US1321195A - Speed-regulator - Google Patents

Speed-regulator Download PDF

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US1321195A
US1321195A US1321195DA US1321195A US 1321195 A US1321195 A US 1321195A US 1321195D A US1321195D A US 1321195DA US 1321195 A US1321195 A US 1321195A
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Prior art keywords
plug
nut
screw
speed
pin
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D13/00Control of linear speed; Control of angular speed; Control of acceleration or deceleration, e.g. of a prime mover
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/18Mechanical movements
    • Y10T74/18888Reciprocating to or from oscillating

Definitions

  • the motor is set'to rotate the turn-table at a r UNITED STATES) AT T OFFICE PIN'CUS :E'ARB, or SAGINAW', .MICI-IIGAN, ASSIGNQR To sONoRjA PHONOGRAPI-I CORPORATION, A CORPORATION OF NEW YORK.
  • theinvention consists in the novel construction, combination of' elements, and arrangement of parts which will be exemplified in the construction hereinafter described in the specification' and illustrated inthe accompanying sions,ione of which for the purpose of illustratin'g'theinvention, is shownin the accompanying drawings.
  • F'gure l is a Side elevation 11 talking.
  • FIG. 2 is a detail plan View of the inven tioni V Fig. 3 is a sectionon" the line 3 -3 of ig. 4 is a detailperspective view'of the cylindrical nut.
  • Fig. '5 is a detail side elevation of the raising. and lowering plug or sleeve
  • I Fig. 6 is a detail side elevation ofguide sleeve
  • a cabinet 1 of any preferred construction.
  • the cabinet is provided with a motor board 2, 'to the under side of'which a motor3'is secured.
  • lhe motor comprises a spring 4: and a turn-table spindle 5 extending. through the'moto'r board, carryingaturn-tableb on i i which is "supported'a record disk 7.
  • the turntable spindle 5 has a worm wheel 8 in mesh with a rworm 9 on the shaft 10 of a governor 12, which carriesa brakedisk 11.
  • a brake beam '13 is pivoted to the motor frame andca'rries a brake shoe 14' whichco-' operates with the disk 11.
  • An arm 15 is at tached to the beam 13 and has a 'slot'16 near one 'end thereof.)
  • the plug is provided with a spiral slot 24 in its periphery.
  • the nut is provided with a pin 25 which projects through the spiral slot 24 in the plug, and the longitudinal slot 21 in the sleeve, whereby rotation of the plug will cause the nut to move longitudinally thereof.
  • a threaded pin 31 engages the threaded bore of the nut 30, and has a slot or kerf 32 in its upper end.
  • the pin is provided with a collar 33 and an extension 3st, which latter engages the slot 16 in the arm 15.
  • the upper end of the plug 22 has a noncircular head 27 with which engages a finger or pointer 28, said pointer cooperating with the scale 20.
  • the nut 30 is provided with a longitudinal slot 30 in order that the nut may be pinched upon the screw 31 should the latter work loose at any time during the operation of the device.
  • the screw 29 is removed.
  • a screw driver is then inserted through the bore 26 and engaged in the slot 32 in the pin 31, and the pin is rotated in the clock-Wise direction.
  • the nut 30 being held against rotation by the engagement of the pin 25 in the slot 21, the rotation of the screw 31 will drive the same downward, the collar 33 will depress the arm 14, and move the beam 13 and brake shoe 14 toward the disk 11, until the shoe reaches such a position relatively to the disk, that the shoe will be engaged by the disk when the motor reaches the desired speed, 80 revolutions per minute for example.
  • the screw 29 is then replaced.
  • a device of the character described comprising a plate, a plug carried by and'extending through the plate, a nut within the plug, a screw carried by the nut, said screw being within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
  • a device of the character described comprising a plate, a scale on the plate, said scale having a designating character thereon, a plug carried by and extending through the plate, a nut within the plug, a pointer carried by the plug and cooperating with the scale, a screw carried by the nut, said screw being within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
  • a device of the character described comprising a plate, a sleeve carried by the plate, a plug within the sleeve, said plug having a bore, a cylindrical nut within the bore of the plug, said nut having a bore with internal threads, a threaded pin engaging the bore of the plug, a slot in said pin, whereby the latter may be rotated, and means for preventing rotation of the nut.
  • a device of the character described comprising a plate, a plug carried by and ex tending through the plate, a nut within the plug, a screw carried by the nut, said nut havin a longitudinal slot and adapted to engage the screw, said screw being within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
  • a device of the character described comprising a plate, a scale on the plate, said scale having a designating character there on, a plug carried by and extending through the plate, a nut within the plug, a pointer carried by the plug and cooperating with the scale, a screw carried by the nut, said nut having alongitudinal slot and adapted to engage the screw, said screw being Within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
  • a device of the character described comprising a plate, a sleeve carried by the plate, a slot in the sleeve, a plug Within the sleeve, said plug having a bore, a projection on the plug engaging the slot, a cylindrical nut Within the bore of the plug, said nut havin a bore with internal threads, a pin engagln the bore of the plug, said pin having a screw thread on a portion of its length, a collar on the pin, a slot or kerf in said pin, whereby the latter may be rotated, and means for preventing rotation of the nut.
  • Gopiel of this patent may be obtained for five cents each, by addressing Washington, D. G.

Description

P. FARB.
SPEED REGULATOR.
APPLICATION r1150 JUNE 8.191s.
1,321,195. Patented Nov. 11; 1919.
' the motor is set'to rotate the turn-table at a r UNITED STATES) AT T OFFICE PIN'CUS :E'ARB, or SAGINAW', .MICI-IIGAN, ASSIGNQR To sONoRjA PHONOGRAPI-I CORPORATION, A CORPORATION OF NEW YORK.
. SPEED-REGULATOR.
Specification Of Letters Patent.
Application filed June a, 19 1s. Serial in); 239,074.
To all whom it may concern:
Be it known that' I, PINoUs FARR, a eiti zen of the United States, and a resident of the city Of Sa-ginaw, county of Saginaw, and State of Michigan, have" invented certain" new and useful Improvements in Speed- Regulators, of which the following is" a specification." vention'relates to speed'regulators for talking machine motors, whereby ,the speed" of the motor may be "easily an'didefi nitely regulated from the outside of the machine, and wherein thefregulatingapparatus willjbe concealed from view to" prevent tampering therewith.
In he manufacture of 'talkifig2machiiies,
certain arbitrary speed,', usually 80 'rlevolutions perininute. Thisis the speed at: which the turn-table of the recording. machine rotates, and a record reproduced at such speed will give a perfectreproduction. H v
If, after'the motor has. been regulated, its parts should become disarranged as by line: bering up after use, wear of the parts, or .by. accident,it is necessary; to removethe inotonboard-fi'om the cabinet, move thei gov-v l ernor brake, time the revolutions ,ofjthe turntable, set the indicator finger, and th'en replace the parts; 1
The ob'ects Of'my invention are to provide a simple, cheap effective means whereby. the speed of a motor may .beIregu-j: latedfwith'out the necessity of removing any part-off thecasing, and to 'so arrange the operating parts that the appearance of. the
I talking-machine will not be marred;
A further object-of'the'invention'isthe provision of means Of .the' character described, which are extremely simple in con? struction, neat and attractive in'appearance, thoroughly reliable and eflicientin purpose, andflinexpen'sive to manufacture.
With these and other objects in view to be more fully set forth hereinafter, theinvention consists in the novel construction, combination of' elements, and arrangement of parts which will be exemplified in the construction hereinafter described in the specification' and illustrated inthe accompanying sions,ione of which for the purpose of illustratin'g'theinvention, is shownin the accompanying drawings.
The invention will b'e'first' described in connection with the accompanying drawings wherein similar reference characters are used to designate corresponding parts Patented Nov. 11, 1919.
throughout the several views, an dthen more specifically defined and indicated in the appe'ndedclaims; v.
In the drawings,-
F'gure l is a Side elevation 11 talking.
machine embodying. my invention, one side of the cabinet being removed I Fig. 2 is a detail plan View of the inven tioni V Fig. 3 is a sectionon" the line 3 -3 of ig. 4 is a detailperspective view'of the cylindrical nut.
Fig. '5 is a detail side elevation of the raising. and lowering plug or sleeve, and I Fig. 6 is a detail side elevation ofguide sleeve; v
In carryingfoutmyinvention I provide a cabinet 1 of" any preferred construction. The cabinet is provided with a motor board 2, 'to the under side of'which a motor3'is secured. lhe motor comprises a spring 4: and a turn-table spindle 5 extending. through the'moto'r board, carryingaturn-tableb on i i which is "supported'a record disk 7.
' The turntable spindle 5 has a worm wheel 8 in mesh with a rworm 9 on the shaft 10 of a governor 12, which carriesa brakedisk 11. A brake beam '13 is pivoted to the motor frame andca'rries a brake shoe 14' whichco-' operates with the disk 11. An arm 15 is at tached to the beam 13 and has a 'slot'16 near one 'end thereof.) A'spr'ing' 17 secured "to the brake beam 13, engages a stop 18 on the frame; and tend's'to retain the brake shoe but ofe ilgagem'ent with the brake disk 11;
Secured to the upper surface of th'e motor.
eri kaefll ar dued lini fise 00E2 1 t it oppesiteend; the'horesbeing maxi'al al'lue' f ment and forming a continuous communication throughout the plug. The plug is provided with a spiral slot 24 in its periphery.
A cylindrical nut 30, having a bore provided with internal threads, is arranged in the bore 23, and is movable longitudinally thereof. The nut is provided with a pin 25 which projects through the spiral slot 24 in the plug, and the longitudinal slot 21 in the sleeve, whereby rotation of the plug will cause the nut to move longitudinally thereof.
A threaded pin 31 engages the threaded bore of the nut 30, and has a slot or kerf 32 in its upper end. The pin is provided with a collar 33 and an extension 3st, which latter engages the slot 16 in the arm 15.
The upper end of the plug 22 has a noncircular head 27 with which engages a finger or pointer 28, said pointer cooperating with the scale 20.
The nut 30 is provided with a longitudinal slot 30 in order that the nut may be pinched upon the screw 31 should the latter work loose at any time during the operation of the device.
A screw 29 threaded into the bore 26, re tains the pointer in position, and secures the plug in position with the sleeve 21.
The operation is as follows:
It being noticed that the turn-table is run ning too fast for example, the screw 29 is removed. A screw driver is then inserted through the bore 26 and engaged in the slot 32 in the pin 31, and the pin is rotated in the clock-Wise direction. The nut 30 being held against rotation by the engagement of the pin 25 in the slot 21, the rotation of the screw 31 will drive the same downward, the collar 33 will depress the arm 14, and move the beam 13 and brake shoe 14 toward the disk 11, until the shoe reaches such a position relatively to the disk, that the shoe will be engaged by the disk when the motor reaches the desired speed, 80 revolutions per minute for example. The screw 29 is then replaced.
It will be understood that the operator must time the turn-table until its speed reaches that of the character 80 on the plate 19; this is accomplished in any well known manner.
Should the operator desire to play certain records, at a speed different from that at which the motor is set, it is simply necessary to turn the pointer 28 toward the right 01 left of the scale. This will rotate the plug 22, and the engagement of the pin 25 with a the spiral groove 24 will move the nut 30 and arm 15 in the desired direction.
In accordance with the provisions of the patent statute, I have described the principle of my invention together with the apparatus which I now consider to represent the best embodiment thereof, but I desire it understood that my invention is not confined to as herein set forth, as it is obvious that the particular embodiment herein shown and described is only one of' many that can be employed to attain these objects and accomplish these results.
Having now described my invention, what I claim and desire to secure by Letters Patent is as follows:.
1. A device of the character described, comprising a plate, a plug carried by and'extending through the plate, a nut within the plug, a screw carried by the nut, said screw being within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
2. A device of the character described, comprising a plate, a scale on the plate, said scale having a designating character thereon, a plug carried by and extending through the plate, a nut within the plug, a pointer carried by the plug and cooperating with the scale, a screw carried by the nut, said screw being within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
3. A device of the character described, comprising a plate, a sleeve carried by the plate, a plug within the sleeve, said plug having a bore, a cylindrical nut within the bore of the plug, said nut having a bore with internal threads, a threaded pin engaging the bore of the plug, a slot in said pin, whereby the latter may be rotated, and means for preventing rotation of the nut.
4:. A device of the character described, comprising a plate, a plug carried by and ex tending through the plate, a nut within the plug, a screw carried by the nut, said nut havin a longitudinal slot and adapted to engage the screw, said screw being within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
5. A device of the character described, comprising a plate, a scale on the plate, said scale having a designating character there on, a plug carried by and extending through the plate, a nut within the plug, a pointer carried by the plug and cooperating with the scale, a screw carried by the nut, said nut having alongitudinal slot and adapted to engage the screw, said screw being Within the plug, there being an opening in the plug permitting access to the screw, whereby the latter may be rotated, and means for preventing rotation of the nut.
6. A device of the character described, comprising a plate, a sleeve carried by the plate, a slot in the sleeve, a plug Within the sleeve, said plug having a bore, a projection on the plug engaging the slot, a cylindrical nut Within the bore of the plug, said nut havin a bore with internal threads, a pin engagln the bore of the plug, said pin having a screw thread on a portion of its length, a collar on the pin, a slot or kerf in said pin, whereby the latter may be rotated, and means for preventing rotation of the nut.
7. A device of the character described,
Gopiel of this patent may be obtained for five cents each, by addressing Washington, D. G.
comprising a stationary scale, a rotatable plug carrying a pointer adapted to cooperate With the scale, a nut carried by the plug, a member carried by the nut and adapted to cooperate With the governing mechanism of a spring motor, means for preventing rotation of the nut, means carried by the nut and cooperating with the plug to move the nut longitudinally by the rotation of the plug,
and means for moving the member relatively to the nut.
This specification signed and witnessed this 10th day of May, 1918.
PINCUS FARB.
Witnesses:
E. H. JENNINGS, K. L. MAHONEY.
the Commissioner of Patents,
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557031A (en) * 1948-04-05 1951-06-12 Isbenjian Hrant Automatic recording apparatus
US3221841A (en) * 1964-01-27 1965-12-07 Advance Prod Corp Cam operated, axially movable brake

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2557031A (en) * 1948-04-05 1951-06-12 Isbenjian Hrant Automatic recording apparatus
US3221841A (en) * 1964-01-27 1965-12-07 Advance Prod Corp Cam operated, axially movable brake

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