US338326A - Heevet m - Google Patents

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US338326A
US338326A US338326DA US338326A US 338326 A US338326 A US 338326A US 338326D A US338326D A US 338326DA US 338326 A US338326 A US 338326A
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Prior art keywords
jaw
pivoted
lever
wrench
rigid
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B7/00Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/06Joints
    • B25B7/10Joints with adjustable fulcrum

Description

(NoM3del.) v

H. M. WILSON.4

PIPE WRENCH.

No. 333,326. Patented Mar. .33,` 1333.

um" llllnin Wikinews V fixa UNITED STATES PATENT OFFICE.

HERVEY M. WILSON, OF FULLERTON, NEBRASKA.

PIPE-WRENCHu SPECIFICATION forming part of Letters Patent No. 388,326, dated March 23, 1886.

Application filed December 23, 1885. Serial No. 186,559.

T all whom it may concern.'

Beit known that I, HERVEY M. WILSON, a citizen of the United States, residing at Fullerton, in the county of Nance and State of Nebraska, have invented a new and useful Improvement in Pipe-Vrenches, of which the following is a specification, reference being had to the accompanying drawings.

My invention relates to improvements in pipe-wrenches; and the novelty consists of the peculiar construction and combination of parts, substantially as hereinafter fully described, and specifically pointed out in the claims.

The primary object of my invention is to provide a Wrench for holding pipes, rods, and other like cylindrical objects, which shall be very simple, strong, and durable in construction, and to provide means whereby the pivoted jaw can be adjusted to open to any desired extent for the purpose of grasping objects o f different diameters.

A further object of my invention is to provide a wrench which shall be capable of easy operation and adjustment, and which shall be cheap of manufacture.

In the accompanying drawings, Figure l is a perspective view of a wrench embodying my invention. Figa 2 is a view of the wrench showing the pivoted handle-lever and the pivoted grasping-jaw distended. Fig. 3 is a sectional view on the line x x of Fig. 2.

Referring to the drawings, in which like letters of reference indicate corresponding parts in all the figures, A designates a pipewrench constructed in accordance with my invention, and having a rigid` toothed o1' serrated jaw, B, having an extended handle, b, a bracket, C, a pivoted' adjustable clampingjaw, D, a pivoted lever, E, and a spring, F, for forcing the lower end of the pivoted jaw D normally outward, the peculiar construction and arrangement of the several parts above designated being presently described. The bracket C is arranged at right angles to and rigidly secured on the rigid jaw B of the wrench, and the parallel side arms thereof are slotted longitudinally, as at c, in which work the trunnions or pivot-pins d of the clampingjaW D. These pivot-pins of the clamping-jaw are arranged on opposite side faces ofthe jaw at or near the middle thereof, and said jaw is (No model.)

arranged and adjustable back and forth between the parallel arms of said bracket, the trunnions d serving as pivots and guides to the adjustable pivoted jaw in its various adjustments and movements. The inner face of said adj ustable jaw is toothed or serrated, as shown, and the upper toothed end is arranged opposite to the serrated portion of the rigid jaw B. The lower end ofthe pivotedjaw D is provided with curved spaced apart lugs d', between which is pivoted a bent arm, e, of an operatinglever, E, said lever being pivoted near its upper end tothe outer ends of links G, which in turn are pivoted on the handle b, as at g. The lower end of the spring F is rigidly secured to the handle-bar b, and the opposite end of said spring is left free and bears against the pi voted adjustable jaw D, at a point intermediate be tween its point of connection with the lever E and the bracket C, to force the said jaw normally away from engagement with the rigid jaw.

I designates an adj ustingscrew, which works in a threaded socket of the bracket C, and bears against the adjustable clamping-jaw D. Vhen the Vscrew is turned inwardly', the adjustable jaw D is forced nearer to the rigid jaw B and against the tension of the spring F, and when the said screw is turned outwardly the spring forces the adj ust-able jaw away from the rigid jaw to enlarge the opening or space between the jaws and adapt them to holdvor grasp pipes, 8vo., of diii'erent diameters.

To open the jaws to grasp a pipe, dsc., the lower end of the handle-lever is forced outwardly, which thus moves on its pivot and draws the upper end thereof inwardlytoward the rigid jaw, which inward movement of the upper end of the lever causes the adjustable jaw D to oscillate or turn on its pivots or trunnions, the lower end moving inward with the lever E, and the upper serrated end moving outwardly away from the rigid jaw to adapt thejaws to clamp a pipe, &c. After the jaws engage a pipe or the like, the lower end of the handle-lever E is drawn inward toward the handlebar, which causes the serrated jaws to take a tlrm and secure hold.

I attach especial import-ance to the pivoted Vhandle-lever and the springactuated movable jaw pivoted theretoand to a bracket at a point intermediate between the lower and up.

- per ends thereof, as by such construction I i pivots thereof, and a screw for regulating the provide a wrench which possesses the impor tantvrequisites of a double leverage, which is capable of operation with a minimum of force, and secures a maximum degree of grasping Or holding force between the jaws.

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

l. In a wrench, the combination of a rigid jaw, a lever pivoted to the rigid jaw, a pivoted jaw pivotally connected to the lever and movable laterally of the rigidjaw, and a spring for normally forcing the movable jaw away from the rigid jaw, substantially as described.

,2. In a wrench, the combination of a rigid jaw carrying a bracket, a lever, a Ymovable jaw pivoted to the bracket and to the rear end of the pivoted lever, a spring bearing against the movable jaw at a point intermediate of the adjustment of the movable jaw, substantially as described.

3. As an article of manufacture, a wrench comprising a rigid jaw having a handle, b, a slotted bracket, C, secured thereon, links G, pivoted to the handle b, a lever, E, pivoted to thelinks, a laterally-adjustablejaw, D, having trunnions working in the slotted bracket and pivoted at its lower end to the lever E, a spring, F, and an adjusting-screw, I, substantially as described.

In testimony that I claim the foregoing as my own I have hereto affixed my signature in presence of two witnesses.

IY-Innvnv M. WILSON.

XVitnesses:

GEORGE D. MEIKLEJOHN, AsAHEL EDGINGTON.

US338326D Heevet m Expired - Lifetime US338326A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462709A (en) * 1944-03-06 1949-02-22 Taylor Ball Developments Ltd Toggle actuated tool and release therefor
US2498235A (en) * 1945-08-21 1950-02-21 Hiram E Barber Adjustable wrench having plier-like handles
US2535215A (en) * 1948-12-27 1950-12-26 Karl J Klenk Gripping or cutting hand tool
US2589511A (en) * 1947-08-30 1952-03-18 Frahcis L Rice Release mechanism for toggle actuated plier type wrenches
US2595368A (en) * 1948-06-14 1952-05-06 Arthur B Plautz Water pump pliers
US3164899A (en) * 1961-07-11 1965-01-12 Douglas D Raze Compression type tool
US5012666A (en) * 1989-07-24 1991-05-07 Chen Ching Wen Crimp tool with adjustable jaw
US20100011917A1 (en) * 2008-07-17 2010-01-21 Pi-Liang Wu Tools for removing house from object

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2462709A (en) * 1944-03-06 1949-02-22 Taylor Ball Developments Ltd Toggle actuated tool and release therefor
US2498235A (en) * 1945-08-21 1950-02-21 Hiram E Barber Adjustable wrench having plier-like handles
US2589511A (en) * 1947-08-30 1952-03-18 Frahcis L Rice Release mechanism for toggle actuated plier type wrenches
US2595368A (en) * 1948-06-14 1952-05-06 Arthur B Plautz Water pump pliers
US2535215A (en) * 1948-12-27 1950-12-26 Karl J Klenk Gripping or cutting hand tool
US3164899A (en) * 1961-07-11 1965-01-12 Douglas D Raze Compression type tool
US5012666A (en) * 1989-07-24 1991-05-07 Chen Ching Wen Crimp tool with adjustable jaw
US20100011917A1 (en) * 2008-07-17 2010-01-21 Pi-Liang Wu Tools for removing house from object
US7854186B2 (en) * 2008-07-17 2010-12-21 Pi-Liang Wu Tools for removing house from object

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