Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Head driving structure
Patent
1998-05-29
2000-03-14
Wilson, Neill
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Head driving structure
411910, 411919, 301 3562, F16B 2300, F16B 3506, B60B 2500
Patent
active
06036419&
ABSTRACT:
A fastener comprising an elongated body having a longitudinal axis and an outer surface and first and second ends, a seating configuration on the first end, a ridge extending circumferentially about the body adjacent to the seating configuration, a plurality of splines on the outer surface extending from the second end toward the first end and terminating at the ridge, and grooves between the splines extending from the second end toward the first end and through the ridge.
REFERENCES:
patent: 3354757 (1967-11-01), Grimm et al.
patent: 3400626 (1968-09-01), Bergere
patent: 3519979 (1970-07-01), Badenstein
patent: 4361412 (1982-11-01), Stolarczyk
patent: 5324149 (1994-06-01), Bainbridge et al.
Lanham Thomas R.
McCauley Lewis D.
Gastel Joseph P.
McGard, Inc.
Wilson Neill
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