Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Having cap
Patent
1987-03-12
1988-11-15
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Having cap
411373, 411910, 403372, F16B 3714
Patent
active
047845554
ABSTRACT:
A nut, threaded onto the end portion of a bolt receives a cup shaped cover having an internal radial groove receiving an O-ring therein. The O-ring frictionally holds the cover on the nut. The nut is octagonal, hexagonal or square.
REFERENCES:
patent: 1046973 (1912-12-01), Christie
patent: 1162099 (1915-11-01), Patton
patent: 2095289 (1934-10-01), Rosenberg
patent: 2729126 (1956-01-01), Stanton
patent: 3101984 (1963-08-01), Wieckmann
patent: 3305120 (1967-02-01), Owen
patent: 3548704 (1970-12-01), Kutryk
patent: 4444301 (1984-04-01), Granberry
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