Adjustable wrench

Details Adjustable wrench Adjustable wrench

1988-12-21

1990-02-27

Smith, James G.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

B25R 1316

Patent

active

049035576

ABSTRACT:
An open adjustable wrench has an aligned handle and C-shaped head, the head being opened to the side. A moveable key slides in the head axially of the handle towards and away from a fixed gripping face on the upper end of the head. The key is adjusted in position by a threaded stem sliding in the keyway and itself advanced and retracted by rotation of a nut. The key and stem are detachably connected so that they can be removed from the wrench head for maintenance or replacement.

REFERENCES:
patent: 1522091 (1925-09-01), Thewes
patent: 2613567 (1952-10-01), Tenerowicz et al.
patent: 4766786 (1988-08-01), Jeremic

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