Adjustable spanner

Details Adjustable spanner Adjustable spanner

2005-10-11

2005-10-11

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Slidable jaw adjustments

C081S170000

Reexamination Certificate

active

06952985

ABSTRACT:
An adjustable spanner comprises a holding portion installed at one end of the spanner body; a retaining jaw installed at another end of the spanner body; a movable jaw installed to the retaining jaw; the movable jaw being slidable along a slide track at a head portion of the spanner body. Two sides of the upper end of the slide track are formed with respective auxiliary projecting track. Two lower sides of a lower edge of the movable jaw are formed with respective slopes so as to enhance the strength of the structure. The slopes are configured to be matchable to the two auxiliary projecting tracks. Each auxiliary projecting track is extended from a respective upper surface of the slide track with an angle between 60 to 85 degrees so as to enhance the strength of the adjustable spanner.

REFERENCES:
patent: 1484374 (1924-02-01), Illig
patent: 1617488 (1927-02-01), Johnson

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