Slide stop device of a hexagonal spanner

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

2006-05-16

2006-05-16

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S436000

Reexamination Certificate

active

07044034

ABSTRACT:
A slide stop device of a hexagonal spanner serves for preventing a rounded edged inner hexagonal screw to slide as the hexagonal spanner drives the inner hexagonal screw. The slide stop device comprises a spanner body; one end of the spanner body having a driving portion; the driving portion having an axial slot extending through a center of one end surface of the driving portion to a lateral side thereof; a screw hole to be normal to one inner surface of the slot; a screwing resisting element having a shape matching the shape of the screw hole; the screwing resisting element serves for enforcing the driving portion to deform. In use, the screwing resisting element is inserted into the screw hole. When the screwing resisting element is inserted to push one surface of the slot, the slot will be expanded so as to expand the driving portion.

REFERENCES:
patent: 544606 (1895-08-01), Balsley
patent: 1043146 (1912-11-01), Schiess
patent: 1245754 (1917-11-01), Matteson
patent: 6393953 (2002-05-01), Totsu
patent: 6681662 (2004-01-01), Blackston
patent: 6808182 (2004-10-01), Lin
patent: 2004/0031360 (2004-02-01), Her
patent: 3123112 (1982-12-01), None
patent: 2050899 (1981-01-01), None
patent: 2050900 (1981-01-01), None

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