rst half '
of the cycle, the cam ?ange 21 is effective to
turntable,
cause counter-clockwise movement of the actu
Figure '7 is a fragmentary view similar to Fig.
Figure 6 is'a View similar to Fig. 4, but showing
1, but showing the position of the'parts at the
start of a 12" record,
I
'
'
Figure 8 is a fragmentary detail view showing 65
the position of certain parts when the mecha
nism is set for manual operation,
Figure 9 is a similar view, but showing the
"position of the parts when they have been moved
. to reject position,
Figure 10 is a detail view of the mechanism
ating lever 3!. When, however, the roller 33
has reached vthe position shown in Fig. 5, the cam
plate 25 then takes up the work and the right
hand side of its periphery, as viewed in Fig. 5,
acts upon the roller'ss to thereafter return the
actuating lever 31 in a clockwise direction to its
’normal position. The actuating lever 31 is then
held in its rest position by means of a coil spring
35 which surrounds a toggle member 31 slotted at
its ends. One of the slotted ends of the toggle
for controlling the landing position of the needle
with the parts in the 10" landing position,
Figure 11 is a, similar View, but with the parts
which is ?xed to the plate II, and the other end
in the 12" landing position,
thereof is received in the groove of a second post
'
member 31 is received in a groove on a post 39 V
2,412,441
5
4| carried by the arm 3Ia of the actuating lever,
the spring 35 acting between a pair of washers
43 which bear against the posts 39 and 4|.
When the actuating lever 3| is in its rest posi
tion, the posts 39 and 4| lie on a straight line
to one side of the pivot point 29 of the actuating
lever 3 I, whereby the spring 35 is eifective, as an
over-center spring, to insure holding the actu
ating lever in its normal position. At this time,
6
of the actuating lever 3|. During the playing
portion of a cycle (that is, while a record is being
reproduced), the arm 3Id of the actuating lever
is in the position shown in Fig. 1.‘ However, im
mediately after the pickup 63 has been raised
from the played record, as above described, con
tinued movement of the actuating lever 3| in a
counter-clockwise direction under the in?uence
of the cam ?ange 2| brings the end of the lever ’
also, the spring 35 is compressed. During the 10 arm 3Id into engagement with the pin 83 and
?rst half of the record changing cycle (that is,
causes the plate ‘I9 to move clockwise about its
while the actuating lever 3| moves from the
pivot post 8|; This, in turn, causes the arm ‘I5
position shown in Fig. l to the position shown
to move counter-clockwise by reason'of the'piv
in Fig. 5), the post 4| has moved to a position
oted link connection TI, whereby the pickup arm
such that the straight line joining the posts 39 15 BI is moved counter-clockwise to a position clear
and 4| lies on the other side of the pivot 29, and
the spring 35 has gradually expanded to assist
moving the actuating lever 3| counter~clockwise
of the turntable and the record stack, as shown in
Fig. 4, the pickup arm 9| being retained in ele
vated position all this time by reason of the en
gagement of- the pin 61 with the portion 59 of
At the same time, it insures contact of the roller
33 with the cam plate 25 during the last half 20 the cam edge 49a.
of the cycle because the toggle member 37 is now
Pivotally mounted on a post 85 on the under
on a line lying on the other side of the pivot 29.
side of the plate I I is a pickup arm locating lever
A rubber block 45 ?xed to the plate I I is engaged
81, the lever 81 being constantly biased in a clock
by the post 4| when the actuating lever 3| has
wise direction by means of a coil spring 89 ?xed
returned to rest position and takes up the shock 25 at one end to a pin 9| on the lever 81 and at its
of the lever 3|.
other end to a pin- 93 on the under side of the
Pivoted to the under side of the plate II on a
plate II. The purpose of the lever 81 is to de
post 47 is a cable lever 49 having an offset por
termine the startingposition of the needle 65
tion which receives an eye bolt 5| to which one
when the pickup .arm 6| is subsequently re
end of a coil spring 53 is secured. A cable 55, 30 turned and lowered onto the next succeeding
having one end thereof secured to the other end of
record for playing.
the spring 53, passes around a guide roller or
Pivotally'mounted on the lever 81 is a detent
pulley 51 mounted on a bracket 59 and through an
lever 95 which is constantly biased in a-clockwise
opening in the plate I I. being secured at its other
direction relative to the lever 81 by means of a
end to a pickup arm or the like support 6| hav
coil spring 91 having one end thereof around
ing a sound reproducing instrumentality or sound
a pin 99 on the detent lever 95 and its other end
translating device 63 thereon which carries a
around the pin IIlI on the lever 87. The de
reproducing needle 65.
tent lever 95 is provided with a U-shaped notch
The cable lever 49 is provided with a cam edge
I03 and an adjacent cam edge I95 (see Figs. 4,
49a which ?rst has a short, rapid rise with re ~10 5 and 6) and the notch I93 is so located thereon
spect to the pivot 41 to approximately the point
“A” (Fig. 1) and thereafter continues along an
arc 59.‘ Upstanding from the lever arm 3Ia is
a pin 61 which, during reproduction of a record,
occupies a position spaced from the cam edge
49a, as clearly shown in Fig. 1. As soon, however,
as the lever 3| begins its initial counter-clock~
wise rotation under the in?uence of means here
inafter described, the pin 61 engages the cam
edge 49a and rotates the cable lever 49 in a coun
ter-clockwise direction rather rapidly. This ?rst
causes the lever 49 to take up the tension in the
spring 53 and the slack in the cable 55, and then to
exert a pull on the pickup arm 6| to quickly raise
the pickup 63 above the played record. By this i
time, the actuating lever 3| has reached a posi
tion such that the are 59 is concentric with the
pivot post 29. Hence, no further counter-clock
wise movement of the cable lever 49 takes place as
long as the pin 6'! passes over the arced portion (ii)
59 of the cam edge 49a, the pick-up-arm 9| being
held in raised position all this time.
The pickup arm 6| is pivotally mounted on a
supporting post 59 rotatably mounted in a bush
ing 'II on the plate I I and extending through the “
bushing 'II below the plate II, the bushing 'II
that, when the detent lever 95 is in the position
shown in Fig. 3, the left-hand edge of the notch
I93 (as viewed) is spaced from the parallel edge
of a toe 81c on the lever 81 a ~distance su?icient
to accommodate a downwardly extending pin
III’! on the plate ‘I9. Normally, that is, during
playing of a record, the arm 3Ic of the actuating
lever 3| is in engagement with a pin I99 on the
detent lever 95 to hold the detent lever in the
position shown in Fig. 1. After the needle 95 has
entered the record terminal groove and the ac
tuating lever 3| begins its counter-clockwise
movement, the arm 3Ic gradually recedes from
the pin I99 and the spring 9'! pulls the detent
lever into the position shown in Fig. 3, at which
time the pin IilI stops further clockwise move;
ment of the ‘detent lever 95 with respect to the
lever 81. Upon continued movementof the ac
tuating lever 3| in a counter-clockwise direc
tion, the arm v3Id continues ‘to rotate the plate
‘I9 counter-clockwise causing the pin I91 to en
gage the cam edge I95 to cam the lever 95 back
a little until the pin I97 passes the cam edge
I95, whereupon the spring 91 pulls the detent
lever 95 back to its extreme clockwise position,
thereby trapping the pin I91 in the notch I93
between the left-hand side thereof and the edge
and the post 69 being inclined from the Vertical
about three degrees toward the turntable i3.
Secured to the lower end of the post 99 is a
collar ‘I3 (see Fig. 12) from which extends an
of the toe or extension 810 on the lever 81. Thei
pickup arm 6| is then looked against movement
, radially inwardly of the turntable I3,'since the.
‘arm ‘I5 connected by means of a link ‘I’! to a plate
'I9'pivotally mounted on a post 8| which is se
However, the pickup arm 6| is still free to move
lever arm 3|d is in engagement with the pin 83. "
cured to the plate II. The plate ‘I9 has a down~
radially outwardly of the record and, as the ac— ‘
wardly extending pin 83 thereon‘ which lies in
tuating lever 3| continues its‘ counter-clockwise
the path of movement of the end of the arm 3Id 75 movement,the pickup arm BI is forced outwardly
2,412,441
will strike the extension 121, lift the lever I25’
against'the action of. the ‘spring I29 sufficiently
to its extreme outward position beyond the pe- ‘
riphery of even the largest sized record on the
turntable.
.
a
to pass under. the extension I21, and eventually a '
'
engage the step IZI. Obviously, in such» case,
thelevertl will not have moved as far clock
After the actuating lever 3| has reached‘ the po
' sition shown in Fig. 5, the cam plate 25 becomes ‘
effective to return the lever SI in a clockwise di- ‘
wise as it did in connection with a 10” record,
rection to its rest position. Since the spring 89
and consequently the pickup arm will not have
constantly pulls the lever 81 in a clockwise direc- ,
been moved in toward the spindle 9 as far as
previously. Thus, whenthe pickup is later low
tion and the toe 810 is now in engagement with
the pin I31, it is obvious that the lever 8'! will 10 eredv onto the 12" record, it will properly'land,
at the starting groove thereof.
turn the plate ‘I9 in a counter-clockwise direction
If the last played record is a 12" record and
about its pivot 8I to cause the pin 83 to follow
the succeeding record in the stack is a 10" 7
the lever arm 3 Id. Eventually, when the lever 8'!
record,‘ it is obvious that it will be necessary to
is limited from further clockwise rotation by
means shortly to be described, the lever arm 3Id 15 reset'the locating postv III from the position
shown in Fig. 11 to the position shown in Fig. 10 ‘
recedes from the pin 83, while the lever arm 3Ic
so that, after the 10" record has dropped down
approaches and ?nally engages the pin I99 to
force the detent lever 95 counter-clockwise about
its pivot, until the detent lever 95 is moved clear
of the pin Nil. The pickup arm @I then be
comes free to move over the. record to reproduce
the same, and the above described cycle is re
. onto the turntable, the pickup 63 will be properly .
located thereon. vJust immediately prior to the
release of the next succeeding record, the pin
E35 strikes the lower end of the extension IZ'I '
on the lever i235 as the lever 8'.’ moves in a coun
ter-clockwise direction. Since the lever IE5 is
biased against the pin I35, the pin I35‘ will cam
terminal groove of the new record.
Extending through a slot II I3 in the plate Il 25 the extension E27 downwardly and thus effect
counter-clockwise movement of the locating post
(Figs. 10 and 11) isa needle locating lever or
@II and the parts carried thereby. This action
post i I I having a cam edge I I3 thereon and piv
takes place until the pin I35'rides past the-up
otally mounted for movement in a plane normal
to thathof the turntable I3 on a pin H5 carried
per end of the extension E21, 'atwhich time the
by a bracket H‘! which is secured ‘to the plate I I. 30 locating post III is in the position shown in Fig.
peated when the needle eventually reaches the
The post» III is somewhat L'-shaped and at the
10. Thus, the mechanism is automatically, set."
end of the shorter arm of the L, it is ‘formed
for the 10" starting position of the pickup. . The
action is the same whether the next record to
with two arcuate steps H9 and I2I.‘ Pivotally
mounted on the shorter arm of the post III on
a pin I23 is a lever I25 which has an offset ex
be played is a 10" record or a 12’? record.
If
35 the next succeeding record is a 10" record, the
tension .IZ'I at its free end, a spring I29 con
stantly biasing the lever I25 in a counter-clock
wise direction and into engagement with a stop
locating post I II will remain in the position of
Fig. 10. However, if the next record to be played
pin I3I.
post II! back to the position of Fig. 11 as it‘
drops past it, and thus the properstarting point
is a 12" record, the latter will move the’ locating
-
The post'III is held in. either the position
shown in Fig. 10 or the position shown- in Fig.
therefor
The records
will be
R, obtained.
are stacked ; vertically
' » Y
above the
ll by means of an overcenter spring I33. When
' turntable upon a pair of supporting posts I3‘!
, the post III is in the position shown in Fig. 10, ‘
(Figs. 12 to 15) located at diametrically oppo
the cam edge I I 3 is external to the path of move
ment of a 10',’ record as it is transferred to the
turntable in a manner presently to be described,
but in this position, it lies in the path of move
'ment of a 12" record. Now, if a 10" record is
site points with respect to the turntable It, the _ ‘
posts I31 being rotatably'recei'ved in bushings
I39 ?xed tothe plate II. Locked to the posts
E31 by means of set screws MI are hubs IE3 to
which are ?xed and from which'extend record
dropped down onto the turntable to be played
next, the post I I I remains in the position shown .
supporting shelves M5 upon which the vertically,
stacked records are supported. ¢The upper‘ ends
. in Fig. 1%). During the ?rst portion of the cycle,
the lever 8'! is moved counter-clockwise, as above
vof the hubs M3 are formed hollow and loosely‘
described, and a pin I 35 'on the projectiontlb‘
thereof rides past the extension I27 without en
gagingthe latter. Thereafter, upon ‘clockwise ,'
movement of the lever 3?,the lever‘B-‘I moves in;
this direction until the pin' I35 engages the step '
H9, whereupon further clockwise movement of
the lever 8‘? is prevented. 'Since, at this time,
the pin It] is locked between the left-handedge 60
of the U-notch I93 and the toe >810, it is obvious
that the, pickup arm 6| will not move further in
toward the spindle 9, and when it is subsequently
lowered onto the record, it willland at the start
receive hubs It? to which are secured. record
separators I49 displaced from the shelves M5 both
circumferentially and axially with respect to the .
posts I3? and each being formed with a knife
edge
M5911. terminating approximatelyiadjacem
the left-hand edge of the shelf I45, as-viewed in
Fig.v 13.. Pivotally supported on adownwardly
extending lug Ill?ason each of the supporting
shelves I45 is a leverISi which carries a pin’, i553
extending loosely through an opening, I55in the
hub I43. The pin E53 also hasja reduced end,
' which extends into an opening I5? in the hub
ing point of the 10” record.
Id‘I, the opening I5‘! being of considerably larger
Assume, now, that the dropped record ‘is a 12” ‘
record. This record will engage the cam edge‘ a
diameter than the reduced end ofthe pin I53and
the pin I53, being in engagement withthe upper.
portion of the opening I57, so that the ‘hub I41
I I3 on the post II I and will force the post to the,
'rests upon the pin. The supporting shelf M5 is
position shown in Fig. 11 as the record drops past
it. The mechanism is sotimed that the record 70 formed'with an opening I46 through which’ ex- "
tends an adjustable, ball-tipped '_ ' screw 459 '
is not released from the stack until after the
‘lever extension 81b has reached-the position
threaded into the lever I 5!,‘the extent of‘pr‘oj'ec‘e
tion of the ball tip-ofthe screw I59:throughthe
‘ , shown in Fig. 11, where it is clear of the lever‘
opening I136 being determined by a set ‘screw I61
I25 and its extension I2l'I. Upon subsequent
clockwise movement of the lever 81, the pin} I35
which isalso threaded into the lever. 5 5i and bears
2,412,441
10
stack can drop down slightly onto the supporting
shelves I45.
against the lower surface of the shelf I45. When
the separators I 49 are caused to rotate relative
to the shelves I45, it is obvious that their hubs
I41 will ride up on the pins I53 by virtue of the
circular openings I51 therein, and thus the
separators I49 will be raised slightly with re
spect to the supporting shelves I45. Also, by
the supporting shelves I45 that 10” records do
not rest thereon. However, 12" records, which
are usually thicker than 10" records, are of large
enough diameter to engage the ball heads of the
depressing the screws I59, the levers I5I will be
moved in a clockwise direction, as viewed in Fig.
screws I59 and depress them. This causes the
lovers 15I to move in a clockwise direction, as
The screws I59 are so located with respect to
14, thereby also effecting an elevation of the 10 viewed in Fig. 14, to thereby raise the separators
I49 and thereby automatically compensate for
separators I49 with respect to the shelves I45.
the greater thickness of the 12” record next to
The oppositely extending arms 3Ie and 3If of v
be released. It will be noted, however, that the
the main actuating lever 3'I carry pins I63 ad
tops of the openings I51 in the hubs I41 still rest
jacent to their ends which are received in elon~
gated slots I65 of a pair of slide bars I61. The 15 upon the pins I53 so that the action of the sep
arators will still be the same as previously de
slides I91 are formed with gear racks I99 which
mesh with gears I1I formed on hubs I13, the
hubs I13 being also formed with grooves which
scribed when attempting to enter between the
then lowermost 12” record and the next higher
record, regardless of whether the latter record
receive yoke members I15 secured to the slide
bars I61 adjacent to their gear racks I39. The 20 is a 12" record or a 10" record. Upon being re
leased from the stack in the manner previously
hubs I 19 are formed with slots I11 at their upper
described, the then lowermost 12" record will
ends for the reception of pins I19 extending
strike the locating post III in its descent toward
through the posts I31. It will be obvious, there
the turntable, and the starting position of the
fore, that, upon rotation of the main actuating
pickup thereon will again be automatically de
lever 3|, the slide bars I61 will be moved ?rst in
termined by the mechanism and in the manner
one direction, and then in the opposite direction,
to correspondingly rotate the gears HI and the
posts I31 with the parts carried thereby.
During initial counter-clockwise movement of
previously set forth.
the main actuating lever 3I, and while the pick- up is being raised from the record in the manner
from the turntable. To make this possible, it is
previously described, the pins I63 move in the
slots I65 to take up the play afforded thereby
and without any effect upon the slide bars I61.
By the time the pickup has been raised from the
played record and at approximately the time
when the lever arm 3Id engages‘ the pin 83, the
pins I53 have reached the opposite ends of the
slots I35 and the record supporting posts begin
to rotate. As the posts rotate, the record sup
porting shelves I45 begin to slide under the
lowermost record of the stack and the record sep
arators I49 move toward the record stack, the
knife edges I49a thereof seeking to enter be
tween the lowermost record and the next upper
one.
The separators I49 are so adjusted with
respect to the shelves I45 that the knife edges
149a thereof will engage the edge of the lower
most record. When this happens, further rota
tion of the separators I49 is temporarily pre
vented,'but since the pins I53 continue to rotate
with the hubs I43 and the posts I31, the pins
I53 will cam the separators I49 upwardly until
the knife edges I49a are in a position to enter
between the lowermost record of the stack and
the next upper record, whereupon the separators
349 will slide in between the two lowermost rec
ords. Shortly thereafter, the trailing edges of
the supporting shelves I45 (for example, the left
‘
After the entire repertoire has been played, it
is necessary to remove the accumulated records
necessary to remove the supporting shelves I45
from their normal, record stack supporting posi
tion. To do this, it is merely necessary to raise
the posts I31 until their pins I19 clear the slots
I11 in the bushings I13 and turn the posts
through an angle such that the shelves I45 will
clear the 12" records, thereby permitting re
moval of the accumulated records.
Before next
operating the machine, it is, of course, necessary
40 to reset the posts to the position shown in Fig. 12
with'their pins I19 back in the slots I11.‘ '
The weight of each of the hubs I41 and the
separators I49 is normally su?icient to insure
engagement of the upper portion of the opening
I51 with the pin I53 so that the action previously
described will be insured. However, to further
insure that this action will take place properly,
a coil spring 18I may be placed around the upper
end of the hub I41 and a C-washer or the like
I83 secured to the upper end of the post I31.
The spring I8I will then exert a force upon the
hub I41 and thus press the latter against the pin
I53. A cover I80, frictionally ?tted onto the
upper end of the hub I41, conceals the spring I8I
and associated parts from view.
'
To effect the automatic cycle of operations
heretofore described, there is provided a fric
tion ?nger I95 ?xed to a hub carried on the post
8|. A spring member I81 which comprises a
hand edge of the shelf I45 in Fig. 13) will clear
the lowermost record, thereby freeing it to be
pair of substantially parallel armsembraoing the
hub of the friction ?nger I35 to frictionally grip
dropped down along the spindle 9 which extends
through the entire stack, and onto the previously
force applied by the clutch spring I81 to the hub‘
of the friction ?nger being adjustable by means
played record on the turntable. If, as previously
described, the released record is a 10" record,.
it will not strike the locating post III and the
pickup will- subsequently automatically come to
rest at the starting position thereof. Eventually,
when the main actuating lever 3| begins its clock
wise rotation, its pins I53 will push the slide bars
I61 back to the position shown in Fig. 1 and
thereby return the posts I31 to their normal posi
tion, the separators I49 sliding away from under
the then lowermost record so that the entire
the same is secured to the plate 19, ‘the frictional
of a screw I39 (Fig. 12), so that the friction
?nger I95 and the plate 19 may assume various
angular positions with respect to each other. As
the pickup arm 6! moves over the record and the
plate 19 is moved in a counter-clockwise direc
tion, it carries with it the friction ?nger I85, also
in a counter-clockwise direction, until the free
end of the ?nger I85 engages a pin I9I which
extends through a cycle initiating pawl I93 piv
oted to the underside of the plate II and re
strained against free movement by a suitable
'
2,412,441
,
ll
7.12
arm 31d of they actuating lever. Bivotally mounte‘
leaf spring (not shown); The pin I95 extends’
down into the path of movement of the arm 31b
ed- on a post 299 on the plate II is a trip‘ regu- I
of the actuating lever SE, a shoulder I95 on the
lating'v plate 2 II having a‘slot 2I3- therein for the
pawl I99 being adapted to abut against a ?xed
pm. ‘597i on the plate 5 I to limit counter-clock
wise rotation of the pawl I99. The pawl “39 is
reception of a pin 21-5 on'the plate-‘l9.’ As the
plate ‘I9 turns clockwisein response to the‘lever '
arm 3Id, the pin 2I5f7'forces the plate 2 II around
also formed with a forwardly extending arm
I99 which terminates in a pair of angularly dis
posed faces that meet to form a- knife edge.
Cooperating with the pawl I93 is a tripping
member ZOI pivoted on the upper face of the gear‘
in a-counter-clockwise direction to bring the edge
2|‘! thereof against a pin 2 I9. on the friction fin
ger I 85. The friction ?nger I85 thus. becomes
locked against movement in either direction.
When the plate ‘I9is later returned in a counter
clockwise‘ direction, its pin 2! 5, acting in the slot
293, rotates the regulating plate 2!! ma clock
I-‘I eccentrically thereto and constantly urged in
a clockwise direction by a spring 293. The trip
ping member 2M is provided with an upwardly
wise direction until its edge 2!‘! ‘is moved away 7
extending trip 295 which terminates in a second
knife edge adapted to cooperate with either of
the faces of the knife edge of the arm I99, de
pending upon whether the knife edgeeof the trip
ping member 29I slips by the knife edge of the
pawl I99 on the right or the left thereof, as viewed 20
in Fig. 1.
" When the free end of the friction ?nger I35
engages the pin I9-I of the pawl I93, it imparts
a'clook-wise rotation to the cycle initiating pawl
[93 ‘tending to bring its knife edge into line with
the knife edge of the tripping member 29! as
the tripping member rotates with the continu
ously. rotating gear I'l. During the time that the V
needle 65 is in engagement with the sound groove
from the pin 2 I9. "Thereupon, the friction ?nger
135 moves withv the plate ‘I9, having been preset
to the required relation ‘therewith. Continued
movement‘ of the pickup arm over the record
subsequently brings the friction ?nger into en-r
gagement with the pin I9I of the pawl I93 and
the previously described action takes place.
However, the pawl I93 must ?rst also be reset,
and this is accomplished by engagement of the
arm am of the actuating lever with a pin 22I
on, the pawl I93 to rotate the latter in a counter:
clockwise direction as the actuating lever 3| goes
through the ?rst half of the cycle.
\
Pivotally. mounted one post 223 .on the plate
H is an index plate 2.2-5 which has an upstand
ing pin. 22?, constituting a handle by which the
index plate may be manipulated and which ex
tends through an arcuate slot 229 in the‘ plate
H. By means of the index plate 225, the ma
chine may be set (1) toautomatically play either
in! Ul 10" records alone or‘1'0" and 12" records mixed
indiscriminately, (2) to automatically play 12"
of a record, its forward advance across the record ,2
at each’ revolution thereof is so slight that the
pickup arm BI causes the plate ‘I9 and the fric
tion ?nger I85 to advance the pawl I93 a dis»
tance insufficient to dispose the right-hand face
of its knife edge (as viewed in Fig. 1) in the path
lot the knife edge of the tripping member 29L
Thelatter knife edge will, therefore, pass to the
left of- the knife edge‘ of the pawl I93. and the
outer face of- the trip 295 will engage the adjacent
face of! the arm I99 to cam the pawl I93 back 40
‘
slightly in a counterclockwise direction, this be~
irig permitted by the plate ‘I9since it is only fric-g
tionally coupled. to the ?nger I95. Thus, the
anglebetween the plate 79. and the friction ?nger
I95 is gradually reduced.
JI'he foregoing action takes place continuously
‘until the needle 95 enters the terminal groove of
thegrecord, whereupon the pickup arm is ad
vanced agreater distance in one revolution of the
record than while the needle was in engagement :
with. the sound. groove. The pawl I93. is, there
records alone, (3)v to play one record at a time, ~
anysize up to 12", manually, or (4,); to reject any
record without having to wait for it to be played.
For this purpose, the index plate 225 is provided
With'three notches 29!, 2'33, and 235 and with a
cam. edge-2,3], a coil spring 239 which has one
end?xed to the pivot post 223-and its other end
?xed to a pin 2M on a pivoted lever 2159 serving '
to hold the index plate in any position to which _
'itis setmanually-by drawing the pin24I into
one or the other of the ‘notches, 23I, 233 or 235.
lVhen the index plate 225 is set in the position
marked;“Mixed,” as shown in Fig. 1, the pin~24I '
fore, alsoiadvancedra, greater distance than nor
im'ally'and, in fact, is advanced to a point where
theknife edgeof the tripping member 29I passes,
is; engaged in’ the notch 235, and apin 245 on
the index plate 225, is in-aposition such that it
is spaced from'the toe 91a of the lever 81. This
.leaves the lever 91 free to act as above described
to_ permit locating the’ pickup arm'on either a
‘to the right of the knife edge on the. pawl 399 .
10?’ record, 01' a 12,” record by engagement of its
onithe next revolution of the gear IV‘i.
W'hen
this occurs, a furtherquick and. somewhat sud
den clockwise rotation is imparted to the pawl
I93.- whereupon the downwardly extending por
tionof. its pin I9! will engagethe lever arm 3H)
to rotate the actuating lever 3| in an initial
'countereclockwise direction to initiate a cycle
"of. automatic operations. As a result of this ini
tial counter-clockwise movement of the lever 3i, '
thecam. follower 33 will be forced into’ the cam
‘track, 21. through the opening 23, and they auto
matic cycle of operations previously described
willtake place.
pin I35 with either the step II9, or the step I2I,
. as; above described. ,
If 10" records alone are stacked on the turn- "
table, it is obviousthat they will be played auto
mati'cally in succession as, above described . by V
merely setting the index plate 225 to the “Mixed”
position. Similarly, if the records of the stack are
mixed, this position of the index plate will like-, .
wise permit playing of, the mixed records in ap
' propriate manner.
Sinceghowever, the locating -
post III is always automatically reset for locat
ing the pickup armiin, the 10”. position, it is
clear that, after the. last record of the stack is
Before'the next record is played, it is neces
sary to reset the friction ?nger I95 with respect
played, it will berepeatedfrom the 10,” position.
totheplate ‘I9. For this purpose, a stop pin 291
is' provided on the. plate II against which the
not berepeated from the beginning. It 'isrto in- r 7
sure the last record being i'epeatedr'from the be
free end of" the friction finger I85 abuts, when
‘itiis'movedin a. clockwise direction by the plate
1wheretherecordsinthe stackare @1112’! records,
Thus, if vthe last record is a 12";record, it will
ginning that the hotch233-is provided, so ‘that
19;- in responseto actuation’ of the latter by’ they 75 :they will all‘ be played from the"12’,' position,
\
2,412,441,
l3
and the last record will itself be repeated from
the very beginning.‘
When the index lever is moved to the “12 inch”
position, as shown in Fig. 7, the pin 24! is drawn
into the notch 233 by the spring 239 to hold the
14
sire that the foregoing shall be considered merely
as illustrative and not as limiting.
We claim‘as our invention:
'
" i
11. In a phonograph, a record magazine for sup
porting a stack of records in superposed con
index plate in this position, and the pin 245 is
brought into the path of the toe 81a. Conse
quently, when the lever 3'! goes through the cy
cle above described, the toe 787a eventually en
tacting relation and for releasing said records
position.
ter whereby said shelves are adapted to support
both small diameter records and records of sub
stantially larger diameter, and a record separa
tor carried by‘ each of said posts in association
with its record supporting shelf, each of said
one at a time which comprises a pair of rotatable
posts spaced apart a distance su?icient to accom
modaterecordsof large diameter, a record sup
gages the pin 295 which prevents further clock 10 porting shelf ?xed to each of said posts, said
shelves extending toward each other a distance
wise movement of the lever 8'! and automatically
sets it to return the pickup to the 12" starting
suf?cient to accommodate records of small diame
'
For playing individual records of any diameter‘
up to 12" manually, the index plate 225 is moved
to the manual position indicated by the mark
“M”, as shown in Fig. 8. In this position, the pin
26! is drawn into the notch 23! by the spring
239, whereby the plate 225 is releasably locked
separators being spaced from its associated shelf
axially along the associated post substantially
in the desired position. When the machine is 20 the thickness of a record and being also spaced
adjusted for manual playing, it is necessary that
circumferentially with respect to its associated
the trip pawl 693 be rendered inoperative. For
shelf and having a knife edge terminating sub
this purpose, there is pivoted on the post 209 a
stantially at the adjacent edge of the associated
record supporting shelf whereby, upon rotation
lever 299 formed adjacent one end with a cam
edge 25! which terminates in an arcuate end
of said posts in predetermined directions, said ‘
253, the lever 249 being also provided with a
shelves are removed from under the lowermost
hook 255. A coil spring 25'! which has one end
record of the stack while said separators enter
?xed to a pin 259 on the plate !! and its other
between said lowermost record and the next
end secured to the hook 255 constantly biases
higher record regardless of the diameter thereof
the lever 249 in a clockwise direction and tends
to support the remainder of the stack.
to move it into the position shown in Fig. 8, but
2. The invention set forth in claim 1 charac
it is prevented from doing so normally by a pin
terized in that said separators are movably
25! on the index plate 225 which, in any other
mounted on said posts for slight circumferential
than manual position of the plate 225, is in en
movement thereon.
.
gagement with the arcuate end 253. When, how 35
3. The invention set forth in claim 1 charac
terized in that said separators are adjustably
ever, the index plate 225 is moved to the manual
position shown in Fig. 8, the clockwise rotation
mounted on said posts for adjustment in an axial
of the index plate 225 carries the pin 26! be
direction thereon whereby said separators will
yond the end 253 and past the cam edge 25! into
be accommodated to records of different thick
the position shown in Fig. 8, whereupon the
nesses.
spring 25'! becomes free to move the lever 249
into the position of Fig. 8. In this position, the
finger 249a of the lever 249 engages the pin !9!
of the pawl E93 and positively holds it in a posi
tion such that the knife edge on the pawl I93 is
entirely clear of the knife edge on the tripping
member 29!. Hence, the cycle initiating mecha
nism cannot become effective to initiate a cycle
of automatic operations, and the machine will
continue to play records one at a time manually,
the needle 55 riding in the terminal groove of
each record until manually removed therefrom.
For rejecting any record, the index plate 225
may be moved to the position marked “R,” as
shown in Fig. 9. When moved to this position, ;
the cam edge 23"! of the index plate acts against
the pin 24!, thereby expanding the spring 239,
so that the latter will automatically return the
pin 26! into the notch 235 as soon as the handle
4. The invention set forth in claim 1 charac- ‘
terized in that said separators are movably
mounted on said posts for movement thereon in
both axial and circumferential directions, and
characterized by the addition of means for ef
fecting said movements upon engagement of said
separators with the edge of a record as said posts
are rotated.
'
5. The invention set forth in claim 1 character
ized in that said separators are adjustably
mounted on said posts for adjustment thereon in
an axial direction, and characterized further by
the addition of means for adjusting said separa
tors axially with respect to said shelves whereby
to accommodate said separators to relatively
thick records, said means extending through said
shelves and being so disposed relative thereto as
to be engageable only by records of large diam
eter whereby only large diameter records will
actuate said means.
221 is released. When the plate 225 is moved
6. The invention set forth in claim 1 charac
manually to the position shown in Fig. 9, a ?n
terized in that said separators are adjustably
ger 253 extending from the plate 225 is brought
mounted on said posts for adjustment in an ax
into engagement with the pin !9! on the pawl I93
ial direction thereon whereby said separators will
to move the pawl clockwise far enough to bring
its knife edge slightly beyond the path of the 65 be accommodated to records of different thick
' nesses, and characterized further by the addition
knife edge on the tripping member 20!. Accord
of two independently operable means for adjust
ingly, the tripping member 29! will strike the
ing said separators axially on said posts.
pawl [93 to bring the pin !9! against the lever
7. The invention set forth in claim 1 charac
arm 3H) and thus initiate a cycle of automatic
terized in that said separators are adjustably
operations in the manner heretofore described.
mounted on said posts for adjustment in an axial
Although we‘ have shown and described our
direction thereon whereby said separators will
invention in considerable detail, it will be obvious
be accommodated to records of different thick
to those skilled in the art that many variations
nesses, characterized further by the addition of
thereof and changes in the particular embodi
ment disclosed are possible. We, therefore, de 75 means for imparting to said, separators relatively
2,412,441
is
16
slight axialadj‘ustment with respect- to said posts,
‘ and characterized still further by the addition ‘
of means for imparting to ‘said separators a rel
Iatively great axial adjustment-with respect to ,
‘
said posts.
'
'
,
,
.
able posts disposed about said turntable, a rec;
ord supporting shelf carried by each of said posts
and rotatable therewith, and a record separating
element movably carried by each of said‘ posts
and mounted thereon for movement both axially
and circumferentially with respect to its associ
terized in that said separators are adjustably'
ated shelf;
,
'
5 7
13. The invention set forth in claim 12 charac
mounted on said posts for adjustment in an axial
direction thereon whereby said separators will be
terized by the addition of means for limiting the
accommodated to records of different thicknesses, 10 mo eji‘nent-of said separators relative, to their as.
characterized further by the addition of means
14. The invention set'fo'rt‘n in claim 12 char;
for imparting to said separators relatively slight
axial adjustment with respect to said posts; and
acterized by the addition of means carried by said
characterized still further‘ by the addition of
shelves for limiting the relative axial movement
means for imparting to said separators a. rela
betvveensaid separators and their respectively
tively great axial adjustment with respect to said
associated shelves.
.
posts, said last named means extending through
15. The invention’ set forth in claim'l2 char- ,
‘said shelves and being so disposed relative there
aeterized by the addition of ‘means on said posts
to as to be enga'geable only byrec‘ords of large
for limiting the circumferential movement of said
diameter whereby only'large diameter records 20 separators relative to their respectively associ
‘ ' ,8. The invention set forth in claim 1 charac
s'ociiate‘d shelves.
will actuate said last named means.
9. In an automatic phonograph of the type
wherein a plurality of records are supported
V ated shelves:
‘
I
I
'
~
V
_
'
r
a
16. An escap'ement mechanism for automatic
phonographscomprising an upper and lower sup- '
above the'turntable to besuccessively released
porting member connected together for simulta
onto said turntable, the combination of a control 25 neous movement, the upper member being adapt
device, an actuating member associated with said
ed to enter a stack of records above thelowermost
control device and arranged to be responsive
record whereby ‘said lowermost record is released,
thereto, a plurality of posts rotatably disposed
. and means effective upon the'movement of the
about said turntable, a record supporting shelf,
upper member into the stack for elevating said
carried by each of said posts above said turn 30 upper. member into position for said entry above
the lowermost record.
>
. 1
>
table, said shelves extending from said posts a
distance sufficient to support records of both rel
17. An escapement mechanism for automatic
phonographs comprising‘ an upper and lower sup‘
atively small and relatively large diameter where
porting member vcr'in'ne'cted together for simulta
by said records of different diameter may be
stacked at random above said turntable, a record 35 neous movement, the upper'mernber being adapt
vseparating member adjustably carried on each of
ed to enter a stack of records above the lowermost
said posts and spaced from the associated shelf
record whereby said lowermost record is released,
means normally maintaining the upper member
adistanc'e equal approximately‘ to the thickness
below the top surface of ‘the lowermost record,
of a record, said separating members also ex
tending from said posts a distance sufficient to 40 and means effective whenv the upper member is
‘ engage records of both diameters, means on said
adjacent the lowermost record for elevating the
posts‘ for adjusting said record separating mem
upper'member into‘ alignment with the top sur
bers to records of different thicknesses, and means
face of the lowermost record. ‘
coupling'said' actuating member and said rotat
7 J18, Ina multiple record phonograph including
a turntable and a tone arm in coacting relation -
able posts for rotating said posts upon movement‘
_
therewith, means‘ for holding a stack of phono
of said actuating member in response to said con
trol device to release'a record from said shelves
graph records in elevated relation above the turn
table, said means comprising a plurality of ro
tatable upright mountings each carrying a record
‘ regardless of the diameter thereof.
10. In a phonograph wherein a plurality of
records are stacked above a turntable for suc 50 releasing device including a supporting vblade
con?gured to normally underlie and support a
cessive transference to the turntable for repro
duction', a magazine for supporting the record ,
, stack which comprises a plurality of movable
members, a record supporting shelf on each of
said members movable therewith, a record sepa-l
, rating element in superposed relation to each said ‘
record supporting shelf, and cooperatively asso
stack of records and when rotated to remove the
support thus afforded, and an arresting blade in
superposed relation‘ to the supporting blade and
con?gured to normally clear the stack of rec
ords and when rotated to enter between the
lowermost record ‘of the stack and the next suc
ceeding record, the blades having limited relay
, ciatedmeans on said elements and members mov
t'i've vertical and rotat'ive movement with respect
ably mounting said elements on said members for
movement in a plurality of directions relative to
said‘ shelves.
11. The invention set forth in claim 10 char
acterized by the addition of means for‘ limiting
the movement of said separators relative to said
to one another, and cam means associated with
said “blades e?ective‘when'saidblades are sub- _ '.
'j'e'cte'd to relative rotation to elevate thearresting
blade with respect to‘ the supporting blade to ac
commodate records of varying thickness, the.
65 blades being rotatable in unison to release the
' shelves.
12'. In a phonograph of the type wherein a plu- '
lowermost record and arrest the remaining rec
. rality of records are stacked above the turntable
‘ ordsin the stack;
for successive transference t0 the turntable for
reproduction, a magazine for supporting the rec- ,
ord stack which comprises a plurality of rotat
70
BENJAMIN R. CARSON.
~K~NUT J. MAGNUSSON.
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