Slide stop device of a hexagonal spanner

Details Slide stop device of a hexagonal spanner Slide stop device of a hexagonal spanner

2006-05-09

2006-05-09

Meislin, Debra S (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S443000, C081S445000

Reexamination Certificate

active

07040202

ABSTRACT:
A slide stop device of a hexagonal spanner comprises a spanner body; one end of the spanner body having a driving portion. The driving portion has at least one axial slots. Each slot is extended from a center of one end surface of the driving portion to an edge of the driving portion. An axial screw hole is formed in the center of driving portion; an outer end of the screw hole being a tapered shape. In use, a screwing resisting element is inserted into the screw hole. When the screwing resisting element is not tightly adhered to an wall of the screw hole, the screwing resisting element can expand the driving portion outwards to prevent the screwing resisting element from sliding.

REFERENCES:
patent: 2404427 (1946-07-01), Bloomfield
patent: 2775913 (1957-01-01), Deliso
patent: 3181396 (1965-05-01), Nance
patent: 5025688 (1991-06-01), Davis
patent: 6286401 (2001-09-01), Hajianpour

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