US1072145A - Friction reversing mechanism. - Google Patents

Description

Patented Sept. 2, 1913.

H. MOON & J. M. REYNOLDS. FRICTION REVERSING MECHANISM.

APPLICATION FILED NOV. II 1912.

171110072 4 JM fieyrzqiai g V I o Attorneys.

axamam IHJNOOHAIIII c0 H. MOON & J. M. REYNOLDS. FRICTION RLVERSING MECHANISM APPLICATION IILED NOVA, 1912.

Patented Sept. 2, 1913.

2 SHEETEPSHEBT 2.

16 JIM/mid);

lnventorJ Witnesses Attorneys lUNfTE @TATEg ATENT @FF HERMAN MGON AND JAMES M. REYNOLDS, OF GROVE CI TY, PENNSYLVANIfA.

FRICTION REVERSING MECHANISM.

rowers.

To all whom it may concern Be it known that we, l-lnnamn Moon and JAMES M. Rnnionns, citizens of the United States, residing at Grove City, in the county of ll lercer, State of Pennsylvania, have invented a new and useful lirietion Reversing Mechanism, of which the following is a specification.

The present invention relates to improvements in friction reversing mechanisms, the primary object of the invention being the provision of a mechanism to be used in connection with gas or steam engines, and especially adapted when the gas or steam engine is connected to operate drills for oil and water wells, the same being so constructed as to provide the necessary slow and steady movement during the drilling operation and to rapidly return the same after such operation.

A further object of the present invention is the provision of a novel form of friction reversing mechanism in which the motor power is connected directly for forward operation, the present mechanism being so connected as to readily transmit a reverse rotation from the motor power to the desired mechanism to be operated.

With the foregoing and other objects in view which will appear as the description proceeds, the invention resides in the combination and arrangement of parts and in the details of construction hereinafter described and claimed, it being understood that changes in the precise embodiment of the invention herein disclosed can be made within the scope of what is claimed without departing from the spirit of the invention.

In the drawings-higure 1. is a top plan view of the mechanism as applied to the crank shaft of an engine. liig. 2 is a section taken on line 2-2 of Fig. 1. Fig. 255 is an end elevation of the reversing mechanism. Fig. t is a section taken on line -fl---'lof Fig. 1. Fig. 5 an end elevation taken from the left as viewed in Fig. 1 of the compl cte mechanism.

Referring to the drawings, the numeral 1 designates the crank shaft of an explosive or steam engine carrying the balance or fly wheel 2, said shaft being extended beyond the fly wheel and having keyed upon the outer end thereof, the forward drive pulley 3, which is indicative of any form of power transmitting means. lvllounted upon the extended end of the shaft 1 between the pulley Specification of Letters Patent.

Application filed November 1, 1912.

Patented Sept. 2, 1913.

Serial No. 729,103.

3 and the fly wheel 2, is a sleeve 4; which carries the large friction disk 5 which is keyed or fastened to the fly wheel 2 by means of the bolt (3 and is provided with the angularly disposed friction surface 7. The reversing pulley or other power transmitting means 8 is rotatably mounted upon the extreme outer end of the sleeve 1, as clearly shown in Fig. 2, and has fastened thereto, by means of the bolts 9, the large friction wheel or disk 10, which is oppositely disposed to the friction disk or wheel 5 and of the same diameter and is provided with the inclined friction surface 1.1 which corre sponds with the friction surface 7 of the disk 5. It will thus be seen that when the shaft 1 is rotating, that the sleeve 4t will be rotated as will also the pulley 3, but as the pulley 8 and friction disk 10 is free to rotate upon the sleeve 3, the same will not transn'iit motion while the power is being transmitted from the pulley 3 to the drilling mechanism or in fact any other mechanism that it is desired to operate.

In order to provide a means for properly transmitting reverse rotation to the pulley 8, a base 12 is provided and carries the two upstanding standards or posts 1313, which constitute bearings for the respective shafts 15 and 1-1, said shafts being connected ti'igethcr at their inner ends by means of the U-shaped frame 16, which is properly sup ported against downward movement by means of the post 17 carried by the base 12 and the plate 18 carried at the upper end of the post 17. lvl ounted upon the respective shafts 15 and 14- and freely rotatable are the frusto-conimil friction rollers 1$)jl.t), which are disposed between the respective beveled surfaces 7 and 11 of the friction disks 5 and 10, and under normal conditions are out of contact therewith so that no power is transmitted from the disk 5 to the disk 11 it being necessary to actuate these disks through the shafts 1 1 and 15 so as to force the same frictionally between the respective inclined surfaces 7 and 1.1 so that power is transmitted from the fly wheel 2 and through the friction cones if) and 15) to the friction disk 11, said friction disk 11 being rotated in an opposite tllL'OCtlOll to the friction disk 5 so as to operate its pulley 8 in the opposite direction to the pulley 3, and thus transmit power in a reverse direc' tion to the mechanism to be affected. In order to accomplish this, a resilient support 20 is connected to the base 12 and carries at its upper free end, a sleeve 21, which has a plane face adjacent to the cone 19, while upon its opposite face is provided the cam or inclined edge 22 with the abrupt shouldered portion 28, its sleeve 24: being held against rotation by the resilient rod 20 and also permitted a slight movement longitudinally of the shaft 1 1 to affect the forc ing of the cone 19 between the respective inclined surfaces of the friction disks 5 and 10. The operating lever which consists of the two spaced arms 24 have their apertures 25 rotatably mounted upon the shaft 1 1 and straddle the upper end of the standard 13, said lever being operated to properly 0scillate the respective sleeves 26 and 27, the outer faces of Which are provided with corresponding cammed portions to engage the sleeve 21 to force the same to move the cone 19 into frictional engagement with the disks 5 and 10, and to force the cammed sleeve 28 which is keyed upon the shaft 1 1 by means of the screw 29 outwardly, thus imparting longitudinal movement to the shaft 14-, frame 16 and the shaft 15 so as topull the cone 19 in an opposite direction to the cone 19 and into frictional engagement between the disks 5 and 10 at a diametrically opposite point from the engagement of the cone 19 therewith.

WVhen the friction mechanism is out of operation and the pulley 3 is being operated directly, the lever 24 is in the position as shown in Fig. 5, and when it is desired to reverse the rotation of the belt (which is not shown), the lever 24 is moved to the dotted line position Fig. 5, actuating the shafts 14 and 15 as indicated to move the cone 19 into frictional engagement with the disks 5 and 10 and simultaneously actuating the sleeve 21 to throw the cone 19, into such engagement, thus transmitting the desired reverse rotation to the pulley 8. here a belt is used, it is desirable that the belt be shifted simultaneously with the movement of the lever 24 from the full to the dotted line position and vice versa, and in order to accomplish this, the belt engaging arm or shifter 30 is carried by the lever 24:. The

sleeve 31 is secured upon the shaft 15, and

as the shaft is moved longitudinally through the cam sleeves 27 and 28, this sleeve 31 abuts and forces the cone 19 into frictional engagement with the disks 5 and 10, and simultaneously with the movement of the cone 19 into such engagement.

hat is claimed is:

1. The combination with a driving shaft, and a power transmission means on the free end thereof, of a friction reversing mechanism including a sleeve fast to the shaft, a friction disk carried by said sleeve, a reverse transmission means rotatably mounted upon the sleeve, a friction disk carried by said last transmission means and opposed to the first mentioned friction disk, two oppositely disposed friction cones disposed between the friction disk, and means for moving the cones toward each other and into frictional engagement with the friction disks to transmit reverse rotation from one disk to the other.

2. The combination with a driving shaft, and a power transmission means on the free end thereof, of a friction reversing mechanism including a sleeve fast to the shaft, a friction disk carried by said sleeve, a reverse transmission means rotatably mounted upon the sleeve, a friction disk carried by said last mentioned means and opposed to the first mentioned friction disk, two oppositely disposed friction'cones disposed between the friction disks, two longitudinally slidable shafts connected for movement in unison and disposed transversely of and between the friction disks, two friction cones,

one to each slidable shaft, rotatably and slidably mounted upon said slidable shafts and between the friction disks, and means for sliding the two shafts to effect the movement of the friction cones into engagement with the friction disks.

3. The combination with a driving shaft, and a power transmission means on the free end thereof, of a friction reversing mechanism including a sleeve fast to the shaft,a

friction disk carried by said sleeve, a reverse transmission means rotatably mounted upon the sleeve, a friction disk carried by said last transmission means and opposed to the first mentioned friction disk, two oppositely disposed friction cones disposed between the friction disks, two longitudinally slidable shafts connected for simul taneous sliding movement and mounted transversely of and between the friction disks, two friction cones, one to each slidable shaft, mounted upon said slidable shafts and opposed at diametrically opposite points to the friction disks, two cone engaging means mounted upon the two slidable shafts for moving respective cones toward each other and into frictional engagement with the friction disks, and manually operated means for sliding the two shafts to operate one of said cone engaging means and for sliding the other of said cone engaging means to move the cones toward each other sitely disposed friction cones disposed between the friction disks, a supporting frame mounted transversely of and upon opposite sides of the friction disks, two shafts journaled in said frame for sliding movement and connected for movement in unison, a friction cone mounted slidaloly and rotataloly upon the respective shafts and disposed for engagement with the friction disks at diametrically opposite points, a cam sleeve slidably mounted upon one of the shafts and disposed for operating the cone mounted upon the same shaft, another cam sleeve keyed upon the same shaft and in spaced relation to the first cam sleeve, and two manually operated oppositely disposed cam sleeves mounted upon the shafts between the two first mentioned cam sleeves whereby the movement thereof Wlll slide one cone into engagement with the friction 20 as our own, we have hereto aflixed our sig- 25 natures in the presence of two witnesses.

HERMAN MOON. JAMES M. REYNOLDS.

Witnesses LOUISE SPEARS, O. H. TEBAY.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of latents, Washington, D. G.

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