Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Separate head element
Patent
1986-10-31
1990-02-27
Gall, Lloyd A.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Separate head element
10 27R, 295221, 411480, 411945, F16B 2300
Patent
active
049041452
ABSTRACT:
A stud is formed with an extension to permanently hold an adapted-head by means of a forged pin. The nut-head is designed to be able to withstand torsional and shearing stresses. The extension is especially designed to form a head in conjunction with a nut-head and a pin which is forged in between. The stud-head is designed to withstand torsional and shearing stresses limited to that amount applied to the shank.
REFERENCES:
patent: 657256 (1900-09-01), Tipton
patent: 715270 (1902-12-01), Karus
patent: 880065 (1908-02-01), Brunello
patent: 1617557 (1927-02-01), Weatherhead Jr.
patent: 1915245 (1933-06-01), Cook
patent: 2169460 (1939-08-01), Broughton
patent: 2369856 (1945-02-01), Roberts
patent: 2596780 (1952-05-01), Meyers et al.
patent: 3599528 (1971-08-01), Kushnick
patent: 3978758 (1976-09-01), Bright
patent: 4213607 (1980-07-01), Fujii
patent: 4404995 (1983-09-01), Bowen et al.
patent: 4540322 (1985-09-01), Coffia
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