Adjustable wrench

Details Adjustable wrench Adjustable wrench

2007-06-12

2007-06-12

Ackun, Jr., Jacob K. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

C081S170000

Reexamination Certificate

active

11489948

ABSTRACT:
An adjustable wrench comprises a handle, a head portion formed at one end of the handle, and an adjusting unit. The head portion further includes a fixed jaw and a movable jaw, which forms a clip surface for clipping a screwed part. The movable jaw is provided with a slide rod at a bottom side thereof that is retained along a slot extended transversely across the head portion. The adjusting unit controls the displacement of the movable jaw along the slot. The ratio of a maximal outer width to a maximal inner width is selected from three ranges so that the operation of the wrench within a limited space can be facilitated, attaining the goal of quickly loosening the screwed part.

REFERENCES:
patent: 6484610 (2002-11-01), Macor
patent: 6615694 (2003-09-01), Macor
patent: 7096767 (2006-08-01), Sherburne
patent: 2006/0075853 (2006-04-01), Sherburne

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