Adjustable wrench

Details Adjustable wrench Adjustable wrench

1997-06-12

1999-03-23

Scherbel, David A.

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

81179, B25B 1312, B25B 1316

Patent

active

058845399

ABSTRACT:
An adjustable wrench has a positioner member which moves forward and rearward to position a nut generally along a center line of the jaw drive faces. The wrench has a movable jaw with a shank which extends slidingly through a cavity in the stationary jaw. The positioner member has a rearward edge that slidingly engages a forward edge of the shank so that it will move forward relative to the stationary jaw as the movable jaw moves toward the stationary jaw. The positioner member is retained in the cavity with a pin and elongated slot arrangement. The pin extends through side walls of the cavity, or alternately it may be mounted to inner sides of the legs. The legs fit within the cavity stationarily and have a receptacle which slidingly receives a portion of the positioner member. The legs may be retained by lugs on an upper edge and lips on a lower edge. Alternately, the legs may be retained by wedging them apart from each other.

REFERENCES:
patent: 1380052 (1921-05-01), Fowble
patent: 2959996 (1960-12-01), Wheeler
patent: 4706528 (1987-11-01), Inoue
patent: 4735121 (1988-04-01), Coulson
patent: 5103697 (1992-04-01), Masbaum
patent: 5239899 (1993-08-01), Baker

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