Screwdriver

Details Screwdriver Screwdriver

1978-03-27

1979-08-21

Spruill, Robert L.

Bridges

B25B 1500

Patent

active

041649672

ABSTRACT:
A screwdriver for screws having two spaced head recesses. The screwdriver comprises tang with two ends; a handle attached to a first end of the tang; two spaced driving prongs attached at a second end of the tang for fitting into the recesses of a screw; and resilient means for varying the spacing between the prongs so the screwdriver can be used on screws having different spacing between the recesses.

REFERENCES:
patent: 1285752 (1918-11-01), Loiselle et al.
patent: 3259000 (1966-07-01), Lasch

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