Fastener having recess useable with multiple drivers and...

Details Fastener having recess useable with multiple drivers and... Fastener having recess useable with multiple drivers and...

2005-05-10

2005-05-10

Saether, Flemming (Department: 3677)

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Externally threaded fastener element, e.g., bolt, screw, etc.

Head driving structure

C411S410000

Reexamination Certificate

active

06890139

ABSTRACT:
A fastener is described having a head formed with a recess which accommodates a square head driver, symmetrical drivers, such as PHILLIPS™ style drivers, asymmetrical style cross head drivers, such as POZIDRIV® style drivers, and combination square and cross drivers without compromising performance of the drivers.

REFERENCES:
patent: 2046839 (1936-07-01), Phillips et al.
patent: 2082748 (1937-06-01), Brown
patent: 2474994 (1949-07-01), Tomalis
patent: 3108623 (1963-10-01), Muenchinger
patent: 3237506 (1966-03-01), Muenchinger
patent: 4089357 (1978-05-01), Gill
patent: 5020954 (1991-06-01), Dreger
patent: 5203742 (1993-04-01), Grady
patent: 5358368 (1994-10-01), Conlan et al.
patent: 5364212 (1994-11-01), Gill
patent: 5674037 (1997-10-01), Lu
patent: 6223634 (2001-05-01), Hughes et al.
patent: 6234914 (2001-05-01), Stacy
patent: 6314840 (2001-11-01), Bozonnet
patent: 2092253 (1982-08-01), None
USSN 10/671,225 filed Sep. 25, 2003.
USSN 10/671,306 filed Sep. 25, 2003.

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