Ratcheting pipe wrench

Details Ratcheting pipe wrench Ratcheting pipe wrench

1980-06-03

1984-06-05

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81 96, B25B 1312, B25B 1328

Patent

active

044521081

ABSTRACT:
An improved ratcheting pipe wrench which includes a first toothed jaw formed on a first member and a second toothed jaw rotatably carried by a second member provided with an elongated handle portion. The first member has a shank portion which is slidably receivable in a guide way formed in the second member. The guide way is configured to provide clearance to the shank portion of the first member so as to permit both longitudinal and pivotal, or up and down rocking movement of the first member relative to the second member. With this construction the jaws of the wrench can readily be separated to accommodate a pipe, nut or bar (work piece) of various sizes. Further, with work piece in position between the toothed jaws, pressure exerted on the handle portion of the second member will tend to increasingly tighten the jaws about the work piece to provide a positive gripping action. Conversely, release of pressure on the handle portion will cause the jaws to loosen so that the wrench can readily be ratcheted to a new gripping position.

REFERENCES:
patent: 710179 (1902-09-01), Burr
patent: 1593588 (1926-07-01), Moore
patent: 2050102 (1936-08-01), Kujala et al.
patent: 2594684 (1952-04-01), Rothe
patent: 2714321 (1955-08-01), Tamplin
patent: 2735326 (1956-02-01), Morgan

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