US1379140A - Spring-motor - Google Patents

Description

A. VASSELLI.

SPRING MOTOR.

APPLICATION FILED JUNE 17, 1M8.

I v i Z i l l I [HI/em;

flllarneya A. VASSELLI.

SPRING MOTOR.

APPLlCATlON FILED JUNEH. 191s.

1,37%140. Patented May24,1921.

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UNITED STATES PATENT OFFIQE.

ANTHONY VASSELLI, 0F NEWARK, NEW JERSEY, ASSIGNOR, BY MESNE 'ASSIGN MENTS, TO HARRIMAN NATIONAL BANK OF THE CITY OF NEW YORK, TRUS- TEE.

SIBING-MOTOR.

Application filed June 17,

To all whom it may concern:

Be it known that I, ANTHONY VAssnLLr, a citizen of the United States, and a resident of the city of Newark, county of Essex, and State of New Jersey, have invented a certain new and useful Improvement in Spring-Motors, of which the following is a specification.

My invention relates to spring motors, and more particularly to that type of such motors as are employed in disk record talking machines.

The objects of my invention are to provide a spring motor of small size; of compact arrangement; which will be noiseless in operation; which will have few parts; which will be cheap to construct; in which the speed ratio between the spring shaft and the turntable spindle may be changed; and by means of which a greater difference in speed of the spring shaft relatively to the turntable shaft is obtained, whereby more powerful springs may be employed and the duration of run of the turn-table greatly increased.

A further object of my invention is to produce a device of the character herein described, which will be simple in character, easy to manufacture, effective in operation, and in the construction of which materials may be used which will greatly reduce the cost of production without in any way affecting the eiiiciency, quality or usefulness of the structure.

A further object of the invention is the provision of means for a spring motor, of the character herein described, which are eX- tremely simple in construction, neat and attractive in appearance, thoroughly reliable and eflicient in its purpose, and economical to manufacture.

With these and other objects in view to be more fully set forth hereinafter, the invention consists in the novel construction, combination of elements, and arrangement of parts which will be exemplified in the construction hereinafter described in thespecifications and illustrated in the accompanying drawings considered together or separately.

The inventive idea involved is capableiof receiving a variety of mechanical expressions one of which for the purpose of illustrating the invention, is shown in the accompanying drawings.

"The invention. will be first described in.

Specification of Letters Patent.

Serial No. 240,368.

connection with the accompanying drawings, wherein similar reference characters are used to designate correspondingparts throughout the several views, and then more specifically defined and indicated in the appended claims. 7

In the drawings- 7 Figure 1 is a horizontal sectional view of a spring motor embodying my invention, the section being taken on, the line 1 1 of Fig. 2;

Fig. 2 is a transverse section on the line 2-2 of Fig. 1;

Fig. 3 is a detail sectional view of the winding pawl; and Fig. 4 is a detail view of the spring shaft bearing.

In carrying out my invention, I provide a motor frame comprising a base 1 provided with depending lugs 2, 8, 4, 5 and 6, and a plate 7 secured to the lower extremities of the lugs 3 and 6.

The lug 2 is provided with a vertical groove 8 in its outer face, and a bracket 9 is secured by means of a single bolt 10 to the lug. The bracket is provided with a fin 11 which engages the groove and prevents the bracket from pivoting on the bolt 10.

Mounted in the free extremity of the bracket 9 and in the lug 5 is a spring shaft l2, which carries a spring or. springs in a two-part spring barrel 13. Carried on the shaft 12 is a spur gear 14 which meshes with a pinion 15 carried on a winding shaft 16 journaled in the lugs 5 and 6. The outer extremity of the shaft 16 is threaded for the reception of the usual winding crank.

The spring shaft carries a ratchet wheel 17 cooperating with a pawl 18 loosely mounted on the winding shaft. A leaf spring 19 is carried by the pawl, and bears against a collar 20 rigidly secured to the shaft 16. When the shaft 16 is rotated in the clockwise direction, the friction of the spring 19 on the collar 20 will rotate the pawl and swing its point out of the path of the teeth of the ratchet wheel 17 A stop 21 carried by the pawl, is adapted to engage the side of the lug 5' and prevent further rotation of the pawl. The driving spring within the barrel 13 will now be wound, and the pawl, being out of engagement with the ratchet teeth, will eliminate any chattering sound or noise.

When the w g perati n ceases, and

Patented May 24, 1921.

the driving spring is allowed to unwind, it will rotate the shaft 16 in the counter clockwise direction, and the engagement of the spring 19 with the collar 20 will rotate the pawl in'that direction until its point -en-.

gages the ratchet teeth, and thereby arrest tlie backward rotation of the shafts..12 and 16.

The unwindingof the springin the bar rel 13 will rotatea worm wheel 22 carrled on the shaft 12. The worm wheel engages and drives a worm 28 on a vertical counter shaft 24 journaledin the base 1 and the plate 7. The worm shaft carries a removable spur gear 2 L, preferably Composed of chine turn-table.

The turn-table shaft carries a worm wheel 27 which meshes with and drives a worm 28 and the turn-table shaft 26 on a horizontal governor shaft 29, upon which is a governor 30, the same comprising the usual balls and a sliding disk 31, coopcrating with a brake shoe 32, whereby the speed of the motor may be regulated as is common. y Y 7 A shaft 33 is journaled in the base 1, and carries a brake shoe 34: which cooperates with the periphery of the disk 31. The shaft 33 extends upward through the motor board (not shown), to which the base 1 is attached, and is provided with means whereby the brake shoe may be applied to the'disk to arrest the rotation of the motor.

The'worms 23 and 28 are preferably made by cutting a double spiral. thread in the shafts 24 and 29, and then winding sections of hardened and polished piano wire. around the shafts and engaging the grooves.

In one embodiment of the invention illustrated, the gear ratio between the worm 22 is 1 to 40, that is to say, for one revolution of the worm" 22 the turn-table will be rotated 40 times; If a stronger springisused in the barrel- 1.3,it will naturally unwind faster and thereby @drive the turn-table at a higher rate of When a stronger spri is employed,

speed.

different ratio are substituted for gears of.

the gears 24 and 25 The use of the worm drive through an intermediate shaft, between the motor spring and the turn-table shaft,makes it possible to get the relatively great difference in speed between the motor spring and the turntable without the employment of a long gear train, or a very'long vertical turn-table shaft as in theVictor type-ofmotor employing a worm on the turn-table shaft, and at the same time greatly reduces the size of the motor as a whole, and makes a more compact structure,

. By the construction of a motor as herein described, I have discovered that I can secure a very quietly running motor in which chattering and noises are eliminated, and that I have a more compact motor than one which employs a worm drive table shaft without the use of theinterme- (hate or counter-shaft worm mechanism herein mentioned.

Having now described my invention, what I claim and desire to secure by Letters Patcut is as follows:

. l. A spring motor comprising a worm wheel rotated by the, unwinding of the spring, a counter shaft at right angles to the worm'wheel shaft."a worm on thc counter shaft, a removable non-metallic spur gear on the turn- 7 on the counter shaft, a turn-table shaft, and 1 a removable spur gear wheel on the turntable shaft in mesh with the non-metallic.

gear.

2. spring motor com rising a worm wheel" rotated by the unwinding of the spring, a counter shaft at right angles to the worm wheel shaft, a worm on. the counter shaft, a non-metallicspur gear on the counter shaft, a turn-table shaft, and a spur gear wheel on the turn-table shaft in mesh with the non-metallic gear, a worm on the turntable shaft, said worm engaging and driving a worm on a governor shaft parallel to the spring shaft, governor on the governor shaft, adjustable stop for regulating the speed of the motor, and a separate brake for arresting the unwinding of the spring; g 3.,1-1 spring motor comprising a spring shaft, a winding shaft, said shafts being ea together, a ratchet on the spring shaft, a pawl carried by the winding shaft, and adapted to engage the ratchet, there being frictional engagement betweenwinding shaft and pawl, whereby the pawl may rotate with the shaft, or rotate relatively thereto. r

4-. A spring motor comprising a spring shaft and winding shaft geared together, a ratchet wheel on the spring shaft, a pawl 5. A spring motor comprising a spring shaft and a winding shaft geared together ratchet wheel onthe s'prlng'shaft, a pawl carried by the w nding shaft and adapted to co'tiperate with the ratchet wheel, a spring carriedfiby the pawl and engaging a collar on the shaft. whereby the pawl may rotate with the shaft, or rotate relatively thereto.- Grih spring motor comprising a, bas

lug depending from the base, there. being a groove in the lug, a, bracket engaging the lug, a fin orwing at oneend of the bracket engaging'the groove, a bolt passing through the bracket and lug, a second lug depending from the base, and a spring barrel journaled at one end in the second lu and at the opposite end in the free end of the bracket.

A spring motor comprising a frame having depending lugs, a spring shaft, a spring barrel on said shaft, a winding shaft, the said shafts being geared together, a ratchet on the spring shaft, a pawl carried by the winding shaft and adapted to engage the ratchet, a worm wheel on the spring shaft, a counter shaft carrying a worm adapted to engage the worm wheel on the spring shaft, a spur gear on said counter shaft, a turn-table shaft having a spur gear and a worm wheel, said spur gear meshing with the spur gear on the counter shaft, a governor shaft, a worm on said shaft engaging the worm wheel on the turn-table shaft, a governor and a governor disk, and means operatable from a distance for arresting the unwinding of the spring.

8. A spring motor comprising a frame having depending lugs, a spring shaft, a

spripg barrel on said shaft, a winding shaft, the said shafts being geared together, a ratchet on the spring shaft, a pawl carried by the winding shaft and adapted to engage the ratchet, a worm wheel on the spring shaft, a counter shaft carrying a worm adapted to engage the worm wheel on the spring shaft, a spur gear on said counter shaft, a turn-table shaft having a spur gear and a worm wheel, said spur gear meshing with the spur gear on the counter shaft, a governor shaft, a worm on said shaft engaging the worm wheel on the turn-table shaft, a governor and a governor disk, an adjustable stop for regulating the speed of the motor, and a brake for arresting the unwinding of the spring.

This specification signed and witnessed this 28th day of May, 1918,

ANTHONY VASSELLI.

WVitnesses JOHN L. LOTSCH, M. Jones.

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