close

Вход

Забыли?

вход по аккаунту

?

Патент USA US2406355

код для вставки
Aug. 27, 1946.
7
V
J. A. DAR
IN ETAL
2,406,355
y
Auge 27, 1945-
J. A.- DARWIN ETAL 7~
2,406,355 ~
AUTOMATIC PHONOGRAPH
Filed Dec. 17, 1940
~
;L7\
¿‘9. 20
_
,
¡I
-
' 14 Sheets-Sheet v2
Aug- 275 1946-
' J. AJDARWIN ET AL.
v
2,406,355
AUTOMATI C PHONOGRAPH
Filed Dec. 17, 1940 A
'14 Sheets-Sheet 5
~3
Aug. 27,‘ 1946. ~
J. A. DARWIN ET AL
4
2,406,355
AUTOMATIC PHONOGRAPH
Filed Dec. 17, 1940
2€Z'v
-
.
14 ,Sheetá-Sheet 4
A_ug.27, 11946.
.
A
~ J. A.DARWIN )ET_AL
'
AUTOMATIC
PHONOGRAPH
Filed‘De‘c. 17, 194Ó
1
~
2.406,355
~
14 SheetS-Sheet 5
M%É7% — ~1 ~
Aug.27, i946. A ' '
J'.~A. DARWIN.ÉT AL
' .
~
2,406,355 " _
AUTOMATIC PHONOGRAPH
Filed Dec. 17,1940
~
‘
14 Sheets-Sheet e‘
Au8— .27, 1946’
Y
_
- J.‘ A,DARWIN ETAL
-
AUTOMATIC
PHONOGRAPH
Fíled_Dec. i7, 1940 ~
2,406,355 ~
'
l
'
14 Sheets-Sheei 9
É ,
e _Ww‘m7%
Aug. 27, 1946.
.
‘J. A. DARW|N ETAL
'
AUTOMATIC
, '
PHONOGRAPH
_Filed Dec. 17, 1940
2,405,355
.
'
‘
~
' ' 14 Sheejbs-Sheet 10
207
_
Aug. 27, 1946.
'
~
'
'
J. A. DARWIN ETAL
LAUTOMATIG
PHONOGRAPH_
Fíled‘Dec. 17, 1940~
‘
2,406,355
—
14 Sheets-Shee’c, 12
.Au8— 27, i946.
_. r
J. A.’ DARWIN ETAL
AUTOMATIC PHOÑOGRAPH
Filed Deq. 17, 1940
'
.~
2,406,355
~
14 Sheets—-Sheet 13
Aug. 27,-1946.
J. A. DARW1N ETAL
'
AÚTOMATIC
PHONOGRAPH
.Filed\Dec. 17, 1940 _
~
2,406,355
'
-
4
14 Sheeís-Sheéf; 14
2,405,355
Patenied Aug. 27, 1946
UNITED STATES PATENT OFFICE
AUTOMATIC PHON0 GRAPH
Joseph A. Darwin, East Orange, and Robert
Robertson, Kearny; N. J.; said Robertson as
signor to said Darwin
Application December 17, 194D, Serial No. 370,530
48 Claims. (Cl. 274—10)
1
,
27
7
Figure‘ 6 is a front elevation of the mechanism
of Figure 5.
Figure 7 is a section substantially on line -'!—l
This invention relates to phonographs of the
type designed to automatically handle the records
of a group of records to beplayed.
An object of the i—nvention is to provide means
whereby the new machine, when set for what
‘We shall term automatic operation as distin
of Figure 5. _
Figure 8 is a section substantially on line 8-8
of Figure v5.
’
Figure 8a shows a detail in elevation. ~
guished from automatic —selective operation, will
Figure 9 is a section substantially on line 9——9
of Figure 5.
Figure 10 is a section substantially on line
will play back through the group, both sides of 10
ID—I.0 of Figure 6.
each record, and so on until stopped.
Figure '11 is a section substantially‘ on line
Another object is to provide means whereby in
l l‘——l I of Figure 10.
’
selective operation the machine will play either
Figure 12 is a plan view of record and pick-up.
or both side-s of a selected reoord or of any num
ber of selected records and when the selection or 15 handling'and controlling mechanism, this mech
anism for the most part being concealed in a
selections have been played will cause the ma«
housing in Figure 1.‘
chine to go into automatic operation and con
Figure 13 is a front elevation of the mechanism
tinue until shut off.
of Figure 12.
Another object is‘ to provide means whereby
Figure 13a is a fragmentary elevation, in dif
when the machine is shut off either in automatic 20
ferent relation, of details appearing in Figure 13.
or selective operation it will normally automat
Figure 14 is a section on line l4—-l4‘ of Fig
ically resume a constant starting relation to the
ure 12.
group of records, or‘may be stopped in a differ—
Figure 15 is a section on line |5,—I5 of Fig
ent relation when desired.
Another object is to provide a machine which 25 ure 12.
Figure 16 is a section on line l6—-l? of Fig
Will handle both of the at present standard rec
ure 15.
ord sizes intermixed in any manner, the machine
Figure 17 is a section on line I1—-l’l of Fig
automatically and instantaneously adapting it
ure 12.
self to the size of the selected record.
Another object is to provide means a?ording 30 Figure 18is a fragmentary plan view of details
appearing in Figure 17'.
an accelerated record changing action and, in
Figure 19‘is a section on line IS—I'9 of Fig
particular, to provide means for instantaneously
play both sides of each record of a group of rec
ords through to one end of the group and then
changing from one side of a record to the other
ure 17.
the record group may contain any desired num
ber‘ of records.
With the above and other objects in view, we
ure 13.
Figure 20 is a detached view in plan of an op
without the necessity of returning the record to
35 erating shaftappearing in Figure 12.
storage between the playing of its two sides.
Figure 21 is a section on line 2l—-2l of Fig—
Another object is to provide a machine wherein
shall describe their manner of attainment with ,
reference to a practical and illustrative embodi
ment of the invention as shown in the accom
pa‘nying drawings, in which:
'
Figure ‘22, i»s a section, with parts omitted, on
line 22—22 of Figure 13.
40
’
‘ *
Figure 23 is a detached plan view of a cam shaft
appearing in Figures 12 and’ 173.
Figure24is an elevation of record holding and
driving mechanism also appearin‘g in Figure 1.
Figure 25 is an elevation of pick-up devices
Figure 1 is an is-ometric view of the new appa 45 which appear also in Figure 1. 4
~ ‘
r Figure 26 is a plan view of selecting mecha
ratus.
Figure 2 is an isometric view of a record maga
nism which appears somewhat to the right and
zine which appears also in Figure 1.
at the front in Figure 1.
‘
Figure 27 is a section substantially on line
Figure 3 i—s a section taken transversely of the
magazine at the lower part thereof.
50 21-21 of Figure 26. —'
Figure 28 is a plan view of certain stop mecha
Figure 4 is a section on line 4—4 of Figure 3.
Figure 5 is a plan view of drive gearing and
nism.
Figure 29 is a view ‘like that of Figure 28 shoW—
controls at the left front side of the machine,
ing the parts in different relation, and
these mechanisms being concealed in a housing
Figure 30 is a wiring diagram.
55
in Figure 1.
‘
2,406,355
3
4
Referring to Figure 1 of the drawings, reference
as to depress levers 55 and Él, the magazine can
numeral 30 designates a base plate on the rear
Reference numeral 32 designates a housing for
the main drive gearing and reference numeral 33
be opened or parted in the manner ‘of a book, of
which the plates are leaves, at any record so that
the selected record is exposed and accessible to
the playing 'mechanism, as shown in Figure 1.
Levers 55 and 51 are equipped with adjustable
designates a housing for the record playing
means, this housing being preferably made in‘
downward movement and; consequently, the ex
portion of which is supported a record magazine
generally designated by the reference numeral 3_l.
stop screws as at 55', Figure .2, which limit their
front and rear portions and slotted for assembly
over the various shafts as indicated. In the em—
bodiment. of the inventïon here disclosed, the rec
ord magazine is stationary and the record playa
tent of Opening of the magazine. When the book
~ or magazine is opened the selected record is main
tained in upright position by means which Will be
hereinafter described.
—’
v
Thémagazine can be loaded or unloaded either
ing means are mounted for movement along the‘
magazine. While this is.agpreferred_ arrange-J
from‘ the front¡or from the rear, although front
ment, some aspects of the invention are not neces
loading will ordinarily be preferred.
sarily limited th_ereto but are equallyapplicable
~
Mdin drive mechanz‘sm
in a situation wherein, for example, the maga
Suitably journaled on main brackets 60 and sl,
zine is the traveling element. No attempt has“
Figures 1 and 5,- is a shaft 762 parallel to the bars
been made to show an enclosing cabinet, which,
20 35 and 36, the shaft 82rhaving a squared portion
7 of course, may be of any suitable design.
between the brackets; The left hand end of shaft
\
Record magazine’
62 is carried out through a bearing 64—which is
supported from a horizontal part —l 02 projecting to
The record magazine, as here shown, includes
any desired number of generally L-shaped plates
the left of bracket 60, Figure 5. The extremity
3'4 whose lower edges rest on parallel bars 35 and ‘ -
of shaft 62 may be squared as shown so that a
crank can be applied for manual adjustment.
36 supported in horizontal relation onthe base
plate Si] by means of pedestals as at 35’ and 36',
Just outside of bracket 60, shaft 62 has ?xed
‘Figure 2, the short portions or Wings 37 of the L
thereon a worm wheel 66 which is engaged by
shaped plates being at the bottom and projecting~
a worm 61, Figure 5, ?xed on suitably journaled
horizontal shaft 68, Figure 6, the rear end of the
latter being ?exibly coupled through a shaft 69
with the armature shaft of a spring supported
forwardly. The bottom edges of the plates are ;»
provided with recesses 38 and 39. which receive‘
'parallel horizontal rods 40 and 41 whose ends are
supported in pedestals as at 42 ‘and 43, Figure 2.
The lower ends of the recesses are closed by short
cylindrical pieces 44 which are longitudinally
‘kerfed and clipped onto the plate margins.
Spacer means for the plates are here provided in
the form of blocks 45 and 46 kerfed and elipped
to the top and lower front margins of ‘the plates.
Also, the opposed faces are preferably,proïlided
With pads of soft material as indicated by the ref
motor ‘ID, Figure l.
shaft 62 is continuously
driven from the motor at a predetermined speed
throughout the operation of the machine.
All
drives are conveniently taken from this shaft.
Fixed on shaft 62 outwardly of the worm wheel
66 is a worm ‘li which engages a worm wheel 12
?xed on one end of a suitably journaled horizon
tal shaft '13, the other or forward end of the shaft
73 having ?xed thereon a worm 14 which engages
a worm wheel 15 running free on the end of a
shaft 16 journaled in the brackets 60 and Si in
parallel relation to shaft 62 and in the same hori
erence numeral 41, Figure 2.
Records 48 and 49 are supported in the com
par‘tments de?ned by the plates on longitudinal
rubber insets 50 and 5| of bars 35 and 36. Rec- ‘
ords 48 are assumed to be of ten inch‘size and
records 49 of twelve inch size, and the relation of ‘
parts is such that a subs’tantial segment of either
zontal plane as the latter. Between the brackets
shaft 16 has a keyway 16'.
-
Worm wheel 15 has an integral hub ‘H pro
vided with a plurality of axially extending
‘ size of record projects into the angie of the L’s,‘ ~ notch‘es 78. Fixed on shaft 16 between the hub
when the records are in the magazine, being thus 50 TI and bracket se is a disc 79 which has eccen
¡accessible for loading and unloading. The nor
trically pivoted thereon a dog 80 on a pin 8|,
mal condition of the magazine is that shown in ~
Figure 8, the dog having a nose 82 engageable
Figure 2 wherein the plates are in vertical posi
tion, being so maintained by two bell crankfle
; vers of which one is shown at 52; The plate
in any one of the notches 18 so as to cause the
disc and therewith shaft 16 to be driven from
the worm wheel 15. The dog is pulled to clutch'
ing position by a tension spring 83. ~ The tail
>84 of the dog has ?xedthereon by’ one end a ?at
spring 85, the free part of the spring being nor
mally spaced somewhat from the underlying sur
‘ spacihg is such that the records are maintained
1 in vertical uniformly spaced relation by the ’pad’s
‘ 41.
The latter are arranged about the ‘re‘cord
; centers as seen in Fig. 2, and act to prevent warp’- ,
ing of the clamped records. The lever 52 is ‘piv
60 face of the tail.
r
Slidable in blocks 85 and 87 ?xed to the out
side of bracket Si] are plungers 88 and 89 dia
metrically opposite each other and parallel with
oted on a pedestal 53 and has an upwardly ex
‘ tendirig arm provided at its extremity with rollers
~ 54 which engage the end plate. A generally hori
zontally extending arm of lever 52 is engagediby ;.
shaft ‘¡6, the paths of the plungers being.just
outside the periphery of disc 79. Levers 99 and
y9l pivoted on a horizontalpin 92 supported on
; an arm 55 ?xed on a rock shaft 56 suitably jour
‘ naled on the base plate in parallel relation to the
‘ bars 35 ‘and 36. Ari arm 51, exactly like arm'55
’ the inner face of bracket 68 have their upper
~ and ?xed to shaft 55, similarly engages the‘ other
ends pivoted to the plungers 88 and 89 and their
Reference numerals’Ï 58
and 53 designate forwardly eXtending arms ?xed
lower ends to the core 93 of a solenoíd 94 mounted
to the rock shaft. With these arms in the posi
tionshown in Figure 2, the bell crank Ievers main
to swing the arms 90 and 9| in a counter-clock
‘ bell crank lever like 52.
tain the plates 34 in verticalposition with the
‘ spacers 45’and 46 in contact.
on the base plate 39. A'tension spring 95 tends
wise direction, Figure 6, whereby to maintain
the plungers 88 and 89 in projected position
If the shaft 55 is
‘wherein their ends are in the path of the tail
I rocked under the control of arms 58 and 59 so
175 of dog 89. In Figure 8 the tailhas struck plunger
2,406,355
5
6
A89 and the dog has been swung to withdraw nose
82. When the tail 84 approach‘es either one of
the plungers the flat spring 85» is ?rst of all
pressed» against the tail and withdrawal of the
nose 82 follows, the withdrawal movement being
somewhat augmented as spring 85 returns to
I:IML ~ The link 1.243, and therew'rth plunger l:2:1:—,
is pulled‘ forwardly by a, tension ‘spring l:2ï8’, Fig:—
ure 5. After nose li08 has been disengaged, the
forward end. of plunger ['21, entering notch l:l.‘l‘,
exerts a, cam action on the notch wall l i2: so as
to rotate. disc ¡T05 through a further smallangl‘e,
the arm H:ll*being thus further depressed so that
nose I:88 is slightly further retracted‘ and any
its spaced relation». Any possibility of clicking
of the clutch when inoperative is thus prevented.
In operation, when solenoid 94 is energized the
plungers are retracted, thus releasing the dog so
possibility of clicking thus prevented‘. ~When
plunger;lï2ïs is. retracted and the: dog 1:91 conse—
quentlyl engaged with the constahtl5’z rotating colt-‘
lar N13‘, shaftï H6: will be rotated through:one
complete revolution and: willthen be arrested‘ by
the plunger 12'! vagain engaging arm H0 and
tha-t it can engage in a groove 18- as one comes
around. The retraetion of the plungers is only
momentary and in order to assure release of the
dog a plate 95 is’ pivoted on pin 81 between the
y
'
dog and the disc and is pulled in the same direc 15 entering notch [ll l‘, as above described‘.
To.~ ínslire against: immediate return of: the
tion as the dog by a tension spring 81‘. The plate
961 has aqtail portion 98 which springs in front
of the plunger upon retraction of the latter and
prevents the plunger from getting in front of the
tail 84. The leading end of plate 96 abuts hub 20
‘IT to limit its swinging movement. Plate 96 is,
of course, returned against spring 9'!’ when the
tail’ 84 again approaches a projected plunger.
It. will be evident that due to the provision of
the two plungers at diametrically opposite points
a. half revolution will be imparteo’; to shaf.t 16
each time the clutch is engaged.
Fixed: on shaft 62 outwardly of Worm ‘H is a
worm wheel 99 which engages a warm Hi9‘ on a
shaft USM journaled in a bearing block secured
beneath the horizontal frame member [(32, the
forward end of this shaft having ?xed thereon a
collar líl3, Figure 7, provided with an axially
extending,peripheral notch M34. A disc i‘il5' free
plungér into notch ll<l' after its retraction, there
is provided a.bell crank lever ¡29 pivotedïíat~ I3il
on a vertical axis on top of‘ frame portionïzloz‘.
Lever l29 is pulled in a counter¡clockwise .disrecw
tion.by a tension spring lí3l. One. arm’ Iá32/ of
the lever normaily bears against the down'—turned
portion of’ link [24, as shown in Figure 5, ‘this
arm being provided with a, shoulder l33 which
' swings in front of the said: downwardly project
ing portion when the link is. moved rearwardly,
thereby holding the link and‘ the plunger against
forward movement. This movement of‘. the bell
crank lever brings its tail portion i34 i‘ntothe
path of the head of screw [S08 at the rear ot disc
I'I15 and when the disc has been driven su?i’ci’ent
ly far so that notch lll‘. is well clear of the
forward end of the.plunger, the screw head strizkes
tail. l:3::31 and knocks o?= the latch from link ¡E24
so that the end of the plunger is now horno
against the rear margin. of the disc by the-action
of spring l2'8í, ready to strike the arm H0 of pawl
IO‘! with the de-clutchïng effect heretofore de—
on the forward extremity of, shaft Mi! has ec
centrically pivote'd th’ereon, on a screw I,EJ5, a
dog H3‘! in the form of a bell crank lever, of
which one arm is provided with a nose IGB-adapt
ed to be engaged in notch |04- due to the action
Pivoted to the upperporti’on of arm I23'through
of a tension spring l€99. The other arm H0 of 40
a spacing collar [35‘: is a drag link 135 whose
the bell crank lever normally extends across a
forward end extends over shaft 62 between
peripheral notch lll of disc I.íl5., the leading
bracket. 61): and worm wheel ‘66, Figures 5 and 9:,
edge I.l2 of the notch lll. being inclined or
scribed.
?ared outwardly and rearwardly.
Fixed on the forward side of disc lil5 is a. bevel
pinion l 13 which is in constant engagement with
‘
r
,
7
the forward extremity of the link. being guided
in a vertical slot in a. bracket l31‘. At the for
ward end of the link its.'b‘ottom p-ortionis cut '
away to provide a forwardly faced shoulder I¿38.,
b.evelpinions IM. and H5 freely rotatable On a
Figure 9,—which is engageable by an axially ex—
¡’shaft‘ l 161 parallel to shafts 5.2 and 16, shaft H6
tending pin ¡3.9, Figure 5,‘ on Worm whe’el66;
being joumaled in bearings on brackets (iii and 6|
and at its lefthand: end in a, pedestal H1 rising 50 Pivoted on the outside of bracket 6G: and in
wardly of; the drag link l:3? is alever Mil, Figures
from plate 65. Splined on shaft H6 between
6, 8 and8a: in generall‘y- the form ¿of an- in
pinions IM and. I |5 is a clutch Collar Il8— having
verted Y providing an upstanding arm! Mi, and
lugs cooperable with;lugs on the two pinions so
angularly related arms l.4ï2 and‘l43
i'e-'
that by shifting the collar, shaft INS can be
spectively ,extend rearwardly? and forwardly* of
driven in either direction and at the same speed
the machine, Arm M3 has ?xed ther‘“eto flat
as shaft Jill. Collar l I8. has a peripheral groove
spring l44, which underlies the drag link [36.‘
engag’ed by a forked. shipper ll.9 ?xed on a rod
The drag link has ?xed on its inner side a lug
l2l'l which is slidably supported in a, bearing at
145 which is adapted to strike arm Mi when
one end of a ?xed arm l2l and in notches in the
top edges of brackets 6€! and (il, Figures 1 and 5. 60 the link moves rearwardly. Arm I40 bears fric
tionally against a ?at spring ¡40' on bracket
Journaled in a bearing adjacent the front of
60. Disc 19 has a hub portion adjacent bracket
bracket 60 is a shaft 122 in parallel relation to
80 in which is ?xed a radially extending pin MS;
shaft 62. Fixed on the outer end of shaft I22
Figure 6, which is adapted to strike portion 142
. is an arm ¡23 to whose upper extremity is pivoted
a link l2:i whose rear portion is laterally guided 65 of. iever I 40 to return the lever.
The drag link carries a pawl Mi having a nose
in a bracket [25~ of inverted U-shape on the top
portion, which in the relation of parts shown
of frame member ID2. The rear portion of link
in Figure 8, is engaged ina peripheratrecess
124 is down-turned and is pivoted by means of
¡48: of disc 19. The pawl can swing onlyin a
aascrew i25, Figure 5, to the rear end of a plunger
I'2ï slidable in parallelism with shaft HM in a
counter-clockwise direction from its illustrated
position.
'
block ?xed beneath member ¡02. The plungeïf
Mounted on a block of insulation 1!49, Figures
L2’! is disposed so that its forward end can ride
Sand 9,- on the frame portion I'02 is a switch
on the rear margin of disc I.ü5 so as to. be struck
l50 which has upper and lower spring arms l5l;
by the extremity of arm llü- to release dog l<0,‘1;
whereb.y to withdrawthe nose, l.ll8;fromthe notch
and l52 nórma1lyspaced apart.~ ~ Underlyirrg. the
2,406,355
8
described, plungers 88 and 89 are again retracted
arm l52 is a ?uther spring arm 153 whose free"
end; I54 is inclined forwardly and downwardly, 7
and disc 79 is returned to the position of Figure 8.
this end lying in the path of reciprocation of a
During r this second half-revolution, pin 146
strikes arm M2 of lever140 so thatthe latter is
pin [55, on link ¡24.
When the link,moves rear
wardly, pin 155 strikes» the top of portion [54
swung in a—clockwise direction thereby permit—
ting the drag link to drop. However, the ‘nose
of pawl |4‘I rides on a full perip—heralportion of
engagesrunder portion l54 thereby bending arm
disc 19 and thelink is maintained in such an
elevated position that its shoulder I38 is out; of
153 upwardly so that arm l52 is engaged ,with
arm l5l to close the switch. This cannot.occur, 10 thepath of travel of pin [29. When the 'second
half-revolution is completed the nose of the pawl
however, until plunger [21 moves into notch lll‘
drops into recess M8 and the described cycle gan
to open the clutch. In Figure 30, switch 150
be repeated;
.
,
~
is’shown disposed in a conductor I,56 which leads
so that the latter is moved downwardly. How
ever, when,the link moves forwardly the pin l55
to a contact ¡56a of a switch 211, this,contact
»
being in connection with a switchrcontact I56b 15
when a bridge piece:2l8 ‘of the switchzis in the
full line position ofFigure 30.’ Contact I56b is
in connection with one end of the windingof
solenoid 9,4, the other end of the winding being
in connection with a conductor l51.
~7 ~
’
Magazine control
Arms 753 and. 59 are provided. ‘at their forward
7 extremities with circu’mferentially ,grooved rollers /
160 and l6l, Figures 5,and 6, these 'rollers being '
disposed in the planes ofcam ?ngers l62 and [63 7
20 ?xed on shaft 16. 'Ihese ?ngers, as seen»by
reference to cam ?nger [52, Figure ,9, have
With the parts in initialposition, both the one
straight trailing edgés fairly close to the periphery
¡revolution clutch and the one-half revolution
of shaft '15, the leading.ends of the ?ngers being ,
clutch are open ‘and the nose of pawl M1 is in
tapered. In the restposition of the ma€hinethe
link >is in the dotted line position. shown in 25 ?ngers extend substantially straight downwardly,
’ recess 148 of disc 19.; This means that the drag
Figure 9, so that the shoulder 138 is in the circle '
engage shoulder I38 to pull the drag link rear
wardly. As the drag linkpthus moves, its lug
levers as at 52 are free to swing away from the
145 engages arm Ml, of‘lever Mi] so that the
lever is swung to bring spring 144 into pressure
ends of the magazine and the latter may now
engagement with the underside of the drag link,‘
the lever being retained in this relation by its
frictional engagement with the spring M0’, this
being su?icieht to ‘hold the,lever against the re-‘
action of spring l44. As pin 139 now leaves
shoulder ¡38, the drag. link is swung upwardly, 40
due to the action of spring M4, to bring the
ter part of the second revolution of the half
revolution clutch which controls the drive of shaft
16, the cam ?ngers I62 ¡and I63 engage rollers
[60 and [6| and arms 58 and 59 are returned to
r 1 . the motor 10 is now started, worm wheel 66 will
‘
as shown in Figure 9 so that the arms 58 and 59
are depressed and the magazine consequently
closed. Shortly after drive of shaft 76 starts, the
ends of the ?ngers pass away from the rollers and
arms 58 and 59 are snapped upwardly by tension
sprin’gs as at l64, Figure 9, so that the bell crank
of movementof pin l39 of worm wheel ‘66. If
7 be driven in a counter-clockwise direction as seen
from the left, Figures 5 and 6, and pin 66 will
‘ 7 shoulder I38 out of the path of pin ¡39.
—Also,
at the beginning of the rearward movement of
opengto expose a’ selected record. During the lat
the position of Figure 9, closing the magazine.
Record. selectz‘ng and playing mechanz’sm
All, of the record playing mechanism, as here
the‘drag link, pawl l4'l swings out of notch ¡48.
shown, is mounted on a carriage generally desig
Link l24 has, of course, moved with the drag
link and pin 155 has passed over portion I54 of
arm l53, this being without any effect, as here
tofore explained. Plunger 121 is withdrawn from
notch ,_l H and disc ID5 and pinion el l3 are im-~
mechanism is in the housing 33 shown in Figure 1.
nated ¡by the reference numeral [65, Figures 12,
13 and 14, and-except for extended parts, the
The carriage comprises a frame consisting of
an upwarclly open channel member having paral
lel side walls 156 and l6'l extending vertically
mediately driven. If clutch,collar H8 isin the 50 upwardly from a bottom wall l 58. The side walls
position shown in Figure 5," the shaft IIS will
are piercedatopp‘osite points and rotatably re
be driven —in a ,count’er-clockwise direction as~
ceive shafts 62,¿76 and vH 6, .the.latter having
seen from the left, Figures 5 and 6, through one
threads engaged in a nut I}69,?xed on the outside
rotation., If the collar is in enga’gement' with
the pinion H5, shaft ll6 will be driven,through 55 of wall l6'l. The side walls have securedthereto
the depending le’gs of an inverted U-*member have
one rotation in a clockwise direction.’ '
'
7
ing a horizontal top portíon I'I0 and the 1egs of
_As notch lll of disc ¡05 comes in front of
this member are pierced at opposite points and
plunger 121, return oflink 124 is permitted, and~
slidably receive rod [20.
V
,
as pin ¡55. now passes beneath portion l54of
Splined on shaft 16 substantially midway be
arm l53, switch [50 is closed, thereby energizing
solenoid 54 so that plungers 38 and 89 are re
60 tween the side_walls is a main cam I'll which has ~
80 so that disc 19 is driven a half revolution in a
an end surface l12 provided with a slight de
pression rl'l3, the end surface being followedby a
relation as plate 95' and the tail 84 have moved
from*in front of plunger 89. It will beunder
position of the cam is~ shown in Figure 14. ,
— As shown in the last mentioned ?gure, a roller
tracted. Plunger 89, Figure 8, thus releases dog
curved side surface I'M falling to a depression 115
counter-clockwise direction, Figure 8, that is,
until the tail of dog 80 strikes plungér 88.‘ The‘ 65 from which rises a terminal curved_surface H6.
The other end and the otherside of the,cam have
plungers have immediately returned to projected
the same contour as just described. Thestarting
Ï
stood that solenoid 94 is only momentar‘ily ener
I'll carried at the extremity* of an extension l'l8
gized, ‘and that the plunger return is eiïected by 70 is engaged in the depression [13, extension 118
spring 95.
v
,
being integral with an arm l19 which is svvingable
The playing of each record, as will hereinafter
appear, involve's a full rotation of disc ‘l9jand
ona sleeve [80 surrounding shaft ll6 between
side walls I66 and 161, Figure 17.? The end of
shaft'l6. Due to re-energization of solen0id 94
sleeve l80 adjacent wall [667 is ?xed ina collar
during the cycle by ,méans’whïch will be later 75 l8l which in turn is screwed to thé’síde ‘Wall. » A ’
2,406,355
'9‘
16
brace l82 ?xed to arm H9-hasa bearing on the '
spring strip material is secured to the lower or
~
end of sleeve —l—80 adjacent wall 16:1. The arm
rear margins thereof and constitutes a wedge
and brace are held against displacement to the
having spring wings.
left by stop :collars l83 and [84, displacement to
the right being prevented by the engagementof
the brace with wall :i 51 ~ At the left hand side
of its free end, arm I'l9¿, Figure 24, supports -a
rotary disc or turntable ¡’351 on ahorizontal shaft
perpendicular to the pl—ane of swingof the arm,
the disc having the usualiacing of_soft mate
rial. In ?xed connection with the disc shafton
the other side of arm H9, is -a grooved pu—lley l86
'
Fixed on the collar of sleeve 2115 is a radially
Aprojecting ?nger 2I6 to the end of which is pivn
oted one end of a link 72H, Figure l4. RearWardly the top of link 25‘! is recessed to provide
a forwardly faced square —shoulder 2i3 and a re;
_
duced tail portíon 2l9. Rearwandly of ¡shoulder
2|8 a block 22h is swivelled on link 21? and is pro?
Vided» with a. boreslidably receiving one end of
a link 22l whose other—ehd_ is pivot_ed at 22-2 —on
a bracket 223 secured on wall Hi8. At its inter
connected by a belt HJ’!v witha grooved pulley»l88
formed at onewend of abarrel which at its-other
mediate portion link 222i i has an upwardly and
end has a sprocket »l89, the barrel being rotata-ble 15 forwardlyinclined top edge which terminates in
on sleeve [80.
»
a ?at edge 224 beyond which í's a recess 2-25.
‘
Pivoted to arm H9 at the left side —thereof
through top and wbottom plates l‘90 and l<90’,
Links 2|‘! and 225 constitute a toggle tending to ,
be collapsed upwardly by a tension spring 2:25.
Figures 18 and 19, is an arm l9l which has a
In the relation of parts shown in Figure '14, a
forked' end clearing sleeve-180.. ‘A compression 20 rol1er»221 on extension il8 and coaxial with roller
spring 192 urges the arms apart._theswinging
I'll’, is in front o—fthe shoulder 25h and due:to
range of arm ISI away from arm l-‘l9 being limited
its engagement —thereby and bythe tail 2.!s};jpre
by a stop 193 in the end of a plate I«SA ?xed to the
vents telescoping and rupward' Collapse" .of- the
top of arm I9l and resting on topo-f arm H9 to
t0gg‘1e.‘ Cam lll is¿provided with a pair of ax
take the weight of arm 191 . At the right hand ;7 ially extendïn-g pins 228 and 229 adapted togen—,
side of its free end,arin I3I, Figures_l and 24,
gage edgaporticn 224i of link -22-l upon —rotation
rotatably supports a disc or turntable 195 which
of the cam. ~ On the hub of the cam is a further
is exactly-like disc l85 except that it is equipped ~
pin: 2353 which projects radially and is l—íkewise
with a tapered centering pin [96. rl‘he centering
adapted to strike edge 2.—24‘0f link 2Él.' Pin‘228
pin is spring-projected and is readily gdepressible»,
in the rest relation of the parts is en portion 224
the mounting being, for example, like that shown
of link 22: just to the rear of the recess 225. —
in the patentto «Schwartz, 1,963,214 of June 19,
If the half revolution clutch through which
1934:. The discs are designedto clamp{ a record,
shaft 15-is driven is now thrown in, cam HH, Fig—
centered by pin [95, between them, and when in
ure 14, will be driven in clock-wire direction, there
clamping relation are co-axial.
being a slot in the forward portion of the bottom
An extension [9’! is ?xed to the lower end of
wall I68 to pass the cam. ¡As the cam starts to
arm IS! and is apertured te freely pass sleeve
rotate the depression H3 moves away from roller
l8ll. At its eXt-remity the eXtensienhas threade‘d
I'll, butwhile the roller is still "on the end edge
therethrough a screw 588, Figures 13 and 14..
H2, pin 228 bearing on edge Dortion 224., flat
whose end is adapted to bear against the left 40 tens the toggle to such an extent that shou—lder
hand face of
upright plate 135 pivoted on the
2 Ii) passes below roller 223 and theli—nks 2|?!‘ and
bottom wall M38 ona horizontal axis in ¿a plane
<22l are abruptly telescoped by spring 226 so that
perpendicularto the axis of —shaft l»5,:;Referring
?nger 2m is rapidlyswung in a clcckwise direc
also to Figure 22 plate 599 has threacied there:
through a screw EGO whose end constitutes a
f—ollower for the contours of a face cam 231 which
is ?xed in slightly spaced relation to the cam ¡‘H
at the left thereof.
The face of cam 2€ll' com—
prises raised and lowered portions «26,2 and 233
separated by a rise 2:‘34' and a drop 255 which are
suitably inclined. The two cams are positioned
by spacer sleeves 76a and ‘¡Eb on shaft 16 be
tween the cams and walls E66 and ¡51, sleeve 'F5b
being splined on the shaft.
‘
A ?anged collar 295 is rctatable on a reduced
tion*bringing the spring wedge 245 betweenthe
top portions of a pair of wings 3'57 relative to
which the carriage is properly positioned, the
?arecl forward extremity ~of the ?nger being
forced apart by the record which is between the
wings and gripping the same to an»extent de
.pencling on the diameterp of the record. It will
be —understoodthat whenrthe levers as‘ at 52 are
now released‘ in the manner hereinbefore de:
scrihed, the magazine will part or open away from
the ?nger in both directions due to the expand
ing action of the wedge, the record being maine
portion of the hub 2B’! of a sprocket 2GB, Figure
tained in vertical position by the. ?nger as indi
1‘5, the hub being rotatable on sha—ft 52 between
cated in dottecl lines in Figure 1. With the toggle ~
?xed planes and having ?xed‘ to its extremity
in telescoped condition the extremity of tail 219
the hub of a bevel pinion 289. Secured to the
of link 2 |.I 1 is below shaft 15.
7
?angeof collar 255 is a record positioni—ng ?nger 60
;As the cam continues to rotate, portion !ï4
2l9 consisting of laminations of spring strip
thereof comes against roller I'll, permitting arms
metal, the ?nger being held ina constant plane
l'l9 and l 9| to swing downwardly by gravity from
by the shoulder of hub 2E3i' and by pinion 2i3‘9 and
their normally upwardly and-rearwardly extend
normally proj‘ecting upwardly as indicated in
ing position, Figure 14, into straddling relation
Figure 14. The ?nger 2!i3 comprises two spring
With the record. As they —lotwerï, the rise 2ü4 of
strips 2H and 2l2 which extend in contact with
cam 255 will engage follower 268 of plate —l99
each other and are reinforced at their base por
and the plate will be swung to the left, Figure
tions by members 253 and 2!4, the split between
13, bearing against screw l—9*3- on extension 197
strips 25 l and 2l2 being in a plane paral—lel to the
se that —arm I'9I is s‘wung toward arm H9 against
face of disc I'85 and spaced therefrom a distance
v the action of spring ¡92. The discs |875 and 135
equal to half‘ the th-icknesg of a record. _The free
are su?iciently app-reached .—so that the center-~
ends of strips 2€ l and 2_t2 are ou'twarclly ?ared
ing pin isr.depressed and rides along the reoor'd
as are also the adjacent portions of their lon
surface adiacent the -record opening until it
gitud—ina1 margins. At an intem—rediate portion
comes to‘ the lat—ter and snaps into the same.
of strips '2Il and <2i2 a, vv-s-haped‘ member 2»l5.of
Cam portion H'Bnow engages roller”? and ele
’ 2,406,355
‘ii
vates the arm and the record, still in vertical
position, to the playing position shown in Fig-v
~
12
’ carriage moves to‘fbríng“the playing mechanism
’ into proper relationtó the last record space at
the right of the magazine, Spring 266 is abutted
by the right hand leg of the inverted U—meinber,
this being'permitted by‘a’n 'enlarged opening in
the right hand wallof casing 33. As the car-‘
riage reaches its extreme right hand playing po’
ure 1 and cam I'll is at this time exactly. re-‘
versed from the position shown in Figure 14. As.
ï , the record comes into playing position, arm l9l
engages a roller *l9l’ ona rigid bracket extend
ing _rearwardly from carriage portion .Il'i}, forc
sition the spring convolutions come together and
inggthe arm toward arm H9 so that the record
suf?cient positive movement to the right is given
is tightly gripped between-discs 185 and«l9.5. 7~ ‘
In the case of al twelve ihch'record the record io to rod l20 so that the engagement of clutch meme
ber'll8 with pinion H4 is loosened and the ex
opening‘will be an inch above the position of
panding action of the’sp?ng then moves the rod
the opening in the case of a ten inch recordv The
and therewith member H8 so that the latterï is
point of the centering pin travels in an aro which
brought into operative relation relative to pinion
'inters’ects the position of either opening”and con
séquently either record size ‘Will be engaged. The 15 l l5, the one revolution clutch opening at the‘same
time. When the playing cycle has now been com;
pin may engage the opening of a twelve inch
pleted the immediate engagement‘ of’~ the lugs of
record onthe way down so that the arms will be
pinion ll5 with those of member H8; as the one ’
held against further .gravitation, or the pin may
revolution clutch is closed, Will cause shaft"ll6,—to
possibly slide out of the opening permitting the
arme to lower to the ten inch-position, the pin 20 be reversely driven and the carriage thereby to be,
moved one Space to the left.
'
e?ectively entering the opening on the way back.
The left hand porti0n of rod ¡20 isfo’rm‘ed with
After the toggle has been released by pin 228,
a kéyway l20' in which isrengaged the end oía
roller 221 holds it ?attened due to contact with
~ the top of link-21’! to’the right ofshoulder 2I8." screw 261 which is threaded. in a block 258 slid
‘ * As extension H8 begins to swing‘ upwardly, pin 25 able on rod ¡20. The block"has’a ?at top surface r
229 comes into engagement ¡with edge portion* 224
on which is swingable ‘a stop plate 269 pivoted on
of link 221 so that the toggle is still maintained
screw 261. The plate is normally held in the posi
tion shown in’lïb‘igure 5 by a tension spring 2'l0
relatively ?attened, ‘This condition is'substan
anchored at its ends to the block and plate respec
tially maintained until pin 230 comes against the
extremity of tail portion 2|9 of link 211 and the 30 tively and holding the plate against a stop 211 on
the block, the plate prójecting to the right of the
toggle is still maintained sui?ciently ?atte'nedjso
block a distance equal to one step of the ‘carriage
that as roller 221 swings rearwardly during the
I65. A spiral spring ‘212 surrounds rod 120 be
elevation of the record supporting arms, it will not
tween the left hand end of block 268 and a collar
engage shoulder 2l8 and consequently the record
positioning ?nger 2I0 will remain in its lowe’1‘ed 35 213 Which is ?xed on the rod. With the spring
fully expanded, the lower extremity of screw 261
position. When the record has been played, shaft
is against an end wall of the keyway I20'. As
16 undergoes another half revolution during
the carriage approaches its left hand limit posi
which the record arm is permitted to swing rear
tion a ?nger 214 ?xed on the left hand leg of the
wardly to replace the record which will be engaged
by the p0sítioníng ?nger and retained in upright 40 ihverted U}-membe’r above rod l2ü engag'es the
end of plate 269, spring 212 is compre’ssed and as '
position as arrn l9l is swung away from arm 119
the left hand limit position of the carriage‘is
reached thespring expands to shift member H8
l92 as now’ permitted by Cam 20l whose lowered '
into engagement with pinion H4. Consequently,
portion 203 is now in front of follówer 200. ï Dure
ing this time, the extremity of tail 2I9 of link’ ‘ when the extreme left hand record has been
played drive through the one revolution clutch
2|’! has been restrained from e’x’t’reme upward
to release the record due to the action of spring
will cause the carriage to be moved one Space to
movement through contact with the hub of cam
the right.
I'll andas the record arms are now Swung up—
wardly, roller 221 engages shoulder 2l8 thereby
pr0jecting link 211 forwardly sd'that the posi
It will thus be seen that as long as the motor
50 is running the carriage will be stepped back and
tioning—?nger 2lll»is returned to its generally up
right position and all the parts are again as in
forth in front of the magazine and the records
Figure
group.
14.
y
will be successively played from endto end of the
’"
The engagement of roller l'l1 in the cam re
cesses as at 113 serves to hold shaft 16 against
65
‘accidental rotation when the half revolution
clutch is disengaged.
'
v
Referring to Figure 30, reference numerals 215
,
and 215 designate leads from a suitable electrical
source, lead 215 running to one side of motor 10
and lead 216 running to a contact 2Tla of switch
211. In the full line position of the bridge piece
218, contact 2'I'la is in connection with a contact
riage properly positioned relative to the maga
zine and the machine in operation, the magazine 60 21117 of the switch and this latter Contact is in
It has been above described now, with the car
will be opened and a record will be elevated,
connection through a conductor ‘219, in which is ’
played and returned. Assuming clutch member
H8 to be.engaged with pinion ll4, at the end of
the playingcycle the drag 1ink 135 will be ‘again
interposed a normally closed manually_operabler
threads of shaft H6 is such that its' consequent
rotation will drive the carriage 165 one record
space and the playing cycle Will‘ be repeated, the
other hand, as will be_understood. When the
bridge piece is moved to the dotted line position
of Figure 30, the connection between wires [56‘
and l56c_is broken and a connection is estab
switch 280, with the other side of the motor. "
The bridge piece 218 in the full line ‘position
pulled forward so that the one revolution clutch 65 establishes entirely independent connections be
tween contacts 2'Ha and 2'l'lb, on the one h‘and,
is closed and pinion IM and member H8 are
and between contacts [55a and l56b, on the
driven through one revolution. The pitch of. the
carriage being automatically driven one step to —
, the right at the completion of ea0hg‘cycle.f Fixed
, on rod I20-adjacent its right hand end is a stop
collar 265, Figure l,andto the left of this collar a
spiral spring 265’ freely‘surrounds the rod, AS the 75
lished betweehcontact 211d and a, further con
tact 2'l'lc of the Switch.’ A conductor 281 in‘con
nectionwith contact 2'l1c under these cir'cum
stances establishes a connection to the said other
Документ
Категория
Без категории
Просмотров
0
Размер файла
4 093 Кб
Теги
1/--страниц
Пожаловаться на содержимое документа