Pipe wrench

Details Pipe wrench Pipe wrench

1977-10-25

1979-03-20

Jones, Jr., James L.

Tools

Wrench, screwdriver, or driver therefor

Pivoted outer jaw

81145, B25B 1328

Patent

active

041447794

ABSTRACT:
A pipe wrench which is locked in adjustment by engagement of rack-like teeth on the stem portion of the movable jaw with similar teeth on a slidable member carried in a wide groove in a rocking sleeve. The wrench is adjustable with one hand by squeezing the sleeve and slider to disengage the teeth, then moving the jaw stem via a spur engageable with the finger. The major parts of the sleeve and slider may be made of welded steel stampings.

REFERENCES:
patent: 793551 (1905-06-01), Swengel
patent: 843969 (1907-02-01), Shaver
patent: 1380566 (1921-06-01), Kiefer
patent: 3996820 (1976-12-01), Tuell

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