Driver or bit construction

Details Driver or bit construction Driver or bit construction

1995-02-23

1996-09-17

Little, Willis

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

811775, B25B 2300, B25B 2316

Patent

active

055557813

ABSTRACT:
A bit construction for use in restricted work spaces includes a preformed cap member having a center axial counterbore for receipt of cylindrical bit member having a shaped end that projects outwardly from the cap member and defines a bit for engaging a fastener and acting as a driver. A specific brazing operation enables assembly of the component parts to provide a useful bit construction.

REFERENCES:
patent: D45165 (1914-01-01), Warren
patent: 4827812 (1989-05-01), Markovetz
patent: 4934221 (1990-06-01), Hsiao
patent: 4976173 (1990-12-01), Yang

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