US1473476A - Governor for spring motors - Google Patents

Description

Ndv. 6, 1923. 1,473,476

I E. 'ELLIGAN GOVERNOR EOR SPRING MOTORS Filed April 23 1921 k 5 4 I 24 l I jarmlyaig Patented Nov. 6, 1923.

NITED ST EARLnLLIeAiv, OF CHICAGO, ILLInoIs.

GOVERNOR FOR SPRING MOTORS.

Application filed April 23,1921; Serial 110,4 3,375,

T aZZ whom it may concern.

Be it known that 1,] EARL ELLIGAN, a citizen of the United States of America, residing at Chicago,'in the county of Cook and State of Illinois, have invented new and useful Improvementsin Governors for Spring Motors, of which the following is a specification. I

The object of the invention is to provide a construction. of governor adapted for use in connection with spring motors by which a protracted, uniform and moderate speed of rotation of a driven gear or rotary element may be effected to adapt the same for operation of a fan, phonograph or like apparatus under conditions approximating in cfficiency those which obtain when electrical motors are employed, and furthermore to provide in connection with a device of this class means whereby the speed of rotation of the driven element may be readily regulated to suit the function to be performed or the apparatus to be driven; and with these objects in view the invention consists in a construction and combination of parts of which a preferred mbodiment is shown in the drawing, wherein Figure l is a plan view of a conventional form of spring motor having a governor mechanism constructed in accordance with the invention.

Figure 2 is a sectional view of the governor and related parts on the plane in dicated by the line 2-2 of Figure 1.

Figure 3 is a diagrammatic view illustrating the run-way or track and the normal relative positions of the plungers thereon.

The governor mechanism is applied to a driven disk or wheel forming the terminal element of a train of gears 11 actuated from a spring drum 12 which may embody any desired construction and arrangement suitable to the apparatus for which the motor is designed, and said terminal or driven disk or element is provided with an annular corrugated run-way or track 13 mp resenting a continuous series of alternately arranged rounded crests 13 and valleys 13 for engagement by yieldingly actuated hearing pins or plungers 14 having frictional shoes 15 of leather, rubber or like material, said bearing pins or plungers preferably eing carried by a follower 16 in guides 17 disposed perpendicular to the plane of the driven disk or element, and the number of the bearing pins or plungers, in the con- *nected.

struction illustrated, corresponding with half the combined number ofcrests and valleys in the corrugatedrun-wayor track, so that in the rotation of the driven disk-or element one-half of the number of bearing pins or plungers are in engagement with the crests of saidrun-way while the remaining pins or plungers are inengagement with the valleys or depressions thereof;

As illustrated the bearing pins or plungers are actuated by springs 1'7" serving to cause a yielding contact of the shoes with the surfaceof the run-way, and mounted in a suitable frame 18 is a regulating-screw 19 having a threaded engagement with the follower 16 and serving by variation in the position of said follower in a path perpen dicular to the driven disk or wheel to modify 1 the tension'of the actuating springs and thus the resistance offered to the rotary movement of the said disk or wheel. Also guide 7 pins 20 are carried by the frame 18 in engagement with the follower to direct the movement of the latter and prevent rotation thereof. 7

It will be obvious that the stress ofcontact of the shoes of the bearing pins or plungers with the surface of the run-way may be modified to permit-any required speed of rotation of the driven disk or element, and by using a drum contained driving spring and a relatively long train of speed mult1- plying gears, it is possible to provide a motor which will operate fora length of time adapting it for any purposes to which motors of the electrical and other types may be applied, without depending upon outside energy for the motive force, and hence adapting a motor of the spring type to be efliciently employed where electrical and like power is not available,

The hub 21 representing an element of the motor which is to be governed is preferably provided with an extension rod 22 fitting rcvolubly in a socket 23 in the end of the tubular nut 24 which is engaged by' the regulating screw 19 to serve asa guide or additional means for steadying the follower ring 16 with which said nut is rigidly con- Having described the invention, what is claimed as new. and useful is 1. A governor for motors having, in combination with a rotary driven disk, an an? nular corrugated run-way movable 'with', said disk and provided with alternately dis posedlfqunded crests and valleys, an annular follower being concentricallydisposed with reference to said run-way and formed in the edge facing the run-way with guides disposed perpendicular to the driven disk, bearing plungers yieldingly mounted in said guides and provided with frictional shoes engaging said run-way, the said plungers being so disposed that alternate. ones engage the-crests, while the intervening ones engage the valleys. V

A governor for" motors having, in combination with a rotQrydrive-n disk. an annular corrugated run-way movable with said disk and provided with alternately disposed rounded crests and valleys, ,an annular follower dimensioned according tosaid runwa v and disposed in axial alignment gages a crest, the adjacent one engaging a valley, a regulatmgscrew mounted in sald frame and atubular nut carried by said follower and engaged by said regulating screw said nut being provided with a socket forengagement with the shaft extension of the disk driving means, the regulating screw providing for adjustment of the follower toward andaway from the run-way.

In testimony whereof hea'flixes his signature.

EARL ELLIGAN.

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