Tools – Wrench – screwdriver – or driver therefor – Having work engaging and force exerting portion inserted...
Patent
1998-03-09
2000-09-12
Scherbel, David A.
Tools
Wrench, screwdriver, or driver therefor
Having work engaging and force exerting portion inserted...
81451, B25B 2308
Patent
active
06116125&
ABSTRACT:
A gripping accessory comprises a body having first and second ends. The first end of the body is connectable to the shaft of a screwdriver at its tip, while the second end of the body is sized to received the head of a screw and has a gripping formation to hold the screw head in place. The portion of the body connected to the shaft of the screwdriver is a spiral.
REFERENCES:
patent: 797078 (1905-08-01), Shelton
patent: 1360500 (1920-11-01), Coll
patent: 2317085 (1943-04-01), Raby
patent: 5065649 (1991-11-01), Evers et al.
Scherbel David A.
Shanley Daniel
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