US1398743A - Brake or stop device for sound-reproducing machines - Google Patents

Description

I $.-L. SCHIFF. BRAKE OR STOP DEVICE FOR SOUND REPRODUCING MACHINES.

APPLICATION FILED APR. 19, 1920- Patented Nov. 29, 1921.

WW I S. L. SCHIFF.

BRAKE 08 STOP DEVICE FOR SOUND REP ICING MACHINES- APPLICATION FlLED APR. 19, 1 920. I

Patented Nov. 29, 1921.

3 SHEETS-SHEET 2- I /e f" M SamueZL, S'a/z'iff U'Ni'if 1 sA L so IIEE, OF CHICAGO, ILLINoIs, Ass GNoE TQ VITANOLA TALKING MACHINE ooMPAN o crrrcaeo, ILLINoIs, A con-rona'rrolv 'o ILL NOIS.

BRAKE on sror DEVICE on SOUND-REPRODUCINGMACHINES.

Specification ofLetters Patent. Patented NOV. 29, 1 921;

Application filed April 19, 1920. Serial No. 324,831.

To all whom it may concern:

Beit known that I, SAMUEL L. SGIIIIT, a citizen ofthe United States, residing at Chicage, in the county of Cook and Stateof Illinois, have invented certain new and usetul Improvements in Brake or Stop Devices for Sound-Reproducing Machines,' of which the following is a specification..-

This invention relates to an attachment for sound reproducing machines embodying improved means for causing an automatic engagement of? a brake member or device with a movable part, such as the turn table of the machine for stopping the same at the end or" a piece or record being played, and also embodying means whereby the device may at will be adaptedor set relatively to the number 01. convolutions on the records so that the operation of the device may be varied to accommodate pieces of different lengths.

A further object is to provide an improved device of this character embodying means whereby the same may be automatically rendered active or inactive by the action or the tone arm respectively in predetermined directions.

A further object isuto provide an improved, simple and compact device of this character which will be eitective, etficient and extremely sensitive in operation.

To the attainment of these ends and the accomplishment of other new and useful objects as will appear, the invention consists in the features of novelty insubstantially the construction.combination and arrangement oi the several parts. hereinafter more iujlly described and claimed and shown in the accompanying drawings illustrating this invention and in whichi Figure 1 is a top plan view oft-a device 01- this character constructed in accordance with the, principles of this invention with parts broken away and showing a portion of the tone arm in'section, also illustrating some of the parts in anadjusted position. I

Fig. 2 is a view similar to Fig. l-showing the parts ina different position.

Fig. is a. detail sectional view taken on line33.Fig. 1,

Fig,v 4 isa sectional view taken on line i 4 Fig.1.

Fig. 5-5 Fig. 1. i r

Fig. 6 is a sectional View taken on line 66 Fig. 1. 1 I

Fig; 7 is a detail perspective view of the tripping element.

Fig. 8 is a View similar to Fig.1 1 of av modified form of the invention. I

Fig. 9.,is a sectional view taken on line 99ofFig.8. H Referring more; particularly to the drawmg the numeral '19 designates a base or supporting plate upon which the parts are mountedand which plate-is securedto the top or portion 11 of a sound reproducing machine. r

A brake device 12 is pivotally mounted intermediate its ends as at 13 upon the plate and thebrake is providedwith a portion 5 is a sectional view taken on line 1-1- adaptedto engage the'inner face of a v peripheral rim on .the revolvingsupport or table 15 of the machine. Pivotally mounted also upon the plate 10 and intermediate its ends as at 16 is a, latch device 17 having a curved. surface 18 adjacent which the extremity 19t of the brake 12 is adapted to move, and this latch 17 is provided with a recess 20 afdapted to receive the end 19 of the brake 12 when'the parts. are in a predetermined position with respect to each otl1er.- d

An elastic member21fisuch as a coil spring is anchored, by one end as at 22 to the latcli' 17 and to one side 0]": the pivot thereof, while the other end of the elastic member 21 is anchored as at 23 to the brake 12 to one side of its pivot. This elastic member 21; tends normally to move the brake 12 in a direction to-cause the portion 14 to become effective move the latch 17 into an effective position. .IIn indicator 24 is pivotally mounted by one end as at 25 upon the plate 10 and the pivot is of such a nature that it will trio length. and configuration andis preferably provided with a pointer 26 one end ad'aptupon the moving.- part and also tends to V tained by friction in any of its adjusted positions. This indicator together with the adjustment thereof is designed for the purpose of causing the latch 17 to be tripped at any desired point with relation to the travel of the needle or stylus in the groove of the record to automatically release the brake 12 and stop the record support. To that end there is provided a tripping element 30 which may be of any desired size and configuration. This element 30 is superimposed upon the indicator 24 and is provided with a depending finger or projection 31 to hold it spaced from the indicator. One end of the tripping element is preferably deflected as at 32 and is provided with a surface or edge 33 for a purpose to be set forth. One end of the latch 17 projects over the indicator 24 and preferably terminates adjacent the pivot of the latter and the latch is preferably pro vided with an upright pin 34 adapted to project into anupright tubular portion 35 carried by the tripping element 30 and by means of which tubular portion 35 and pin 34 the latch and tripping element will be pivotally connected. The tripping element .30 is con-- nected with the indicator 24 for movement therewith and for movement with respect thereto preferably by means of a pin 36 and slot 37 connection, the slot being provided in the tripping element 30 so that the pin 36 will pass therethrough and engage the inclicator 24. The pivot 25 of the indicator and the pivotal connection between the trippmg element 30 and latch 17 are in different ver- 1 tical planes and are preferably in close proximity to each other. WVith this construction it will be manifest that when the indicator 24 is moved about its pivot the tripping element 30 will also be moved with the indicator and will also be moved relatively to the latch 17 and about the point of pivotal connection with the latch 17 the pin and slot connection 36 37 permitting such movement without moving the latch 17 about its pivot 16.

The pin and slot connection also permits "the tripping element 30 to be moved relatively with relation to the indicator 24 to shift the latch '17 about its pivot 16 and against the stress of the elastic member 21 to release the brake 12 so that the elastic element will move the brake from the position finger 38 which is connected in any suitable manner with a tone arm 39. The finger 38 is so disposed with respect to the tripping element 30 that when the tone arm is moved from the position shown in Fig. 1 to the position shown in Fig. 2 it will engage the surface 33 of the end 32 of the tripping element 30 and shift the latter with respect to the indicator 24. This shifting movement of the tripping element will swing the latch 17 about its pivot 16 in the manner just described so as to move the recess 20 in the latch away from the end 19 of the brake, to release the latter so that the flexible element 21 will cause the brake to become effective. In order to vary the time of the shifting operation of the finger 38 upon'the tripping element 30, to accommodate pieces of vary .ing lengths, the indicator 24 may be shifted to change the position of the surface 33 with respect to the path of movement of the finger 38 by the tone arm, such for instance as the position shown in the dotted lines in Fig. 1 and in the manner already described.

When the tone arm 39 is moved in a direction to cause the finger 38 to move away from the surface 33 of the tripping element, the tripping element may be moved in the opposite direction so as to cause the latch 17 to assume a position to become effective with respect to the brake 12 when the latter is moved into the position shown in Fig. 1.

This may be accomplished in any suitable of the brake and move the latter about its )ivot. The extremity 44 of the other arm of the'bell crank lever terminates adjacent the finger 38 on the tone arm and is adapted to be engaged by the finger to rock the lever 40 about its pivot 41 to shift the brake. 12 from the position shown in Fig. 2 to the position shown in Fig. 1, and against the stress of the elastic member When the recess 20 in the latch 17 is adjacent the end 19 of the brake 12 the elastic member 21 will cause the recess to pass over the end 19 of the brake and lock the latter in an ineffective position. If desired; a suitable guide 45n1ay be provided for the arm- 42 of the setting lever.

With this improved censtructionit will be manifest that the apparatus may be readily set to accommodate records of varymg lengths and will be very sensitive in its operation. 1 1

If desired a stop 46 may be provided for limiting the movement of the brake 12 about its pivot in one direction, and a similar stop 47 may be provided for limiting the move ment of the setting lever l0 about its pivot inone direction. r

In Figs. 8 and 9 there is shown a modified form of the inventionand in this term. of

the invention the latch a8, corresponding medium of the pin 34 carried by the latch and tubular portion or sleeve 85 carried by "the tripping element 30, and the latch is provided with a shoulder 50.

Thebr-ake element 51 is provided with a cushioning device 52 which is adapted to engage the flange of the disk supporting table 15 and the brake element is pivotally supported as at 53 intermediate its ends and upon the base plate 10. The other end 5-1 of the brake element projects toward the latch 48 and the extremity 55 01 the portion at of the brake element coijperates with the shoulder 50 of the latch 4-8 to lock or retain the brake element in an ineffective position. A coil spring 56 is anchored by one end as at 57 to the latch 48 and by its other end as at 58 to an arm or extension 59 on the brake element 51. This elastic member tends normally to move the brake element 51 into an effective position and also tends normally to move the latch 4-8 about its pivot 49 into a position that the shoulder 50 will be engaged by the extremity 55 of the portion 5a of the brake. The arm 59 projects for any desired distance from the brake element 51 and is so arranged that its extremity 60 will terminate in the path of movement of the'a'rm or projection 38 on the tone arm 39 so that when the tone arm is moved toward the right in Fig.8 from the position shown in Fig. 2, the arm or finger 38 will engage the extremity 60 of the arm 59 and rock the brake about its pivot 53 so as to move the cushion 52 away from the wall of the disk support or into an ineffective position At the same tlme the extremity 55 of the portion 54 of the brake will be moved against the latch- 48 to shift the latter about its pivot 49 against the tension of the spring 56 so that the extremity 55 01" the brake element will pass beyond the shoulder 50 of the latch. slightly to'the left in Fig. 8 from the position shown, the brake element 51 will, under the tension of the spring 56, move in a direc tion to cause the extremity 55 to engage the between the tripping element 30 and the When the tone arm is moved indicator arm 24 will permit of such movement.

With this form of the invention it will be manifest that the brake and the setting ele-' ment are combined as a single unit and the number of parts in the form of the invention shown in Figs. 1 and 2 will be materially reducedj V i While the preferred form of the invention has herein been shown and described, it is to be understood that various changes may be made in the details of construction and in the combination and arrangement of the several parts within the scope of the claims without departing from the spirit oi? this invention.

Whatis claimed as newisz- 1. In combination with a rotatable part of a phonograph or the like, a pivotally mounted brake therefor, means tending normallyto render the brake effective, a latch adapted to cotiperate with the brake for maintaining the brake inefi ective, a tripping element for shifting the latch to release the brake to permit the latter to become effective, means operatively related to the tone arm for actuating the tripping element, and an indicator for setting the tripping element to vary the time of actuation of the latch by the said tripping element with respect to the degree of movement'of the tone arm, the said latch being operatively connected-with the said indicator through the medium of the-"said tripping element.

Z'In' combination with a rotatable part of a phonograph or the like, a pivotally mounted brake theretonimeans tending normally to renderthe brake effective, a latch adapted to cotiperatei with the brake for maintaining the brake ineffective, a tripping element'for shifting the latch to release the brake to permit the latterto become efi'ective, means operativelyrelated to the tone arm for actuating the tripping element, and an indicator for setting the tripping ele-: ment to vary the time of actuation of the latch by the saidtripping element with re spect to the degree of movement of the tone" arm, the saidtripping element being movable with and with" respect" to the said indicator, thesaid latch operatively connected with the said indicator throu gh the medium of the said tripping element. r

3'. In combination with a rotatable part of a phonograph or the" like, apivotally mounted brake therefor, means tending nor- 'mally to render the brake effective, a'latch adapted to 'coiiperate with the brake for maintaining the-brake ineffective,- a-pivotally mounted indicator, and. a tripping element mounted upon the indicatorffor movement therewith and with respect thereto, the said latch being operatively connected with the indicator through the medium. of the said tripping element, the mo vement'of the said tripping element with respect to the said indicator operating to actuate the latch to release the brake, and the movement of the tripping element with the indicator operating to accommodate records of varying lengths.

4. In combination with rotatable part of a phonograph or the like, a pivotally mounted brake therefor, means tending normally to render the brake effective, a latch adapted to cooperate with the brake for maintaining the brake ineffective, a pivotally mounted indicator, a tripping element mounted upon the indicator for movement therewith and witl respect thereto, means pivotally connecting the latch and said tripping element, the movement of the said tripping element with respect to the said indicator operating to actuate the latch to release the brake, and the movement of the tripping element with the indicator operaing to accommodate records of varying lengths, and. means for rendering the said latch effective with respect to the brake.

5. In combination with a rotatable part of a phonograph or the like, a pivotally mounted brake therefor, means tending normally to render the brake effective, a latch adapted to cotiperate with the brake for maintaining the brake ineffective, a pivotally mounted indicator, a tripping element mounted upon the indicator for movement therewith and with respect thereto, means pivotally connecting the latch and said tripping element, the movement of the said tripping element with respect to the said indicater operating to actuate the latch to release the brake, and the movement of the tripping element with the indicator operat ing to accommodate records of varying lengths, and means operatively related to the tone arm for shifting the brake to render the latch effectivewith respect to the brake.

6. in combination with a rotatable part of a phonograph or the like, a pivotally mounted brake therefor, means tent ing normally to render the brake effective, a latch adapted to coiiperate with the brake for maintaining the brake ineffective, a pivot ally mounted indicator, a tripping element mounted upon the indicator for movement therewith and with respect thereto, an operative connection between the latch and said tripping element, the movement of the said tripping element with respect'to the said indicator operating to actuate the latch to release the brake, and the movement of the tripping element with the indicator operating to accommodate records of varying lengths, and a setting lever adapted to operate upon the brake to shift the latter to render the said latch effective with respect to the brake.

7. In combination with a rotatable part .of a phonograph or thelike, a pivotallyi ing to accommodate records of varying lengths, a bell crank lever separate from and adapted to shift the brake to render the brake ineffective and the latch effective with relation to the brake, and means operatively related to the tone arm for actuating the bell crank lever. v

8. in combination, a movable element, a brake for said element, meanstending normally to render the brake effective, a latch for holding the brake ineffective, a tripping element for actuating the latch to release the brake element, means operable upon the tripping element to automatically actuate the latter, an adjustable indicator, means operably connecting the said tripping ele ment with the indicator for movement therewith and with respect thereto, and means pivot-ally connecting said latch with the said tripping element whereby the latch will be actuated by the movement of the tripping element with respect to the said indicator, the movement of the tripping element with the indicator operating to vary the time of movement of the tripping element with respect to the said indicator.

9. ln combinatioma movable element, a brake for said element, means tending normally to render the brake effective, a latch for holding the brake ineffective, a tripping element for actuating the latch to release the brake element, means operable upon the tripping element to automatically actuate the latter, an adjustable indicator, means o erably connecting the said tripping element with the indicator for movement therewith and with respect thereto, said latch being operable by the movement of he said the tripping element with respect to t indicator, he movement'of the tripping element with the'indicator operating to vary the time of movement of the tripping element with respect to the said" indicator, and a setting lever operable upon brake to render the latter ineffective and to establish an effective relation between the brake and latch, the second recited means also operating to actuate the said setting lever.

10. In combination, a movable element, a brake for said element, means tending nor mally' to render the brake effective, a latch for holding the brake ineffective, a tripping ping element being mounted upon the said indicator for movement with respect there-' to and in a plane parallel thereto to actuate the latch to .release the brake 'to permit the latter to become effective, and means operable upon the tripping element to automatically actuate the latter, the said tripping element being also movable with and in the same direction as the indicator.

11. In combination, a movable element, a brake for said element, a latch for holding the brake ineffective, yielding means common to the brake and latch and tending normally to render them both effective, a tripping element for actuating the latch against the stress of the first recited means to release the brake, means operable upon the tripping element to automatically actuatethe latter, an adjustable indicator, means operably connecting the said tripping element with the indicator for movement therewith and with respect thereto, and means pivotally connecting the said latch with the tripping element and operable by the movement of the tripping element with respect to the indicator, the movement of the tripping element with the indicator .operating to vary the time 01 movement otthe tripping element with respect to the inclicator.

12. In combination, a movable element, a brake for said element,a pivotally mounted latch for maintaining the'brake inefl'ective, means tending normally-to maintain the brake effective, apivotally mounted indicator, a tripping element mounted upon the indicator for movement therewith and with respect thereto, means pivotally connecting the said tripping element with the,

said latch, whereby the movement of the said indicator will cause the tripping ele ment to move therewith and about its point of pivotal connection with the latch, and means whereby the said tripping element may be moved with respect to the said indicator to move the said latch about the pivot of the latter.

13. In combination, a movable element, a brake for said element, a pivotally mounted latch for maintaining the brake ineffective, means tending normally to maintain the brake effective, a pivotally mounted indicator, a tripping element mounted upon the indicator for movement therewith and with respect thereto, means pivotally connecting the said tripping element with the said latch, whereby the movement of the said .indicator will cause the tripping element to move therewith and about its point of pivotal connection with the'latch, and means whereby the said tripping element may be moved with respect to the said indicator to move the said latch about the pivot of the latter, the pivot of the said indicator and tripping element and the latch being separate from eachother.

14%. In combinatioma movable element, a brake for said element, av pivotally mounted latch for maintaining the brake ineffective, means tending normally to maintain the brake effective, apivotally mounted indicator, a trippingelement mounted upon the indicator for movement therewith and with respect thereto, means pivotally connecting the-said tripping element with the said latch, whereby the movement of the said indicator will Cause the tripping elementto'move therewith and about its point of pivotal connection with the latch, and means whereby the said tripping element may be movedwith respect to the said indicator to move the said latch about the pivot of the latter, the pivot of the said indicatorand the point oi pivotal connection between the trippingelement and the latch being separate from each other but arranged in differentver tical planes in close proximity to each other 15. In combination, a movable element, a brake for said element, a pivotally mounted latch for maintaining the brake ineffective, means tending, normally to maintain the brake effective, a pivotally mounted indica-tor, a tripping element mounted upon the indicator for movement therewith and ?with respect thereto, means pivotally connectin the said tripping element :with the "said latch, whereby the movement of'the said indicator will cause the tripping element to 'move therewith and about its point ofpivotal connection with the latch, means whereby the said tripplng element'may be moved with respect to the said indicator tojmove the point of pivotal connection between-the the-said tripping element with the said latch, whereby the movement of the said indicator will cause the tripping element to move therewith and about its point of pivotal connection with the latch, means whereby the said tripping element may be moved with respect to the said indicator to'move the said latch about the pivot of the latter, and a bell crank lever operable upon the." brake to render the latter ineffective with respect to the first recited element and efi'ec- 'tive with respect to the said latch, the last recited means being operable upon the lever to actuate thelatter and embodying an arm having a path of movement between the said lever and the said tripping element.

17. In combination, a movable element, a brake for said element, a pivotally mounted latch for maintaining the brake ineffective, means tending normally to maintain the brake effective, a pivotally mounted indicator, a tripping element mounted upon the indicator for movement therewith and with respect thereto, means pivotally connecting the said tripping element with the said latch, whereby the movement of the said indicator will cause the tripping element to move therewith and about its point of pivotal connection with the latch, means whereby the said tripping element may be moved with respect to the said indicator to move the said latch about the pivot of the latter, and a base plate supporting all of said parts.

18. In combination, a movable element, a brake for said element, means tending normally to render said brake effective, a latch for holding the brake ineffective, a tripping element, an adjustable indicator, said trip ping element being movable with and with respect to the indicator, means for movingthe tripping element with respect to the in dicator to trip the latch to release the brake, and an arm connected with the brake for moving the brake into a position that the latch will become effective.

7 19. In combination, a movable element, a brake for said element, means tending normally to render said brake effective, a latch for holding the brake ineffective, a tripping element, an adjustable indicator, said tripping element being movable with and with respect to the indicator, means for moving the tripping element with respect to the indicator to trip the latch to release the brake,

and an arm connected with the brake and adapted to be operated upon by the SBCOHQ recited means for moving the brake into a position that the latch will become effective.

20. In combination, a movable element, a pivoted brake for said element, means tending normally to render said brake effective, a pivoted latch with which a portion of the brake cooperates whereby the brake will be held ineffective, a tripping element, an adjustable indicator, said tripping element being movable with and with respect to the indicator, means pivotally connecting the latch and tripping element, means for moving the tripping element with respect to the indicator to trip the latch, and an arm connected with the brake element for moving the brake element about its pivot to render the brake ineffective and the latch effective.

21. In combination, a movable element, a pivoted brake for said element, means tending normally to render said brake effective, a pivoted latch with Which a portion of the brake cooperates whereby the brake will be held ineffective, a tripping element, an adjustable indicator, said tripping element being movable with and with respect to the indicator, means pivotally connecting the latch and tripping element, means for moving the tripping element with respect to the indicator to trip the latch, and an arm connected with the brake element for moving the brake element about its pivot to render the brake ineffective and the latch effective, the last recited means embodying an arm carried by the tone arm and also operable upon the said arm to actuate the latter.

In testimony whereof I have signed my name to this specification, on this 12th day of April, A. D. 1920.

SAMUEL L. SCHIFF.

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