Tool element and screw for mating engagement therewith

Details Tool element and screw for mating engagement therewith Tool element and screw for mating engagement therewith

2006-04-18

2006-04-18

Thomas, David B. (Department: 3723)

Tools

Wrench, screwdriver, or driver therefor

Having work engaging and force exerting portion inserted...

C081S461000

Reexamination Certificate

active

07028592

ABSTRACT:
Disclosed herein is a kit comprising a tool element and a screw for mating engagement therewith. The tool element is preferably a portion of a screwdriver, ratchet or power tool and preferably comprises blade means, flared drive means and substantially rectangular shank drive means. The screw preferably comprises a head and a body and the head of the screw preferably comprises a slot and a substantially rectangular shank set. In preferred embodiments of the kit, the flared drive means of the tool element is preferably sized to engage the slot of the screw and the substantially rectangular shank drive means of the tool element is preferably sized to engage the substantially rectangular shank set of the screw. Additional embodiments of the invention are disclosed herein.

REFERENCES:
patent: 1797390 (1931-03-01), Launay
patent: 2567466 (1951-09-01), Bartlett
patent: 3175593 (1965-03-01), Pierre
patent: 3888144 (1975-06-01), Parsons
patent: 3891017 (1975-06-01), Iskra
patent: 3985170 (1976-10-01), Iskra
patent: 4190091 (1980-02-01), Colognori
patent: 4325153 (1982-04-01), Finnegan
patent: 5214987 (1993-06-01), Fenton, Sr.
patent: 6128983 (2000-10-01), Arnn

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