Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent
1988-05-03
1989-02-07
Smith, Gary L.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
411437, 411908, F16B 3708
Patent
active
048028045
ABSTRACT:
A plastic clip to be tightened against a bolt comprises a base having a through hole to be penetrated vertically by the bolt, an upright post extending upright from the top of the base adjacent to the through hole, a cylindrical portion united to the outer end of the upright post and having a hole formed above and coaxial with the through hole in the base for receiving the bolt, a pair of flexible arms one extending in a curved fashion from each side of the upright post betwen the base and the cylindrical portion to slightly project with respect to the outer shape of the cylindrical portion and having a curved concave inner surface provided with a thread to be meshed with the male thread of the bolt, and a bifurcated pivotable member vertically rockably united via a reduced thickness hinge portion to the outer periphery of the cylindrical member, the bifurcated pivotable member serving to urge the pair of flexible arms sidewise against the bolt when rocked downwards.
REFERENCES:
patent: 1879421 (1932-09-01), Nalle
patent: 2736227 (1956-02-01), Stroble
patent: 4676706 (1987-06-01), Inaba
Nifco Inc.
Ringel Douglas E.
Smith Gary L.
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