Automatically adjustable modern pipe wrench

Details Automatically adjustable modern pipe wrench Automatically adjustable modern pipe wrench

1989-02-03

1990-02-27

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81137, B25B 1314

Patent

active

049035550

ABSTRACT:
A pipe wrench that is readily fitted to a desired size by engagement of rack-like teeth on a stem portion with a movable jaw with co-engaging rack-like teeth, the pipe wrench being of a modern type and including means for retrofitting conventional modern pipe wrenches.

REFERENCES:
patent: 864155 (1907-08-01), Carter
patent: 994070 (1911-05-01), Fields et al.
patent: 1027203 (1912-05-01), Halverstadt
patent: 1064361 (1913-06-01), Moak
patent: 1176328 (1916-03-01), Tressler
patent: 1181380 (1916-05-01), Gorder
patent: 1199806 (1916-10-01), Merritt
patent: 1282223 (1918-10-01), Hall
patent: 1289937 (1918-12-01), Shade
patent: 1336460 (1920-04-01), Woodward
patent: 1362845 (1920-12-01), Carr
patent: 1377930 (1921-05-01), Roach
patent: 1445531 (1923-02-01), Persinger
patent: 3039338 (1962-06-01), Borg
patent: 4144779 (1979-03-01), Honick
patent: 4358972 (1982-11-01), Tuell

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