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Патент USA US3071390

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‘Jan. 1, 1963
R. Dl SABATINO
3,071,380
SPINDLE ADAPTER
Filed Feb. 29, 1952
2 Sheets-Sheet 1
INVENTOR
m
ATTORNEY
Jan. 1, 1963
R. D] SABATINO
3,071,380.
SPINDLE ADAPTER
Filed Feb. 29, 1952
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2 Sheets-Sheet 2
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2 ~68
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INVE_NTOR
Kola/m7 ?lfabafim
BY
-m%7
ATTORNEY 2
United States Patent @??ce
31,071,380
Patented Jan. 1, 1963
1
2
3,071,389
hole records, is that which employs a standard small size
EPINDLE ADAPTER
turntable spindle housing an ejector mechanism compris
Corporation of America, a corporation of Delaware
ing a movable record push-elf ?nger. Such a mechanism
is the subject of US. Patent 2,523,045 to W. Miller et a1.
Filed Feb. 29, 1952, Ser. No. 274,151
20 Claims. (Cl. 274~ltl)
periodically to effect sequential selection of successive
Roland Di Sabatino, Oaklyn, Ni, assignor to Radio
As disclosed in such patent, the push-off ?nger is operable
lowermost records of a stack of records supported on the
This invention relates to automatic record changers for
spindle above the turntable. ,
phonographs and the like, and more particularly to auto
In accordance with one form of this invention, there
matic record changers of the drop type, which provide a 10 is provided, for automatic photograph record changers
central turn table spindle for holding and releasing rec
of the type employing a standard small size turntable
ords to be played. In such record changers, records
spindle having a record push-01f ?nger, an adapter to be
drop from a stack on the spindle to the turntable suc
placed over said spindle comprising an auxiliary spindle
cessively, under control of record selecting and releasing
of the diameter of the larger center hole records having
means carried by the spindle.
15 a central, axially extending guide channel or socket for
Developments in the record changer art have resulted
receiving the turntable spindle, such auxiliary spindle
in the use not only of di?erent playing speeds, but also
being- of the internal diameter of the larger center hole
of different spindle openings for present day records.
records. Record changing apparatus housed in the auxi
Thus multi-speed record changers designed to play 78
liary spindle comprises a pair of oppositely disposed rec
rpm. and 331/3 r.p.m. records have standard small diam 20 ord supporting shoulders or shelves and a pair of op
eter spindles. , As presently known, most multi-speed rec
poitely disposed record separating blades or record sep
ord changers are provided with the standard small size
arators. Mechanically linked slide members intercouple
turntable spindle, and, consequently only 78 and 331/:
the shelves and separators, and spring biasing means
normally biases the shelves outwardly, with the sep
type 45 rpm. records must each ‘be ?tted with an adapter 25 arators withdrawn inside the auxiliary spindle. Period
wafer having the small spindle opening in order to be
ically, as the push-oh? ?nger of the turntable spindle is
played on such record changers.‘ This situation is not
actuated, a projection on one of the linked slide members
cured by the fact that single speed 45 rpm. automatic
is engaged by the push-01f ?nger to manipulate the ‘shelves
record changers of the drop type employing a relatively
and separators in a desired manner.
rpm. records may be played thereon. The larger spindle
large turntable center post and adapted to play 45 r.p.m. 30
The invention will be further understood from the fol
records are available. This is for the reason that, unless
lowing description with reference to the accompanying
the adapter wafers are used for the 45 rpm. records, it
drawings, and its scope is pointed out in the appended
is presently necessary, in order to conveniently play rec
ords having all types of spindle openings, to employ at
least two separate record changers instead of one.
Accordingly, it is an object of this invention to provide
means for adapting a single record changer of the drop
type to automatically handle and play records having
di?erent size spindle openings, thereby obviating the ne
claims. In the drawings:
FIGURE 1 is a View in perspective of the top portion
of a record changer and a detechable spindle adapter
therefor, in a position of readiness for use with the turn
table spindle in accordance with the invention;
FIGURE 2 is a view in perspective similar to FIGURE
1, further showing the adapter in a position of cooperation
cessity for more than one record changer in any com 4-0 with the turntable spindle, in ‘accordance with the inven
plete record playing equipment.
There are at present on the market many drop type
record changers of the type hereinbefore mentioned, which
employ the standard small size turntable spindle. There
tion;
FIGURE 3 is a fragmentary view in elevation, and
partly in section, of the spindle adapter and the turntable
spindle in cooperative relation as shown in FIGURE 2
45
are also at present many records of the enlarged center
and on an enlarged scale, substantially full size.
hole 45 r.p.m. type being produced. Accordingly, it is
FIGURE 4 is an exploded view of certain internal por
another object of this invention to provide simple and ef
tions of the spindle adapter shown in FIGURE 3;
fective adapter means for automatic drop type record
FIGURES 5 and 6 are top plan views showing details
chaners of the standard small size spindle type for play
of the arrangement of certain portions of ‘the spindle
50
ing records of the enlarged center hole type.
adapter as shown in FIGURE’ 4 in a record playing in;
Costs in present day automatic record changers must
terval;
.
be kept to a minimum. Therefore, elaborate and com
FIGURE 7 is a fragmentary View in elevation, and
plicated mechanisms must be avoided wherever possible.
partly in section, similar to FIGURE 3, showing the‘
Furthermore, auxiliary parts to be handled by persons
spindle adapter in operation during the record change
55
operating automatic record changers should be simple
cycle, further in accordance with this invention; and
and accurate to a maximum degree, and at the same time
FIGURE 8 is a top plan view showing further details
should be capable of being applied and removed in the
of the arrangement of certain portions of the. spindle
desired manner with great ease.
adapter, as shown in FIGURE 4, during a record change
Acordingly, it is a further object of this invention, to
cycle.
provide a spindle adapter for automatic record changers 60
Referring to the drawing, in which like reference
of the drop type, which is fully effective with all types
characters indicate like parts throughout, and referring
of records while being of simple, low cost design employ
more particularly to FIGURES 1 and 2, a'multi-speed
ing a minimum number of component parts, which func
drop type record changer 14 of a type well known in the
tions reliably, and is easy to operate.
art employs a stationary spindle 10yhaving a shank 11
It is also an object of this invention, to provide an auxi
whichprojects through and above a turntable 12. A
liary spindle adapter for automatic record changers of
spindle head 13 extends above the shank 11 in eccentric
the drop type which is of rugged construction and which
relation thereto. Such 1a spindle arrangement is well
is capable of giving dependable operation over a long
known.
‘
operating life.
An arrangement such as that above described is adapted
A type of record changer the present invention is 70 for playing a stack of records having center holes of the
adapted to accommodate, for playing diiferent size spindle
same diameter as the shank 11 and placed over the spindle
3,071,380
3
head 13 with the lowermost record resting on a shoulder
provided at the top of the shank 11 in a well known
manner. During record playing intervals, at push-0E
?nger member 16 of the type disclosed in the patent here
inbefore mentioned is biased inwardly and downwardly
within the con?nes of the shank 11. Periodically, dur
ing record change cycles, an appropriate record change
cycle control mechanism e?ects the movement of the
?nger 16 along and about a pin 17 to move the lower
most record to a position concentric with the shank 11
4
provided with an opening 58 through which the stud pro
jection 35 extends.
The assembly base 44 is provided with an opening 61
and the arms ‘53 and 56 of the respective separator blades
51 and 52 are mounted parallel to each other on opposite
sides of the assembly base opening 61. A pair of parallel
thrust springs 62, 63 placed between the shelves 45, 46
on opposite sides of the assembly base opening 61 bias
‘the shelves 45, 46 outwardly and against the respective
stud projections 35, 36 extending therethrough.
A cap 65 for the adapter 20 is mounted on top of the
assembly base 44 and is secured with the assembly base
other records of the stack are prevented from such move
to the body portion 22 in a suitable manner, as by a pair
ment by the spindle head 13 and the lower end of a slide
of
screws extending through aligned openings in the body
18 mounted in the spindle head. After the lowermost
portion 22 and assembly base 44 and into internally
record of the stack has been selected in the above de
threaded openings in the cap 65.
scribed manner, the remaining records of the stack lower
The guide channel 23 in the body portion 22 has a cen
a distance equal to the thickness of a record, the lower
ter portion 66 and an off center portion 67, and prefer
most one of such remaining records resting on the shoul
ably has a con?guration corresponding to the outer pe
der. For details of the exact arrangement and operation
of the ?nger 16 and its control mechanism, reference can 20 ripheral dimensions of the spindle shank 11 and the ec
centric spindle‘head 13 when viewed from the upper end
be had to the aforementioned patent.
of the spindle. As is well known, this con?guration is
In accordance with the invention, a spindle adapter or
substantially that which can be traced around two cir~
auxiliary spindle 20, shown in FIGURE 1 resting on the
to drop therealong onto the turntable to be played, while
cular disks of equal radii which overlap to the extent of
top panel 15 of the record changer 14 during playing
of records 28, 29 of the standard spindle hole type, of the 25 ‘the radius. The guide channel 23 is so located in the
body portion 22 that, when the adapter 20 is placed on
diameter equal of records of the enlarged center hole
the
spindle 10, the centers of the shank 11 and spindle
type, is placed over the spindle -10 in the manner shown
head 13 are on a line midway between and parallel to
in FIGURE 2. As shown more clearly in FIGURE 3,
the slide members 31, 32, the shank 11 extends through
the spindle 10 projects through a central bushing 21
the center portion 66 of the guide channel 23, and the
30
provided in a main or spindle body portion 22 of the
spindle head 13 extends through the off-center portion 67.
adapter 20. The bushing 21 has a keyway or guide chan
The assembly base 44 and the cap 65 are provided re
nel 23 which aids in guiding the adapter 20 along the
spectively
with openings 61' and 68 placed off center
spindle 10 in a manner herein-after to be explained.
therein and aligned with the off-center portion 67 of
Referring to_FIGURES 4-6 along with FIGURE 3,
the body portion 22 is provided at its upper end with 35 the guide channel 23 ‘to provide passage for the spindle
head 13 into the cap 65. Upon placement of the adapter
a link member 24 pivoted at its center as indicated at 25
20 over the spindle 11, the top of the spindle head 13
and provided with a pair of pins 26, 27 placed on opposite
extends to the top of the cap opening 68, thereby to sus
sides of the pivot point 25 at equal distances therefrom.
pend or support the assembled body portion 22, assembly
Two parallel slide members 31 and 32 placed on opposite
base 44 and cap 65 above the turntable 12.
sides of the guide channel 23 are respectively mounted
The bushing 21, the outer wall of which is cylindrical
at one end on the pins 26, 27. A portion of one slide
and concentric with the center portion 66 of the guide
member 31 extends laterally from the supporting pin
channel 23, extends a short distance below the body por
26 therefor over the member 24 midway between the
tion 22 and is surrounded by a roller element 71 of the
slide members, and is provided with an upwardly extend
ing stud projection 35. The end of the other slide mem 45 diameter ‘of the body portion 22.
The roller 71 has a relatively short concentric interval
ber 32 opposite or remote from the supporting pin 27
sleeve 72 at the upper end thereof through which the
therefor has a laterally extending portion also provided
bushing 21 extends. A_retaining element 73 placed
with an upwardly extending stud projection 36 located
around the bushing 21 below the sleeve 72‘ provides
midway between slide members 31, 32. An arm 37 of
against the roller 71 slipping off the lower end of the
the slide member 31 opposite the supporting pin 26
bushing 21.
therefor extends laterally between the stud projection 36
The internal sleeve 72 of the roller 71 is of a length
of the slide member 32 and the guide channel 23 and has
slightly
less than the distance between the lower end of
a horizontally extending ?nger 38 which extends a short
the body portion 22 and the retaining element 73. With
distance over the guide channel 23 at the center of the
body portion 22. A second ?nger extension 39E on the 55 the adapter '20 placed over the spindle 10 and suspended
arm 37 of the slide member 31 projects into a thrust
spring 42 which lays in a small trough 43 cut into the
top of the body portion 22 as shown. The thrust spring
42 thus biases the slide members 31, 32 to a normally
above the turntable as hereinbefore described, the roller
71 engages the turntable 12 at its lower end, and its up
per end is separated from the lower end of the body
portion 22 by a small gap.
outermost position of each of the diametrically opposed 60 In the position of the adapter 20 on the spindle 10
during record playing intervals, a stack of records 76, 77
stud projections 35, 36.
of the appropriate large center hole type placed over
An asssembly base 44 mounted on the body portion 22
the cap 65 is supported above the turntable 12 with the
houses a pair of oppositely disposed record supporting
lowermost record 77 resting on the oppositely disposed
shoulders or shelves 45 and 46 which are provided with
respective rectangular openings 47 and 48 near their 65 shelves 45, '46. Also, the roller 71, due to friction be
tween the lower end thereof and the turntable 12, rotates
inner edges through which the respective stud projec
with the turntable. The push-off ?nger 16 during record
tions 35 and 36 extend. A pair of oppositely disposed
playing intervals is biased within the shank as herein
record separators or record separating yknives or blades
before
mentioned.
51 and 52 are slidably mounted on the respective shelves
During record change cycles, and attention is here
45 and 46. The blade 51 resting on top of the shelf 45 70
directed particularly to FIGURES 7 and 8, when the push
has an arm 53 which extends toward the oppositely dis
oi’r' ?nger 16 is moved by its control mechanism in the
posed shelf 46 and which is provided with a ?nger-like
manner hereinbefore mentioned, the upper end of the
extension 54 having an opening 55 through which the stud
push-01f ?nger 16 at the outer edge thereof engages the
projection 36 extends. Similarly the blade 52 has an arm
56 extending toward the shelf 45 and having a ?nger 57 75 ?nger 38 of the slide member 31 and moves the slide
5
3,071,380
member 31 against the tension of the thrust spring 42,
thereby effecting the simultaneous movement of the other
slide member 32 in the opposite direction and the move
ment of the two stud projections 35, 36 inwardly toward
each other. By virtue of the linkage of one stud pro
jection 35 with the shelf 45 and the oppositely disposed
separator blade 52, inward movement of such stud pro
jection 35 effects the withdrawal of the shelf 45 inside
the assembly base 44 and the projection of the blade 52
6
prising an auxiliary spindle for receiving and supporting
a stack of records of the enlarged center hole type and
having a socket opening therein to receive and substan
tially completely enclose said turntable spindle, said aux
iliary spindle having a straight cylindrical housing which
is concentric with the lower portion of said turntable
spindle when said auxiliary spindle is in position on said
turntable spindle and record changing apparatus housed
in said auxiliary spindle and operable by said control
outwardly from the assembly base; simultaneously, the 10 mechanism in a predetermined manner.
withdrawal of the other shelf 46 and the projection of the
3. A device for adapting an automatic drop type phono
other blade 51 is effected by the inner movement of the
graph record changer having a record changing control
stud projection 45.
mechanism incorporated in the turntable spindle thereof
,The blades 51, 52 in the above described movement
for playing records having center holes larger than said
project between the lowermost record 77 and the next 15 turntable spindle, said device comprising an auxiliary
lowermost record of the stack 76 and the shelves 45, 46
spindle having a straight cylindrical housing of a diameter
upon being withdrawn inside the assembly base 44 release
to vreceive enlarged center hole records, said housing
the lowermost record 77, whereupon such lowermost
having an axially extending socket opening therein for
record falls to the turntable to be played.
receiving and enclosing substantially the entire turntable
After the selection of a record in the manner described, 20 spindle to position said auxiliary spindle in concentric
the push-off ?nger 16 is released by its control mecha
relation with the lower portion of said turntable spindle,
nism and permitted to return to the inoperative position
and record supporting and selecting apparatus housed in
it normally occupies during record playing intervals,
said auxiliary spindle for supporting a stack of records
whereupon the slide members 31, 32 are returned to the
of the enlarged center hole type above the turntable dur
outwardly biased positions of the stud projections v35, 36 25 ing record playing intervals and being operable by said
under the in?uence of the thrust spring 42; the shelves
control mechanism to effect sequential selection and drop
45, 4-6 thus project outwardly from and the blades 51,
ping of successive lowermost records of said stack.
52 are withdrawn inside the assembly base 44, the re
4. A detachable spindle adapter for use with a stand
maininrr records of the stack 76 setling with the next
ard turntable spindle of an automatic drop-type phono
lowermost record resting on the shelves 45, 46.
30 graph record changer, said turntable spindle being of the
The roller 71 by virtue vof its rotation with the turn
type having a shank portion and an eccentric spindle head
table 12 aids in assuring the proper speed of rotation of
extension above said shank portion, and which houses an
the records being played. Since a relatively large lateral
automatically projecting record push-off member in said
surface at the center hole of a large center hole type
shank operable by a record change cycle control means
record placed thereon is presented to the roller 71, slip 35 to release records from a stack supported on said spindle,
page of the record is prevented by having the roller rotate
said adapter comprising an auxiliary spindle having a
with the turntable, in the manner described, at the speed
central guide channel therein for receiving said shank
at which the record is designed to be turned.
portion and said spindle head extension, said auxiliary
Clearly the adapter 20 may be used with either multi~
spindle being symmetrical with respect to the central axis
speed or single-speed record changers employing the
thereof and adapted to slip over and be seated on said
standard small size turntable spindle in the manner here
turntable spindle concentrically with the shank portion
inbefore explained for accommodating such changers to
thereof and being of a dimension to receive and provide
play records of the enlarged spindle hole type. The
a guide for a stack of records of the enlarged center hole
turntable speed employed is important in that it should
type, record changing apparatus housed in said auxiliary
be the correct speed for the records which the adapter 45 spindle, said record changing apparatus normally adapted
20 is employed to effect playing by the record changer.
for supporting said stack of records above the turntable,
From the foregoing description, it is clear that there
and said push-off member during such record change
has been described a new and novel means for adapting
cycle being operable to move said record changing ap
automatic drop type record changers to play records
paratus from its normal position to e?ect selection and
having larger center holes than those which the record v50 dropping of the lowermost record of the stack for play
changers are designed to play. An auxiliary spindle
ing.
placed over the turntable spindle with which a drop type
. 5. A detachable spindle adapter as de?ned in claim 4,
record changer is equipped is operable to support a stack
in which the record changing apparatus housed in the
of records of the enlarged center hole type and employs
auxiliary spindle comprises at least one pairof oppositely
a record changing apparatus operable periodically by a 55 disposed record supporting shelves normally projecting
record change cycle control mechanism connected with
from said auxiliary spindle and a pair of_oppositely dis~
the turntable spindle to effect sequential selection and
posed, record separators slidably positioned respectively
playing of successive lowermost records of the stack.
on said shelves in a normally retracted position, in which
What is claimed is:
biasing means are provided comprising a pair of parallel
1. In combination with an automatic phonograph 60 slide members on opposite sides of the guide channel
record changer of the type providing record ejector means
respectively coupling a shelf and an oppositely disposed
in the turntable spindle thereof, a spindle adapter having
separator for effecting movement of said shelves and said
a straight cylindrical housing detachably mounted on and
oppositely disposed separators upon movement of said
concentrically surrounding the lower portion of said turn
respective slide members, means linking said slide mem
table spindle, the diameter of said adapter being substan 65 bers at one end, and in which the push-off member dur
tially the same as the internal diameter of enlarged spindle
ing each record change cycle engages a portion of one
hole records to be played, and record supporting and
slide member to effect movement of said slide members.
selecting means for said records housed in said adapter
6. A detachable spindle adapter as de?ned in claim 4,
and positioned for engagement and operation by said
in which the record changing apparatus housed in the
ejector means to control the release of records from said 70 auxiliary spindle comprises at least one pair of oppo
spindle adapter.
sitely disposed record supporting shelves and a pair of
2. An adapter for an automatic drop type phonograph
oppositely
disposed record separators slidably positioned
record changer. having a standard turntable spindle which
respectively on said shelves,.in which biasing means are
includes a record change cycle control mechanism for
provided comprising a pair of parallel slide members on
effecting record changing operations, said adapter com 75 opposite sides of the guide channel respectively coupling
3,071,380
7
a shelf and an oppositely disposed separator, means link
ing said slide members at one end, thrust spring means
in said auxiliary spindle normally biasing said slide mem
bers so that said shelves coupled thereto project outwardly
to support the lowermost of the stack of records and the
separators are withdrawn inside said auxiliary spindle,
and in which the push-off member during a record change
cycle engages a portion of one slide member to effect
movement of said slide members against said thrust spring
an auxiliary spindle which is symmetrical with respect
to the central axis thereof and which is adapted to be
mounted on and completely enclose said turntable spindle
concentric with the lower portion thereof, the outside
dimensions of said auxiliary spindle being substantially
the same as the internal dimensions of enlarged spindle
hole records to be played, further record changing con
trol mechanism for said enlarged spindle hole records
housed in said auxiliary spindle, and said further record
means, whereby said separators project outwardly be 10 changing control mechanism positioned for engagement
with and operation by said record changing control mech
tween the lowermost and next lowermost records of the
anism carried by said turntable spindle to control the
stack and said shelves are withdrawn to release said
selection and release of records from said auxiliary
lowermost record to drop to the turntable to be played
spindle.
during each record change cycle.
12. In combination with an automatic phonograph rec
7. A detachable spindle adapter as de?ned in claim 6, 15
ord changer of the type providing record changing control
in which the auxiliary spindle comprises a body portion,
means incorporated in the turntable spindle thereof, a
an assembly base portion mounted on said body portion,
spindle adapter having a cylindrical housing detachably
a cap portion mounted on said assembly base portion,
mounted on and substantially completely enclosing the
and a concentric bushing within said body portion, in
entire turntable spindle and concentric with the lower
20
which the record changing apparatus is housed in said
portion thereof, the outside diameter of said adapter
assembly base portion, and in which the guide channel
being substantially the same as the internal diameter of
comprises an opening in the body portion having a center
the enlarged spindle hole records to be played, and fur
portion for receiving the shank and an off-center portion
ther record changing control means for said records
for receiving the spindle head, an opening in said assem
bly base portion having center and off-center portions 25 housed in said adapter and positioned for engagement
with and operation by said ?rst named record changing
aligned with the opening in said body portion, and an
control means to control the selection and release of
opening extending into said cap portion being aligned
records from said spindle adapter.
with the off-center portions of the other openings, whereby
13. An adapter for an automatic phonograph record
said spindle head can extend up into said cap portion
30 changer having a turntable and a turntable spindle of
to the extent of the opening therein.
relatively small diameter which spindle includes record
8. A detachable spindle adapter as de?ned in claim 7,
change cycle control mechanism for eifecting record
in which the bushing extends below the body portion, ‘
changing
operations, said adapter comprising a unitary
and in which a roller element surrounds said bushing
auxiliary spindle structure adapted to be detachably
extension and is mounted thereon for limited longitudinal
movement therealong, said roller in the position of the 35 mounted on said turntable spindle and to extend to said
turntable for centering large center hole records on said
auxiliary spindle on the turntable spindle having its lower
turntable, said adapter having a socket opening therein
to receive said turntable spindle and for centering said
adapter with respect to said turntable, record changing
9. A detachable adapter as de?ned in claim 7, in which
the record changing apparatus is housed in the assembly 40 control means housed in said adapter for supporting and
end engaging the turntable and being rotatable therewith
by virtue of the friction therebetween.
base portion, in which the linking means comprises a
link member pivotally mounted on said body portion, in
centering with respect to the turntable a stack of records
of the enlarged-center-hole type comprising at least a
which the slide members are coupled respectively to said
link member on opposite sides of the pivot thereof, and
pair of record supporting shelves normally projecting
ments in said shank and spindle head operable in a pre
its ends with means to support a stack of records having
from said adapter and at least a pair of record separators
in which the respective shelves and oppositely disposed 45 positioned respectively above said shelves in normally
retracted position within said adapter, means interlinking
separators have openings therein and are coupled by
said shelves and said separators for concurrent operation,
respective projecting portions on the slide members which
and means positioning said record changing control means
extend through said openings.
for
engagement with and operation by said control mech
10. A spindle adapter for placement on a standard
turntable spindle of an automatic drop type record 50 anism included in said relatively small diameter spindle.
14. For use with a phonograph record changer having
changer, in which the turntable spindle comprises a shank
a rotatable turntable and coaxially thereof an upstanding
portion, a spindle head extending from said shank por
spindle of relatively small diameter provided intermediate
tion in eccentric relation thereto, and cooperative ele
determined manner during record change cycles, said 55 center holes of correspondingly small diameter, said
spindle mounting within itself record supporting and
spindle adapter comprising, in combination, a main body
releasing means to select and release successive lower
portion, an assembly base mounted on said body portion,
most records to said turntable, an auxiliary spindle hav
a cap portion mounted on said assembly base, a bushing
ing a unitary housing adapted to slip over and extend
extending axially through said body portion and having
an opening therein for receiving the shank portion of 60 along the entire length of said ?rst named spindle and
freely detachable therefrom for receiving and centering
said turntable spindle in coaxial relation therewith, said
a stack of large center hole record with respect to the
assembly base and said cap portion having openings
axis of said turntable, and further record supporting and
aligned with a portion of the opening in said body por~
releasing means for said records housed in said auxiliary
tion to receive said spindle head, record changing ap
paratus supported in said assembly base, said record 65 spindle and positioned for engagement with and operation
by said ?rst named supporting and releasing meansrto
changing apparatus normally adapted for supporting the
control the successive selection and release of records
lowermost of a stack of records of the enlarged center
from said auxiliary spindle to said rotatable turntable,
hole type placed over said cap portion to be played, and
and a portion of said auxiliary spindle housing extending
said cooperative elements being operable during record
change cycles to effect sequential release of successive 70 to said turntable for centering the large diameter center
hole records released to said turntable.
lowermost records of said stack by said record changing
15. For use with a phonograph having a rotatable turn_
apparatus.
table and coaxially thereof an upstanding spindle of
11. In combination with an automatic phonograph rec
relatively small diameter provided intermediate its ends
ord changer of the type providing record changing control
mechanism incorporated in the turntable spindle thereof, 75 with means to support a stack of reserve records having
3,071,380
10
center holes of correspondingly small diameter, said
spindle mounting within itself record changing control
center large diameter center hole records on said turntable
when said spindle adapter is positioned on said uptsand
ing spindle.
means, a spindle adapter having a housing with a straight
central axis seated on and completely enclosing the entire
18. An adapter for an automatic phonograph record
changer having a turntable and turntable spindle of
relatively small diameter which spindle extends up
spindle and freely detachable therefrom for receiving and
centering a stack of reserve records having relatively
large diameter center holes with respect to the lower por
wardly from the turntable center and includes record
tion of the spindle, said spindle adapter housing having
an axial opening for receiving said spindle, and further
change cycle control mechanism for effecting record
changing operations comprising a unitary auxiliary spin
record changing control means for said records housed 10 dle structure adapted to slip over and surround the turn
in said adapter and positioned for engagement with and
operation by said ?rst named record changing control
table spindle throughout substantially the entire length
means to control the release of records from said spindle
body portion and a rotatable portion mounted on said
thereof, said auxiliary spindle structure including a main
adapter.
main body portion for rotation with respect thereto, said
16. For use with a phonograph record changer having 15 rotatable portion adapted to extend to and concentrically
a rotatable turntable and coaxially thereof an upstanding
engage said turntable ‘for rotation therewith when the
spindle of relatively small diameter provided intermedi
auxiliary spindle is positioned on said turntable spindle,
ate its ends with means to support a stack of records
record supporting and releasing apparatus housed in
said main body portion for supporting a stack of records
having center holes of correspondingly small diameter,
said spindle mounting within itself record supporting and
of the enlarged-center-hole type comprising at least a
releasing means to select and release successive lower
most records to said turntable; a unitary auxiliary spindle
pair of record supporting shelves normally projecting
for large diameter center hole records having a housing
adapted to be seated on and substantially completely
enclose said ?rst named spindle throughout substantially
the entire length thereof, said housing including an upper
separators positionedrespectively above said shelves in
normally retracted position within said main body por
from said main body port-ion and at least a pair of record
tion, means interlinking said shelves and said separators
for concurrent operation, and means positioning said
portion and a rotatable lower portion mounted on said
record supporting and releasing means for engagement
with and operation by said control mechanism included
in said small diameter spindle.
19. A spindle adapter ‘for an automatic phonograph
record changer of the type having a stationary standard
small diameter turntable spindle which includes control
mechanism for effecting record changing operations, said
upper portion in axially aligned relation therewith and
for rotation with respect thereto, said lower portion
adapted to extend to and concentrically engage and rotate
with said turntable when the unitary auxiliary spindle is
positioned on said upstanding spindle; and further record
supporting and releasing means for said records housed
in said upper portion of said housing and positioned for
spindle adapter comprising auxiliary spindle body means
engagement with and operation by said ?rst named sup 35 adapted to vbe mounted on said stationary turntable spin
porting and releasing means to control the selection and
release of successive lowermost records along said auxili
ary spindle to said rotatable turntable, whereby said rec
ords are centered on said turntable by said rotatable
lower portion of said auxiliary spindle housing.
17. For use with a phonograph having a rotatable turn
dle, said auxiliary spindle body means including means
for receiving and supporting a stack of records of the
large centerhole type, said auxiliary spindle body means
having a socket opening ‘for receiving said turntable spin
40
dle, said auxiliary spindle body means when mounted
table and coaxially thereof an upstanding spindle of rela
tively small diameter provided intermediate its ends with
means to support a stack of reserve records having center
on said stationary turntable spindle having a lower por
tion extending to said turntable to center large center
hole records on the turntable, and motion translating
means housed in the upper portion of said spindle body
holes of correspondingly small diameter, said spindle 45 means responsive to actuation of the control mechanism
mounting within itself record changing control means;
of said stationary turntable spindle for releasing the
a spindle adapter including a housing having an axial
lowermost record ‘from ‘a stack of records supported on
opening for receiving and completely enclosing said
said auxiliary spindle body means.
spindle of relatively small diameter, said housing having
20. An adapter as de?ned ‘by claim 20, wherein said
a straight central axis and external dimensions for receiv 50 lower portion of said auxiliary spindle body means is
ing and centering with respect to the rotatable turntable
a stack of reserve records having relatively large diam
eter center holes; said spindle adapter housing having an
upper portion adapted to be seated on and ?xed with
respect to said spindle of relatively small diameter; record 55
changing control means for said records housed in said
upper portion and positioned for engagement with and
operation ‘by said ?rst named record changing control
means to control the release of records from said spindle
adapter; and a rotatable lower portion for said spindle 60
adapter housing rotatably mounted on said upper portion
in axially aligned relation therewith, said lower portion
adapted to engage and be rotated by said turntable to
secured to the upper portion thereof to provide a com
posite structure adapted to be mounted on or detached
‘from said stationary spindle as a single unit.
'
References Cited in the ?le of this patent
UNITED STATES PATENTS
‘1,568,130
‘2,523,045’
2,549,246:
2,651,523
2,666,647
Blackwell ____________ __ Jan. 5,
Miller et al. __' ________ __ ‘Sept. 19,
Schweitzer __________ __. Apr. 17,
Dale __- ______________ .._. Sept. 8,
Dale _,___,_ _____ _,._H....____ Jan. 19,
1926
1950
1951
1953
1954
UNITED STATES PATENT OFFICE
QE TlFlCATi‘E M‘
EC'l‘lQN
Patent Non EMOH V3360
January lV 19633»
Roland Di Sabatino
It is hereby certified that e rror appears in the above numbered _ pat“
ent requiring correction and that the said Letters Patent should read as
corrected below.
line Column
59, for lV"Acordingly"
line d9‘, forread
"cleaners"
Accordingly
read
changers
mm; column 2w
line 17,, for "internal” read
internal ~~g line 35‘, for
"detachable" read === detachable we; column 57 line 29‘7 for
"setling" read me settling W; column 108 lines :2 and 3? for
"apt-sanding” read
upstanding m»; line 490 for the claim
reference numeral "20" read ~- 19 “be
Signed and sealed this let day of October 1963,
(SEAL)
Attest:
ERNEST We SWIDER
Attesting Ufficer
DAVID L, LADD
Commissioner of Patents
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