US1733288A - Pistol-grip wrench - Google Patents

Description

Oct. 29, 1929. c. N 1,733,288

PISTOL GRIP WRENCH Filed June 14, 1929 Inventor A iidrney Patented Oct. 29, 1929 NETED STATES CLARY M. TUNE, OF TIPTONVILLE, TENNESSEE PISTOL-GRIP WRENCH Application filed June 14,

This invention relates to wrenches and has as its primary object the provision of a wrench which is shaped somewhat in a manner to conform to the shape of a pistol, thereby facilitating the carrying of the wrench about upon ones person, such as in a scabbard or the like.

Another very important object of this invention is to provide a wrench of the above mentioned character, comprising a pistol grip, stationary aw extending forwardly from the pistol grip in the same manner as a pistol barrel, a movable jaw on the stationary jaw, and an operating member for the 17.- movable jaw disposed with respect to the handle in the same manner as a trigger would be disposed with respect to a pistol handle, thus permitting actuation of the operating member by the forefinger of the operator while the wrench is grasped in the hand and held therein in a manner similar to how one would hold a pistol in his hand.

Other objects of the invention will become apparent during a study of the following clescription, taken in connection with the accompanying drawings, wherein:

Figure 1 is a side elevation of a wrench constructed in a manner comprehended by this invention.

Figure 2 is a top plan view of the guard member for the finger actuated operating means for the movable door.

Referring more in detail to the drawings it will be seen that in constructing my wrench so as to simulate a pistol I provide the usual handle 5 formed in simulation of a gun or pistol handle, to which is fixed a siutable shaped block 6, constituting the stock of the pistol grip wrench. Projecting forwardly and disposed in a horizontal plane is an elongated shank 7, one end of which is receivable in a suitable recess formed in the block 6 and extending inwardly of the block from the for ward edge thereof. This end of the handle being secured in the socket of the stock by any suitable securing means such as indicated at 8. At its opposite end the shank 7 is provided with a suitable aw member 9. Thus it will be appreciated that the aw 9 constitutes the stationary aw of the wrench. Mounted for Serial No. 370,818.

sliding movement upon the shank 7 is a mov able gripping jaw 10, said movable jaw 10 being provided with an internally threaded bore 11, adapted to receive the end of a horizontally disposed screw 12 The screw 12 is provided with a rearwardly extending nonthreaded portion 13. At its forward end and beneath the first mentioned socket, the block 6 is suitably bored or socketed to receive the extremity of the non-threaded portion 13 of the stem as at 1 1. A suitable guard member, designated generally by the reference character 15 is preferably formed from a single length of metal of suitable width to provide a frame-like guard comprising the relatively flat topmost or side member 16, which constitutes the attaching portion of the guard whereby the same may be secured in a vertical depending position from the bottom edge of the block 6. Completing the structure of the frame, the strap is bent at right angles to the plate portions 16' to provide the downwardly depending end member 17 the bottom or complemental side portion 18 and the rear vertically extending end member 19. At its extremity, the end member 19 is bent outwardly to provide a portion disposed in parallelism to a rearwardly extending projection 20 formed on the attaching portion 16 of the frame. The forwardly extending portion of the end member 19 is secured to the projection 20 as at 21, and adapted to be received into an angularly disposed portion 22- at the rear bottom end of the block 6. The attaching portion 16 of the frame is provided adjacent its forward end with a pair of spaced bolts receiving openings 23, to facilitate its attachment to the block 6 through the medium of counter-sunk screws or bolts 2%, passed through said openings 23, and the bottom portion of the block 6. Intermediate its ends the member 16 is provided with a transverse slot 25, registering with a suitable transversely disposed socket 26, formed in adjacent portions in the lower end of the block 6. Adjacent the rear end of the frame or guard 15, there is rotatably mounted a vertical shaft 27, one end of which extends through an opening 28 to project into the block 6, and the opposite end of the shaft being rotatably received in the bottom member 18 of the guard as is illustrated. Fixed to this shaft is a knurled finger roller 29, which is formed at its uppermost portion into a bevelled gear 30. A suitable sleeve 31 is disposed about the shaft 27, one end of the sleeve abutting the top or attaching portion 16 of the guard and the 0pposite end of the sleeve embodying the bevelled gear 30, to prevent axial movement of the gear and finger grip upon the shaft. Disposed at right angles to the shaft 27 and extending in a horizontal plane is a second shaft 82, one end of which projects through the upper portion of the guard end member 17, the opposite end of the shaft being rotatably supported in a suitable bearing bracket structure 33, fixed to the attaching portion 16 of the guard, and to this said end of the shaft there is fixed a bevelled gear 3%, in mesh with the gear 30. Fixed to the opposite end of the shaft 32 and disposed exteriorly of the guard is a gear 35 in mesh with a gear 36, on the rearwardly disposed non-threaded portion 13, of the screw 12.

In practice, then, it will be seen that the wrench may be grasped in the hand to be held therein in a manner similar to a pistol, the fingers of the hand being gripped about the handle 5 of the wrench so that the fore finger of the hand may operate the finger roller 29 for rotating the same and thereby causing the gear 30 to rotate the gear 34, together with the gear 35, and 36, which in turn will impart rotatable movement to the screw 12 resulting in the sliding of the movable jaw 10 relative to the stationary aw 9, so that said movable jaw 10 may be disposed in an adjusted position with respect to the stationary aw 9, or to that position so that the movable jaw 10 may cooperate with the stationary jaw 9 for gripping a nut orthe like therebetween. Obviously by rotating the fingerroller or operating member 29, in an opposite direction, the movable jaw may be moved to a releasable position to disengage the wrench from the bolt head or nut as the case may be.

From the foregoing then, it will be seen that a wrench of this construction may be conveniently carried about the person in a holster, thus rendering it highly desirable by mechanics and especially for farmers as a handy wrench, when working upon their plows, cultivators, mowing machines and for other purposes requiring the need of a wrench. It will be also seen thata wrench of this character will be strong, durable, inexpensive, thoroughly practical, reliable and eificient in use, and otherwise well adapted to the purpose for which it is designed.

Even though I have hereinshown the preferred embodiment of myinvention, it is to be understood that the same is susceptible to changes fully comprehended by the spirit of the invention and the scope of the appended claims.

What I claim is:

1. In a wrench of the class described, a pistol grip, a stationary jaw projecting forwardly from said grip, said stationary jaw comprising a shank portion fixed to said grip, a movable aw slidable on said shank, a guard member carried by said grip, a vertical shaft rotatable in the guard member, afinger roller fixed to said shaft, a gear on said shaft, a second shaft horizontally disposed in said guard member, a gear on one end of said shaft adapted to mesh with the first mentioned gear, and means operatively connecting said last mentioned shaft with said movable jaw, whereby said movable jaw may be moved to ward or away from said stationary jaw.

2. In a wrench of the class described, a pistol grip, a stationary jaw carried by said grip and embodying a shank fixed to said grip, a jaw movable on said shank, a guard member carried by said grip, a vertical shaft rotatably mounted in said guard, a horizontal shaft rotatably supported in said guard, gears operatively connecting said shaft, a screw projecting forwardly fromsaid handle and having threaded engagement with said movable jaw, gearing operatively connecting said screw with said horizontal shaft, and a finger roller carried by said vertical shaft, and means operatively connecting said first mentioned gear with said last mentioned gear whereby said movable shaft may be shifted relative to said stationary jaw upon actuation of said finger member.

In testimony whereof I affix my signature.

CLARY M. TUNE.

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