US836601A - Power-transmitting mechanism. - Google Patents

Description

PATENTED NOV. 20, 1906.

J. L. NELSON. POWER TRANSMITTING MECHANISM.

APPLICATION FILED MAR. B. 1905.

2 SHEETS-SHEET 1v WITNESSES: (M

ATTOPNEYS PATENTED NOV. 20, 1906.

J. L. NELSON. POWER TRANSMITTINGMECHANISM.

I APPLICATION FILED MAILB, 1905.

2 SHEETS-SHEET 2 INVENTOR ATTORIVEKS UNITED STATES PATENT oFFIoE.

JOHN L. NELSON. or COLONA, COLORADO. POWER-TRANSMITTING MECHANISM.

Specification of Letters Patent.

Patented Nov. 20, 1906.

. Application filed March 9,1905. Serial No. 248.960.

To all whom it miwy concern.-

Be it known that I, JOHN L. NELSON, a citizen of the United States, and a resident of Colona, in the county of Ouray and State of Colorado, have invented a new and Improved Power-Transmitting Mechanism, of which the following is a full, clear, and exact description.

My invention relates to mechanisms for transmitting power, its principal object being to provlde means for overcoming deadcenters. I l

It consists in the various features and combinations hereinafter described and claimed.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.

Figure 1 shows one embodiment of my invention in side elevation. Fig. 2 is a vertical transverse section therethrough on the line 2 2 of Fig. 1, and Fig. 3 is an end elevation of the supporting-frame and power-applying mechanlsm.

10 designates a frame furnishing a support for the moving elements of the mechanism, which has at each side a rail 1 1 for carrying a weight A. This weight may consist of a box 12, filled with any-stable material 13, such as stone set in cement, lead, or the like. The weight is mounted to'rock upon the rails by depending side pieces 14 1 1, having curved contact-faces 15. To prevent lateral movement of the weight u on the support, the latter may have upward? -projectingcheeks 16, and longitudinal displacement is avoided by teeth17, formed upon the inside of the side pieces and engaging rack-teeth 18 upon the upper faces of the rail-cheeks. The rocking weight may be poised to secure a normally horizontal. position by balance-Weights 19, carried by rods 20, extending longitudinally of the box and being fixed thereon by brackets 21. Each weight is shown as having a set-screwv 22, by which it may be fixed in its adjusted position upon the rod.

At one end of the frame is journaled a shaft 23, upon which are shown fast and loose pulleys 24, connected by a belt 25 with the motor, the dead-centers of which are to be overcome. Upon each end of this shaft is fixed a pinion 26, meshing with a gear 27 upon the adjacent end of a transverse shaft 28, rotatable in the frame. From each of these gears projects a crank-pin 29, which is joined by a connecting-rod 30 to a pivot-pin 31, extendthe rig t of Fig. 1.

ism, which in the resent instance is shown,

as consisting of a p urality of umps 35.

The connection between tiie prime motor and the transmitting mechanism is such that when the former is exerting its maximum effeet the crank-pins of the gears 27 will be moving, for example, downwardly from the position shown in full lines in Fig. 1 of the drawin s to positions removed ninety deees t erefrom, the weight assuming the ower osition, as indicated in dotted lines at Then. as the motor passes one of its dead-centers the crank-pins are traveling throu h the succeeding ninety degrees, during wiich the imbalanced weight restores itself to its horizontal position, supplying force to carry the motor over the center. A similar effect is secured during the remaining half of the revolutionof the crankpins, the weight A being raised by the connecting-rod during the first quarter and then exerting its force during the last quarter to carry the motor by the center. The power thus transmittedto and-developed by the weight is taken off the pivot-pins 32, thus securing the maximum leverage of the weight and making two strokes for each stroke of the connecting-rod .30.

Having thus described my invention, I claim as new and desire to secure by Letters Patent- 1. A power-transmitting mechanism comprising a su port, a weight having a. curved contact-su ace to rock upon the support, means for applying power to the weight near one end, and power-receiving apparatus connected with the weight in a plane through the vertical-center thereof.

2. A power-transmitting mechanism comprising a support, a weight having a curved contact-surface to rock upon the support, means for applying power to the weight near one end, pins projecting from the sides of the weight in a plane through the Vertical center thereof, links depending from the pins, a shaft connecting the links, and power-receiving mechanism joined to the shaft.

3. A power-transmitting mechanism coni- I-lO I prising a :FfppOIil, a weight having a curved weight; a balance-weight movable upon the contact-s intermes the sides of the we g ce to rock upon the su port, rod, means for applying power to the weight said sup ort and weight being provide with near one end, and power-receiving ap aratus I 5 h n teeth, means for a lying connected with the weight ina plane t ough 7 power to t e weight near 'one end? an the vertical center thereof. Y power-receiving ap aratus connected with In'testimony whereof I have signed my it in a plane through the name to this specification-in the presence of vertical center thereof. two subscribing witnesses. a, p I Y 4. A power-transmitting mechanism com- JOHN L. NELSON. prising a su port, a weight having. a curved Witnesses: contact-s ace to rock upon the support, a l JAMES BULLINGTON, rod extending longitudinally of the rocking i EDGAR A Ho'rcHKIss.

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