Adjustable end wrench including movable jaw locking means

Details Adjustable end wrench including movable jaw locking means Adjustable end wrench including movable jaw locking means

1992-07-13

1993-06-29

Meislin, D. S.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81170, B25B 1316

Patent

active

052224198

ABSTRACT:
A wrench of a conventional worm gear-rack mechanism type includes a fixed jaw and a movable jaw adjustable by means of a worm gear in driving engagement with a rack mechanism of the movable jaw. The rack mechanism is movable within a slot extending through the fixed jaw; the slot being disposed to one side of an object gripping surface of the fixed jaw and along an axis perpendicular to the gripping surface. For locking the movable jaw in position when an object is being gripped between the two jaws, the movable jaw is provided with a threaded stud which extends axially of the slot and outwardly beyond an exterior surface of the fixed jaw. A nut is mounted on the stud portion extending beyond the exterior surface, the nut serving to prevent unclamping movement of the fixed jaw when the nut is screwed along the stud and into contact with the exterior surface.

REFERENCES:
patent: 1076793 (1913-10-01), Seipel

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