Bi-directional adjustable spanner with a driving roller

Details Bi-directional adjustable spanner with a driving roller Bi-directional adjustable spanner with a driving roller

2006-03-14

2006-03-14

Wilson, Lee D. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

C081S155000, C081S164000, C081S165000, C081S172000, C081S179000, C081S185200

Reexamination Certificate

active

07010999

ABSTRACT:
A bi-directional adjustable spanner with a driving roller comprises a head and a handle. The head includes a movable jaw slidably received within a sliding groove of the head; an adjustable sliding rod; a retaining jaw and a driving roller. The retaining jaw haS a receiving chamber; one side of the receiving chamber having an opening facing the movable jaw. The receiving chamber has a straight receiving groove with a U shape end; the receiving chamber being communicated to the straight receiving groove. The driving roller is received in the receiving chamber of the retaining jaw; and a part of the driving roller protruding out of the opening of the receiving chamber towards the movable jaw. An elastomer is received within the receiving groove. A resisting pin of the elastomer resists against the driving roller. A cover sheet is screwed to the opening of the retaining jaw by a screw.

REFERENCES:
patent: 6079300 (2000-06-01), Hu
patent: 6739223 (2004-05-01), Wu

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