Strap wrench

Details Strap wrench Strap wrench

1986-09-04

1988-06-14

Schmidt, Frederick R.

Tools

Wrench, screwdriver, or driver therefor

Flexible

81 343, B25B 1352

Patent

active

047503890

ABSTRACT:
A strap wrench adapted to fit about an object having a connection to another object, so that the connection may be tightened or loosened, comprising a flexible strap having an end attached to a securing member and a free end which is received in a securing member which provides infinite adjustment of the periphery of the strap and retains the strap at a predetermined size determined by the circumference of the object to be turned, a wrenching member is pivotally connected to the securing member and the wrenching member has a shape defining a corner or projection for bearing on the strap and exerting a force thereon when the wrenching member is rotated by a turning tool inserted therein.

REFERENCES:
patent: 689325 (1901-12-01), Sands
patent: 1055800 (1913-03-01), Rosenkranz
patent: 1525358 (1925-02-01), Bergen
patent: 3728916 (1973-04-01), Brantley
patent: 4114481 (1978-09-01), Kowalczyk

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