Universal ratcheting wrench

Details Universal ratcheting wrench Universal ratcheting wrench

1983-12-30

1985-10-15

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Plural pivoted jaws and handle-lever

81 912, B25B 1300

Patent

active

045466785

ABSTRACT:
A ratcheting wrench is comprised of a pair of movable jaws, each provided with clevis extensions which are commonly pivoted together with an operating handle having an integral jaw extension which jaw extension moves between the clevis extensions on each movable jaw. The movable jaws open to permit the wrench to enclose a pipe run, for example, and the jaws are locked in a closed position preferably by a toggle linkage. While the toggle mechanism is latched, the handle can be operated about an enclosed and difficult to access work piece such as a pipe run, or conventionally with respect to nuts and bolts in a ratcheting fashion.

REFERENCES:
patent: 328167 (1885-10-01), Williams
patent: 651574 (1900-06-01), Meredith
patent: 701462 (1902-06-01), Bettmann et al.
patent: 1061691 (1913-05-01), Righter
patent: 1310995 (1919-07-01), Langford
patent: 1466319 (1922-05-01), Weathersby et al.
patent: 1641260 (1927-09-01), Fletcher
patent: 1675748 (1928-07-01), Bunker
patent: 1919468 (1933-07-01), Jones
patent: 2198951 (1940-04-01), Roush et al.
patent: 2224142 (1940-12-01), Cole
patent: 2584353 (1952-02-01), Keiser
patent: 2846909 (1958-08-01), Mason

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