US696679A - Wrench. - Google Patents

Description

No. 696,679. Patented Apr; I, I902, G. B. HOWARD & J. LANGHART, JR.

WRENCH.

(Appiieatwn Med Jan. 21, 1902.) (No Model.)

NrTn rarns GEORGE B. IIOXVARD AND JACOB LANGHART, JR, OF MOKEESPORT, PENNSYLVANIA.

WRENCH.

SPECIFICATION forming part of Letters Patent No. 696,679, dated April 1, 1902. Application filed January 21, 1902. Serial No. 901633. (No model.)

To aZZ whom it may concern.-

Be it known that we, GEORGE B. HOWARD and J AOOB LANGHART, J r., citizens of the United States of America, residing at McKeesport, in the county of Allegheny and State of Pennsylvania, have invented certain new and useful Improvements in Wrenches, of which the following is a specification, reference being had therein to the accompanying drawin gs.

This invention relates to certain new and useful improvements in spanner-wrenches, and relates more particularly to combinationwrenches wherein a sliding-jaw wrench and spanner-wrench are combined.

Although the present invention is shown and described as cooperating with a slidingjaw wrench, the principal features of the invention solely relate to the spanner-wrench, and the sliding-j aw wrench may be dispensed with, if desired.

The object of the present invention is to provide novel means whereby the adjustment of the spanner-wrench is obtained which will permit the wrench to grasp all sizes of tubing, bolts, and nuts.

Our invention further-aims to provide a chain that will be partially inclosed in a handle or may be adjusted to an extent to grasp all sizes of couplings and the like; furthermore, to provide an arm that when adjusted to its proper position will form a further fulcrum-point of the wrench.

Our invention still further contemplates to provide a screw-driver attachment that may be conveniently used in connection with a wrench when desired.

Another object of the present invention is to provide a wrench that may be extremely simple in construction, strong, durable, comparatively inexpensive to manufacture, and highly efficient in its use.

l/Vith the above and other objects in view the invention consists in'the novel combination and arrangement of parts to be hereinafter more fully described, and specifically pointed out in the claims.

In describing the invention in detail reference is had to the accompanying drawings, formingapart of this specification,and wherein like numerals of reference indicate like parts throughout the several views,in which- Figure l is a side elevation of our improved wrench. Fig. 2 is a longitudinal sectional view thereof. Fig. 3 is a side elevation of the wrench when in use. Fig. 4 is a similar view showing the adjustment of the fulcrum-arm as it appears when applied in position.

In the drawings the reference-numeral 1 indicates the handle carrying the stationary jaw 2, and 3 represents a recess formed in the upper face of the handle.

The sliding jaw 4. is of the ordinary construction, in which is secured the collar 5, carrying a worm-screw 6, said worm-screw 6 operating in a worm-rack 7, formed on the lower face of the handle. Through the upper face of the sliding jaw i is formed an aperture 8, through which extends the lug 9, carried by the screw-driver 10, the latterbeing engaged on its under face by the flat spring 11, which serves to normally press the lug 9 into the opening 8. At the other end of the screw-driver 10 is secured a chain composed of a number of links 12, which are pivotally secured together, said chain extending through the recess 14, formed in the end of the handle. This chain 12 carries on its free enda lug 15. A recess 16 is also formed in the handle 1, in said recess being pivotally secured at 17 a spring-pressed fulcrurn-arm 18, carrying teeth 19 and retained in position by means of a spring 20, secured in the body portion of the handle. In the said fulcrum-arm 18 are formed recesses 21 and 22, which are adapted to receive the lug 15 of the chain when the fulcrum-arm is used;

but when the fulcrum-arm is not in use the lug 5 may be secured in the recess 23, formed in the body portion of the handle, or the lug 15 may engage the opening 2 1, formed in the sleeve 25. The lower end of the handle, near the end thereof, is curved, as shown at 26, to

receive the sleeve, nut, or other object to which the wrench is applied.

The operation of our improved wrench is as follows: When it is desired to lengthen or shorten the chain to grasp an object, the sleeve 6 is operated, thereby imparting the usual movement to the sliding jaw to which the chain is attached, and by operating the jaw toward the stationary jaw the chain will be shortened, and the reverse movement will serve to lengthen the chain extending through maythen be placed either in the recess 21 or 22. When it is desired to use the screwdriver, the lug 9 is pressed downwardly until the upper face of the lug is in alinement with the under side of the slidingjaw. Then by operating the jaw the screw-driver attachment is released and the same may be extended to the upright position through the opening formed in the handle. The jaw is then tightened until the lower end of the screw-driver is engaged and firmly held in the desired position.

The many advantages obtained by the use of our improved device will be readily apparent from the foregoing description, taken in connection with the accompanying drawings.

It will be noted that various changes may be made in the details of construction without departing from the general spirit of our invention.

Having thus fully described our invention, what we claim as new, and desire to secure by Letters Patent, is-

1. A chain spanner attached to the movable jaw of a wrench and operating in a groove on the upper face of the handle thereof with overlapping flanges carried by the handle for securing said chain in position, substantially as described.

2. An adjustable chain spanner comprising a chain carrying a hook secured to the movable jaw of a wrench, the handle of said wrench on its rear end being arc-shaped with the upper face of the handle having a groove and overlapping flanges for securing said chain.

in position, substantially as described.

3. An adjustable chain spanner comprising a chain carrying a hook secured to the movable jaw of a wrench, the handle of said wrench on its rear end being arc-shaped with the upper face of the handle having a groove and overlapping flanges for securing said chain in position, anda fulcrum-arm secured in the handle, substantially as described.

4:. An adjustable chain spanner comprising a chain carrying a hook secured to the movable jaw of a wrench, the handle of said wrench on its rear end being arc-shaped with the upper face of the handle having a groove and overlapping flanges for securing said chain in position, and a spring-pressed fulcrum-arm secured in the handle, substantially as described.

5. An adjustable chain spanner comprising achain carrying'a hook secured to the movable jaw of a wrench, the handle of said wrench on its rear end being arc-shaped with the upper face of the handle having a groove and overlapping flanges for securing said chain in position, and a spring-pressed fulcrum-arm secured in the handle andhaving openings formed therein to receive the end of the said chain, substantially as described.

In testimony whereof we affix our signatures in the presence of two witnesses.

GEORGE B. HOWARD. JACOB LANGHART, JR.

\Vitnesses:

JOHN NOLAND, E. E. POTTER.

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