Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Comprising a thread lock
Patent
1979-08-07
1981-11-03
Britts, Ramon S.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Comprising a thread lock
10 86A, 411438, 411438, F16B 3712
Patent
active
042982979
ABSTRACT:
Improvement in a lock fastener comprising a length of compression spring and a housing therefor permanently fastened to a rear portion of the spring, the turns on the front portion of the spring being free for threadably engaging an externally threaded fastener of the same hand as the helix of the spring, the front end of the spring being closed and ground so that upon rotation of the housing, the front end of the spring will threadably engage the externally threaded fastener, whereby to form a lock joint between the latter and the lock fastener.
REFERENCES:
patent: 1189081 (1916-06-01), Fitzgerald
patent: 2022946 (1935-12-01), Staempfli
patent: 2210353 (1940-08-01), Barnes
patent: 2387257 (1945-10-01), Haas
patent: 2575731 (1951-11-01), Santa
Almo Manifold and Tool Company
Britts Ramon S.
Fisher William L.
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