US491870A - William e - Google Patents

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US491870A US491870DA US491870A US 491870 A US491870 A US 491870A US 491870D A US491870D A US 491870DA US 491870 A US491870 A US 491870A
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    • B25B13/00Spanners; Wrenches
    • B25B13/10Spanners; Wrenches with adjustable jaws
    • B25B13/28Spanners; Wrenches with adjustable jaws the jaws being pivotally movable
    • B25B13/30Spanners; Wrenches with adjustable jaws the jaws being pivotally movable by screw or nut


WRENGH. y No. 491,870. Patentedleb. 14, 1893.
I; y 111mm" y Illllllllllllnn I UN l- ,I ASTAJFESV PATENT FFICE.
SPECIFICATION forming part of Letters Patent No. 491,870, dated February 14, 1893.v
Application tiled November 14, 1892. Serial No. 451,990. (No model.)
To all whom it may concern,.-
Be it known thatl, WILLIAM E. BROOKE, a citizen of the United States,.residing at Trenton, in the county of Mercer and State of New Jersey, have invented certain new and useful Improvements in "Wrenches, and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the, same.
This invention relates to an improvement in wrenches, its obj ect being to provide a neat, simple and efficient adjustable jaw wrench, and the invention therefore consists in the construction, arrangement and combination of the several parts, substantially as will be hereinafter described and claimed.
In the accompanyingl drawings illustrating my invention: Figure l is a plan view of my improved wrench. Fig. 2 is a cross section on the line :r of Fig. 1. Fig. 3 is an elevational view of the link which connects the two jaws. Fig. tis an outer edge view of the adj ustable jaw.
Similar letters of reference designate corresponding parts throughout the several Iigures of the drawings.
A designates the main shank of the Wrench having the handle end A which is slotted at a with a right-angled slot having parts thereof of dierent sizes so that this handle end may be adapted to serve as a wrench with square nuts and for other purposes. The main shank A is also made integral with the Xed jaw B having the inclined serrated edge b. The shank A, handle part A and jaw B, are all made out of one piece of metal which is out into suitable form and is preferably iiat and somewhat thin so as to make a neat and handy article. v
C denotes the movable jaw having the inclined serrated edge c located opposite to the serrated edge b of the fixed jaw. The movablejaw C has the rounded inner end C which is located within a recess D, cut in the shank A, to receive it, the inner end of said recess having a round seat at D', conforming in shape to the round end C of the end of the jaw C. One side of the slot D is provided with a V- shaped tongue cl, having a stop or shoulder d at the outer endthereof. This tongue d is engaged by a V-shaped groove a', cut on a part of the rounded end C of the movable jaw. Thus it will be seen that this inner rounded end of the movable jaw hasareciprocatory movement within the slot D and that it is held within said slot and guided by means 'of the tongue and groove connection ol and ct and that when the end C is in its innermost position, it comes in contact with the 6o similarly-shaped seat D', as shown in Fig. l. The jaw C, as well as its inner rounded end C is made of a piece of thin fiat metal, equal 'in thickness to that of the main handle shank A'and therefore when the rounded end C is 65 located in the slot D, all the parts of the wrench lie in the same plane and present a neat and simple combination. The inner end of the movable jaw C is provided on its side opposite to where the tongue and groove con-l 7o nection is located, with a iiat spring E connected thereto in some suitable manner, said spring bearing against the adjacent edge of the jaw B and acting to normally force the jaws B and C apart from each other. F designates a link which is used for the `purpose of connecting the two jaws B and C. This link is arranged loosely and is adjustable. It is provided at one end with the angular pin f which fits into a slot or notch in the outer 8o edge of the jaw B. The opposite edge of the movable jaw C is preferably furnished with a screw-hole c for receiving the inner end of a set-screw G which is held in a screw threaded opening in the opposite end of the link E to where the angular pin f is situated. Thus it will be seen that when the link F embraces the two jaws B and C in the manner shown in Fig. l, that the adjusting screw G will be adjusted with one end entering the screw hole 9o c', and in this way the two jaws Band C can be forced as near together asmay be desired or may be permitted to be situated farther apart. Thus it will be seen that by arranging the adjustable jaw in the manner thatI have described, whereby it is permitted to have a longitudinal movement and also an adjustment toward or away from the iixed jaw, I am enabled to adapt the wrench for use with objects of various diameters and sizes because Ioo I am enabled to situate the jaws B and C farther from or nearer to each other7 thereby increasing or lessening the distance between them and adapting them to grapple larger or smaller objects.
Numerous changes in the exact construction and arrangement of the several parts may obviously be made without departing from my invention.
Having thus described my invention, what I claim as new and desire to secure by Letters- Patent, is:
l. In a wrench, the combination of the main shank having a iXed jaw and provided with a slot, a movable jaw having its inner end loosely entering said slot and seated therein with considerable play, a spring carried by the movable jaw and acting against the fixed jaw and a link connection between the two jaws, substantially as described.
2. In awrench, the combination of the main shank, having an integraLXedjaw and provided With a slot having a V-shaped tongue thereon, a lnovable jaw having its innei` end located within said slot and provided with a groove which engages said tongue, a spring between the two jaws and a link connection for holding the jaws together, substantially as specified.
3. The combination of the main handle A, having fixed jaw B, with serrated edge b, said handle having also the slot D with the rounded inner end D', the movable jaw C having the serrated edge c, and the rounded inner end C seated loosely against the end D there being a tongue and groove connection between said ixed and movable jaws, as shown and the link connection F for holding the two jaws together substantially as described.
4:. The combination of the main shank A, having iiXed jaw B and slot D, one edge of which has the V-shaped tongue d and the stop or lug d', the movable jaw C having the rounded end C with a V-shaped groove d engaging the tongue CZ, the spring E carried by the movable jaw, and the adjusting link F engaging thetwo jaws and provided with the screw G, substantially as described.
In testimony whereof I affix my signature in presence of two witnesses.
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