US2706614A - Puller - Google Patents

Description

April 19, 1955 T. J. GILBERT FULLER 2 Sheets-Sheet 1 Filed Aug. 20, 1951 April 19, 1955 'r. J. GILBERT FULLER 2 Sheets-Sheet 2 Filed Aug. 20, 1951 v C rwencor United States Patent PULLER Thomas J. Gilbert, Dayton, Ohio Application August 20, 1951, Serial No. 242,717

17 Claims. (Cl. 254-464) My invention relates to a cable winch of the type wherein a cable is wound on a spool by means of a lever and is used for pulling loads onto trucks, pulling trees, or anything of a similar nature wherein a considerable mechanical advantage is needed in lifting or moving heavy loads.

One end of the winch is generally anchored to a fixed support, such as a tree or a post and a wire cable or rope wound upon the spool is payed out and connected to the load to be moved. The cable is then rewound on the drum by oscillating a handle which rotates a drum to rewind the cable thereon.

While cable winches of this general type are quite old, my present device has several novel features which result in a more efiicient, compact and simple winch which may be easily transported from place to place and used wherever it is necessary to apply a mechanical advantage to lift or move a heavy load.

The object of the invention is to improve the construction as well as the means and mode of operation of cable winches, whereby they may not only be economically and easily manufactured, but will be more efiicient and satisfactory in use, adaptable to a wide variety of applications, have relatively few parts and be unlikely to get out of repair.

It is a further object of the invention to provide a cable winch wherein the oscillation of the handle rotates the spool by means of a pawl engaging ratchet teeth on the side or end of the spool itself so that the ratchet teeth are to a great extent enclosed and protected from dirt or gravel which would tend to force the pawl out of engagement with the teeth or bind the same.

It is a further object of the invention to provide a cable winch wherein the winding spool may be freed or released from the actuating handle by merely moving the actuating handle to an extreme position.

It is a further object of the invention to provide safety means for preventing the accidental movement of the handle to this extreme position and thus freeing or releasing the spool.

A further object of the invention is to provide a pawl which upon engagement with the ratchet teeth is backed up by a strong abutment so as to remove the load on the pawl from the pawl pintle and transfer it through the pawl to the abutment thus strengthening the winch at what is usually the weakest portion, that is, the pintle upon which the ratchet engaging pawl is mounted.

Another object of the invention is to provide a foot brake in connection with the cable spool which is positive in its action and may be locked at any predetermined position either when the actuating lever is in operative position or when the spool has been released from the actuating mechanism by moving the actuating mechanism to an extreme position.

A further object of the invention is to provide a cable winch having all the advantages set forth above which is relatively light in weight, yetvery strong in construction and while being easily portable, provides a definite mechanical advantage and is positive and smooth in its action.

A further object of the invention is to provide a cable winch having the advantageous structural features, the inherent meritorious characteristics and the mode of operation herein mentioned.

With the above primary and other incidental objects in view as will more fully appear in the specification, the invention intended to be protected by Letters Patent consists of the features of construction, the parts and combinations thereof, and the mode of operation, as hereinafter described or illustrated in the accompanying drawings, or their equivalents.

Referring to the accompanying drawings, wherein is found the preferred but obviously not necessarily the only form of embodiment of the invention,

Fig. 1 is a top plan view of a cable winch embodying the invention;

Fig. 2 is a side elevation thereof with the yoke oscillated further to the right.

Fig. 3 is a sectional view taken on the section line 3-3 of Fig. 2 showing the pawl releasing mechanism.

Fig. 4 is a sectional view of the ratchet teeth mounted on the sides or ends of the cable winding spool;

Fig. 5 is an end view of the cable winch taken from the right of Fig. 1.

Fig. 6 is an end elevation of the cable winding spool itself showing the internal braking mechanism and a portion of the handle yoke.

Fig. 7 is a plan view of a modified split cable winding spool.

Fig. 8 is a cross section of a portion of the ratchet teeth in the modified spool shown in Fig. 7.

Like parts are indicated by similar characters of reference throughout the several views.

Briefly, in the practice of my invention there is provided a cable winding spool journaled in a frame. Embracing the spool sides is a handle carrying yoke which is oscillatable around the periphery of the spool. An annular series of ratchet teeth are mounted in each of the sides of the spool and pawls which are resiliently urged into engagement with the ratchet teeth are mounted on the yoke so that the yoke is oscillated in one direction, the spool will be rotated and the cable wound thereon, while oscillation in the opposite direction will result in the pawls overriding the ratchet teeth. I also provide a set of pawls in the frame in engagement with the ratchet teeth for preventing retrograde movement of the spool during the time the yoke is oscillated in its free or non-winding direction.

In order to release the spool for free rotation in either direction, means are provided on the yoke and the frame which upon engagement by an extreme movement of the yoke forces both sets of pawls out of engagement with the ratchet teeth. In order to prevent accidental extreme movement of the yoke and the disengagement of the pawls, a movable abutment is provided on the yoke which in one position contacts the frame and prevents the engagement of the pawl releasing means, but upon another position permits their engagement.

On each side of the spool and within the annular series of ratchet teeth, a brake drum is provided which encloses a pair of brake shoes pivoted to the frame. A cam is provided for actuating the brake shoes into engagement with the brake drum upon rotating an internal shaft. This shaft is rotated and the brake operated by depressing a foot lever or brake pedal which has a pawl riding on a serrated plate or rack so as to hold the brake pedal and brake in the position to which it is forced. A separate pedal incorporated in the brake pedal is also provided to release the pawl and rack and permit disengagement of the brake.

The pawls mounted on the yoke for operating the spool as well as the pawls for preventing retrograde move ment of the spool are elongated and pintled substantially midway their ends. One end includes a spring urged tooth engaging portion, while the other end has a cam surface. An abutment is provided behind the cam surface of the pawls and in such a position that when the pawls are in tooth engaging position, thecam surface of the tail contacts the abutment, thus taking the load borne by the pawls off the pintle and on to the abutment.

Referring to the drawings, I provide a framework having the side portions 1 and joined together at one end by a member 2 and at the other end by a member 3. The frame has a base portion of feet 4 which preferably carries slots 5 so the frame may be bolted or screwed to a surface. A hook 6 is pivotally secured on the end member 2 so the frame may be chained or fastened to a post or tree, if desired.

An idling roller 7 is mounted in the end piece 3 on a shaft 7' which ties that end of the side members 1 together. The cable to which the load is attached passes under this guide roller 7 and is secured to the cable winding spool 8 which is rotatably journaled in the side members 1 of the frame.

For the purpose of rotating the spool 8 so as to wind the cable thereon, a yoke 9 is provided having a handle socket 10. The yoke 9 has two downwardly projecting arms 11 which embrace, but are slightly spaced from, the spool sides or ends 12. The ends of the arms 11 terminate in bands 11 which are journaled upon brake drums 26 carried by the sides of the spool for concentric rotation about the shaft carrying the spool 8. Thus the yoke 9 may be oscillated about the periphery of the spool 8, as may be seen in Figures 2 and 6.

On each of the sides 12 of the spool 8 is an annular series of ratchet teeth 13 and located on the inner side of the arms 11 of the yoke 9 are pawls generally shown at 14. The pawls 14 have a tooth engaglng portion 15 which is spring urged tinto contact with the ratchet teeth 13. From the above, it is apparent that upon clockwise oscillation of the yoke 9 the pawls 14 will rotate the winding spool 8 in a clockwise direction in reference to Figs. 1 and 2, while a counterclockwise movement or oscillation of the yoke 9 will permit the pawls 14 to override the teeth 13.

In order to prevent retrograde movement of the spool 8 at any time pawls, generally shown at 16, are mounted on the frame 1 so as to engage the teeth 13 and prevent counterclockwise movement of the spool 8.

From the above it is apparent that the winch is driven by to and fro oscillation of a handle carried by the socket in the yoke 9. Upon movement of the handle to the right or clockwise, the spool 8 is rotated clockwise, winding the cable in and upon the spool. In this motion the pawls 14 are in engagement with the teeth 13, while the pawls 16 mounted on the frame 1 override the teeth 13. When the handle and yoke 9 is moved to the left, the spool 8 is prevented from reverse rotation by the pawls 16 and the pawls 14 override the teeth 13.

The pawls 14 and 16 are of a special construction, as may be seen in Fig. 3. They are formed of an elongated piece of material with a tooth engaging portion and 16' at one end. They are mounted on pintles 17 substantially midway their length so that a tail piece 18 is substantially diametrically opposite the tooth engaging portion 15. An abutment 19 is positioned behind the tail piece 18 of the pawl and the terminal of the tail piece 18 carries a cam surface so that when the tooth engaging portion of the pawl is in tooth engaging position, the cam surface of the tail piece 18 is in contact with the abutment 19. On the other hand, the cam surface is so shaped that when the pawl is out of tooth engaging position or in its retracted position, the cam surface of the tail piece 18 is free of the abutment 19.

From the above it is apparent that when the pawls 14 and 16 are engaging a tooth, the load borne by the pawls is transferred from the pintle 17 to the abutment 19. This construction permits the use of relatively light pintles 17, since the load is not borne by the pintle when the pawl is in engagement with the tooth and bearing a load.

In order to release the spool from engagement with the yoke 9 or the frame 1 and permit its free rotation in either direction, means is provided on the yoke and the frame which contact and cooperate with each other when the yoke 9 is moved to its extreme clockwise position. This means consists of rods 20 and 21 slidably journaled in sleeves which are preferably a portion of the abutment 19 (see Fig. 3). These rods 20 and 21 are positioned in their journals with a cam surface in alignment with a portion of the cam surface on the tail end 18 of the pawls 14 and 16. In the case of the rod 20, the end 20' is beveled and in the case of the rod 21 a portion 21 is cut out so as to accommodate the tail 18. There is a projecting end 22 on each of the rods 20 and 21 and these projections are in circumferential alignment so that when the yoke 9 is moved to its extreme clockwise position, the two rod ends 22 will contact and both rod 20 and rod 21 will be forced into its journal and the cam followers 20' and 21' will act upon the cam surface or the tails 18 of the pawls and retract the same (see Figs. 2 and 3). Rods 20 and 21 are normally maintained in the position shown in Fig. 3 by means of the spring biased pawls 14 and 16 so that when the ends 22 are out of contact, both pawls 14 and 16 are spring urged to tooth engaging position which they resiliently maintain at all times, unless the rods 20 and 21 are retracted.

Referring to Fig. 2, it should be noted that the yoke 9 is shown almost in its extreme right clockwise position and the ends 22 of the rods 20 and 21 are just in contact. Upon further movement of the yoke 9 to the right, these rods 20 and 21 would be forced inwardly and the pawls 14 and 16 would be retracted from tooth engaging position.

Referring to Fig. 2, the circumferential alignment of the pin ends 22 will be noted.

In order to prevent the accidental movement of the yoke 9 to its extreme right position and the withdrawal of pawls 14 and 16 from tooth engaging position, a safety guard is utilized which is best shown in Figs. 5 and 6 and which consists of a wire bale 23. This wire 23 is mounted on the yoke 9 by means of a bracket 24 at each end of the yoke 9. The ends of the wire which project beyond the bracket 24 are bent in the form of an abutment or loop 25. By turning the wire 23 in the brackets 24, the loops 25 may be made to project outwardly from the yoke 9 as shown in Fig. 6. In this position they form an abutment which will contact the frame 1 when the yoke 9 is moved to the right before the rod ends 22 are depressed, thus preventing the extreme clockwise movement of the yoke 9 which would actuate the rods 20 and 21 and release the pawls 14 and 16. However, when the loops 25 are moved downwardly or to the position shown in Fig. 5, they are out of the way and no longer form an abutment and permit the yoke 9 to be moved to its extreme position, thus resulting in the withdrawal of the pawls 14 and 15 from tooth engaging position.

In order to provide a control over the spool 8 when the pawls 14 and 16 are retracted and the spool is free running, a manually controlled brake is incorporated. The brake consists of a brake drum 26 fastened to each side 12 of the spool 8 (see Figs. 1 and 6). Within the brake drum 26 are a pair of brake shoes 27 which are pivoted at 28 in the usual manner to the frame 1. A shaft 29 runs through the core of the spool 8 and carries a brake actuating cam 30 within the brake assemblies, as shown in Fig. 6. This brake is of a well-known type and it is apparent that when the shaft 29 is rotated clockwise in Fig. 6, the brake elements 27 will move outwardly and apply the shoe itself to the interior of the brake drum 26 and slow down or stop rotation of the spool 8 in either direction.

Keyed to the ends of shaft 29 and outside of the frame 1 is a foot treadle 31 and a hand lever 31' for rotating the shaft 29 as described above. Preferably the foot treadle 31 has a pawl arm 32 which rides over a rack 33 and locks the brake pedal 31 in the position to which it is moved. To release the braking mechanism and the foot treadle 31, a release link 34 is incorporated (see Fig. 2), which upon actuation removes the pawl 32 from the rack 33 and permits the treadle 31 to return to its normal brake released position, the treadle 31 being spring urged to its non-braking position.

From the above it is apparent that the operator has complete control over the rotation of the spool 8 in either direction by means of the foot treadle 31 or hand lever 31' and the brake latching pawl 32, even though the pawls 14 and 16 are disengaged from the ratchet teeth 13. In some cases where it is desirable, the braking mechanism may also be used with the pawls 14 and 16 in tooth engaging position.

As a modification a split or double spool 35 and 36 may be mounted on a common shaft, but disconnected from each other. so as to freely rotate independently in either direction. The annular series of ratchet teeth on one of the spools, as an example 35, is in one direction as in 37, while the ratchet teeth on the side of the other spool 36 is reversed as in 38. In this case, the pawls 14 which are mounted on the arms 11 of the yoke 9 are positioned to engage and actuate the ratchet teeth 37 and 38. In other words, one pawl is reversed in reference to the other. By this construction, as the yoke is oscillated right and left, spool 35 is rotated in one direction, while spool 36 is the reverse direction.

In this case, the pawls 16 which prevent retrograde movement are also positioned so as to accommodate the teeth which they are designed to engage, i. e., one is reversed in reference to the other.

By the above modified construction, balanced or measured oscillation of the handle moving the yoke 9 will take in cable from opposite directions uniformly. In this modification with the split spool, it may be desirable to provide a second guide roller similar to 7 on the opposite side of the winch and to form the rear end 2 similar to the front end 3.

From the above it is apparent that there is provided a cable winch which is extremely simple and rugged in construction but wherein a great mechanical advantage is gained in its operation, as well as flexibility in its control. The ratchet teeth are on the sides or faces of the spool ends instead of the periphery, thus preventing the accumulation of dirt in the pawls and teeth and the very real danger of catching material such as clothing in the teeth during operation of the winch.

The spool of the winch is easily and quickly freed for rotation in either direction by merely moving the operating handle to a terminal position and when this is done the movement of the spool may be carefully and positively controlled by the brake, which in turn is actuated by a foot treadle. The foot treadle may be depressed just sufliciently to slow down the rotation of the spool and held in that position, or it may be brought fully down and the rotation of the spool stopped.

Such winch is relatively inexpensive to manufacture and any repairs, when necessary, are extremely simple. The winch is a complete unit and may be transported from place to place without difliculty. It may be fastened to a tree or a post or bolted or screwed to a flat surface or a truck bed, if desired.

From the above description it will be apparent that there is thus provided a device of the character described possessing the particular features of advantage before enumerated as desirable, but which obviously is susceptible of modification in its form, proportions, detail construction and arrangement of parts without departing from the principle involved or sacrificing any of its advantages.

While in order to comply with the statute the invention has been described in language more or less specific as to structural features, it is to be understood that the invention is not limited to the specific features shown, but that the means and construction herein disclosed comprise but one of several modes of putting the invention into effect.

Having thus described my invention, I claim:

1. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and freely journaled thereon for relative oscillatory motion, said spool sides each having an annular series of ratchet teeth thereon lying in a plane transverse to the axis of the spool, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated in such direction, and upon oscillating the yoke in the other direction the pawls will override the teeth.

2. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool about a center common to the axis of the spool, said spool sides each having an annular series of ratchet teeth thereon lying in a plane transverse to the axis of the spool, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool.

3. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, an annular series of ratchet teeth on the sides of the spool, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, and means on the yoke and the frame selectively engageable with each other upon extreme movement of the yoke to remove both sets of pawls from the ratchet teeth and permit the spool to rotate freely.

4. in a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, an annular series of ratchet teeth on the sides of the spool, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, and means on the yoke and the frame selectively engageable with each other upon extreme movement of the yoke to remove both sets of pawls from the ratchet teeth and permit the spool to rotate freely, and a manually operable means preventing extreme movement of the yoke and engagement of said pawl removing means.

5. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spood sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, a pintle upon which the yawls are mounted, said pawls including a tooth engaging portion and a tail portion on opposite sides of the pintle, and an abutment engageable by said tail portion only when said tooth engaging portion is in operative position so that the load on the pawl will be borne by the abutment instead of the pintle when a tooth is engaged.

6. A pawl for engagement with a ratchet tooth and the like comprising an elongated strip mounted on a pintle substantially midway of its length, one end comprising a tooth engaging portion and the other end terminating in a cam surface, an abutment positioned within the sweep of the cam surface so as to engage the same and bear the whole load on the pawl only when the tooth engaging portion is in tooth engaging position.

7. In a cable winch having a rotatable cable winding spool journaled in the frame, means for rotating said spool comprising a handle element pintled in alignment with the spool axis and having a portion adjacent one side of the spool and oscillatable thereabout, said spool side having an annular series of ratchet teeth lying in a plane transverse to the axis of the spool, and said adjacent portion of said handle element having a pawl mounted therein in spring urged engagement with said teeth so that upon moving said handle element in one direction the spool will be rotated and in the other direction the pawl will override the teeth.

8. A cable winch comprising two rotatable cable winding spools in axial alignment and journaled in a common frame, means for rotating said spools comprising a single handle yoke with projecting arms longitudinally embracing both said spools and pintled in alignment with the axis of said spools and adjacent the outside of each spool so as to be oscillatable with the rotation of the spools, the outward side of each spool having an annular series of ratchet teeth, pawls mounted on said yoke arm and in spring urged engagement with said teeth so that upon oscillating said yoke in one direction one pawl will rotate one spool and the other pawl will override its series of teeth and when oscillated in the reverse direction the other pawl will rotate the other spool in a reverse direction while the first pawl will override its series of teeth.

9. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, a set of pins mounted on the yoke and adapted to engage the pawls thereon and move them out of engagement with said teeth upon their depression, a second set of pins mounted on the frame and adapted to engage the pawls thereon and move them out of engagement with said teeth upon their depression, said pins being so positioned that upon extreme movement of the yoke they will be depressed by a portion of the yoke and the frame.

10. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, a set of pins mounted on the yoke to engage the pawls thereon and move them out of engagement with said teeth upon their depression, a second set of pins mounted on the frame to engage the pawls thereon and move them out of engagement with said teeth upon their depression, one set of pins being in circumferential alignment with the other set so that upon extreme movement of the yoke they will about and be depressed, thus permitting the free rotation of the spool.

11. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, a set of pins mounted on the yoke and engageable with the pawls thereon to move them out of engagement with said teeth upon their depression, a second set of pins mounted on the frame and engageable with the pawls thereon to move them out of engagement with said teeth upon their depression, one set of pins being in circumferential alignment with the other set so that upon extreme movement of the yoke they will abut and be depressed, thus permitting the free rotation of the spool, and lfoot actuated braking means incorporated in said spoo 12. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said teeth so that unon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, and means on the yoke and the frame selectively engageable with each other upon extreme movement of the yoke to remove both sets of pawls from the ratchet teeth and ermit the spool to rotate freely, and foot actuated braking means incorporated in said spool.

13. In a cable Winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a hand e yoke longitudinally embracing the spool sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, and means on the yoke and the frame selectively engageable with each other upon extreme movement of the yoke to remove both sets of pawls from the ratchet teeth and permit the spool to rotate freely, and foot actuated braking means incorporated in said spool, including a brake pedal carrying a pawl riding over a rack surface for retaining said pedal in braking position.

14. In a cable winch having a rotatable cable winding spool journaled in a frame, means for rotating said spool comprising a handle yoke longitudinally embracing the spool sides and oscillatable around said spool, said spool sides each having an annular series of ratchet teeth, pawls mounted on said yoke in spring urged engagement with said teeth so that upon oscillating said yoke in one direction the spool will be rotated and in the other direction the pawls will override the teeth, and a second set of pawls mounted on the frame and in spring urged engagement with said ratchet teeth to prevent retrograde movement of the spool, and means on the yoke and the frame selectively engageable with each other upon extreme movement of the yoke to remove both sets of pawls from the ratchet teeth and permit the spool to rotate freely, and foot actuated braking means incorporated in said spool, including a brake pedal carrying a pawl riding over a rack surface on the frame for retaining said pedal in braking position, and means for releasing said pawl for resetting said brake pedal.

15. In a cable type winch having a rotatable cable winding spool journaled in a frame, an oscillatory handle yoke embracing the spool and freely journaled thereon for relative oscillatory motion, an annular series of ratchet teeth carried by said spool in a plane transverse to the axis thereof, a spring biased pawl carried by the handle yoke and normally engageable within the ratchet teeth in one direction of rotation and disengageable therefrom against the yielding resistance of the spring in the other direction of rotation, a spring biased detent pawl carried by the frame and normally engageable with the ratchet teeth to prevent retrograde movement thereof during periods of disengagement of the yoke carried pawl, means associated with each of said pawls for disengaging the pawls from the ratchet teeth against the yielding resistance of their bias springs, actuating means therefor simultaneously disengaging both pawls to permit free movement of the spool in either direction, and a manually operated brake mechanism associated with said spool for regulating the amount and speed of free movement of the spool.

16. In a cable type winch having a rotatable cable winding spool journaled in a frame, an oscillatory handle yoke embracing the spool and freely journaled thereon for relative oscillatory motion, an annular series of ratchet teeth carried by said spool in a plane transverse to the axis thereof, a spring biased latch mechanism carried by said yoke and engageable with the ratchet teeth to rotate the spool in unison with oscillation of the yoke in one direction, a second spring biased latch mechanism carried by the frame and engageable with the ratchet teeth to prevent rotation of the spool in unison with movement of the yoke in the opposite direction, means for disengaging both latch mechanisms to permit free movement of the spool, and a manually operable brake mechanism associated with said spool for regulating the amount and speed of free movement of the spool including a foot operated lever for energizing said brake mechanism and a hand operated lever for energizing said brake mechanism, the construction and arrangement being such that either of said levers may be optionally used to energize the brake mechanism.

17. In a cable type Winch having a rotatable cable winding spool journaled in a frame, an oscillatory handle yoke embracing the spool and freely journaled thereon for relative oscillatory motion, an annular series of ratchet teeth carried by said spool in a plane transverse to the axis thereof, a one-way drive connection between said yoke and ratchet teeth, a latch mechanism preventing retrograde movement of the spool, means for releasing said spool for free movement in either direction, a manually operated brake mechanism, dual means of energization therefor, including a foot operated lever and a hand operated lever, either of which may be operated independently of the other or simultaneously with the other, and manually releasable means for maintaining the brake in adjusted position regardless of the particular energizing means used.

References Cited in the file of this patent UNITED STATES PATENTS 765,190 Moyers July 19, 1904 2,302,131 McCullough Nov. 17, 1942 2,366,912 Lauper Jan. 9, 1945 2,501,253 Anglemyer Mar. 21, 1950 2,506,029 Maasdam May 2, 1950 FOREIGN PATENTS 5,409 Australia Dec. 16, 1931

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