Driving tool having irrotatable bars

Details Driving tool having irrotatable bars Driving tool having irrotatable bars

2006-05-09

2006-05-09

Shakeri, Hadi (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Handle or shank

C081S177850

Reexamination Certificate

active

07040200

ABSTRACT:
A driving tool includes a driving head with a passage defined therethrough so that a bar movably extends through the passage. A driving protrusion extends from a bottom end of the driving head and a top hole is defined through a top of the driving head. A positioning member is received in the driving head. The bar has a positioning portion which is engaged with the positioning member so that the bar is not rotatable in the passage.

REFERENCES:
patent: 1724491 (1929-08-01), Mandl
patent: 2593828 (1952-04-01), Arey
patent: 2968980 (1961-01-01), Zierold
patent: 3813967 (1974-06-01), De Haven
patent: 4781085 (1988-11-01), Fox, III
patent: 5272942 (1993-12-01), Hull et al.
patent: 6260452 (2001-07-01), Yu

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