Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Externally threaded fastener element – e.g. – bolt – screw – etc. – Separate head element
Patent
1980-12-19
1983-11-22
Britts, Ramon S.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Externally threaded fastener element, e.g., bolt, screw, etc.
Separate head element
411200, F16B 3904, F16B 3500
Patent
active
044165749
ABSTRACT:
A bolt is fabricated from an elongated threaded rod by severing the rod along a planar surface angularly oriented with respect to a longitudinal axial plane through the rod. A cup-shaped nut has three equicircumferentially spaced lateral locking openings in the side walls adjacent the outer base wall thereof. The cup-shaped nut has an axial length greater than twice the diameter of the opening, with the opening in the half of the nut including the base wall. The nut is threaded onto the severed end of the rod with the base wall abutting the end of the rod. At least one locking opening is exposed to the inclined planar surface, and a pin is forced into the exposed opening with the inner end of the pin terminating within the nut and located immediately adjacent to the inclined surface thereby affecting a positive interconnection of the nut to the rod.
REFERENCES:
patent: 291039 (1884-01-01), Edgell
patent: 388007 (1888-08-01), Whitney
patent: 840249 (1907-01-01), Patton
patent: 2810139 (1957-10-01), Plagemann
patent: 3468211 (1969-09-01), Suan
patent: 4266460 (1981-05-01), Klimowicz
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