B - Operations – Transporting – 25 – B
Patent
B - Operations, Transporting
25
B
81/41
B25B 13/50 (2006.01) B25B 13/46 (2006.01)
Patent
CA 1121188
RATCHETING PIPE WRENCH ABSTRACT OF THE DISCLOSURE 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 accomodate 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.
334879
Irwin Lawrence F.
Millray Robert
Equistar Chemicals L.p.
Meredith & Finlayson
LandOfFree
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