Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Having structure to restrict rotation of threaded – mating... – Comprising a thread lock
Patent
1997-02-01
1998-03-10
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Having structure to restrict rotation of threaded, mating...
Comprising a thread lock
411316, 411949, F16B 3904, F16B 3922
Patent
active
057253447
ABSTRACT:
A positioning device (20) which permits precise adjustment and retention of the longitudinal position of a screw member (30) within a threaded receptacle (22) in incremental detent steps includes the screw member (30) having at least one spring member (42) and the threaded receptacle (22) having a plurality of circumferentially spaced longitudinal grooves (28). As the screw member (30) is rotated within the threaded receptacle (22), the spring member (42) sequentially engages the spaced longitudinal grooves (28) in incremental detent steps. The engagement between the spring member (42) and a longitudinal groove (28) retains the screw member (30) in a desired detent position, thereby resisting unwanted rotation as from vibration or thermal cycling.
REFERENCES:
patent: 902646 (1908-11-01), Conn
patent: 922261 (1909-05-01), Clay
patent: 2666456 (1954-01-01), Blanchard
patent: 2730154 (1956-01-01), Aspey
patent: 3208493 (1965-09-01), Holmes
G. W. Lisk Company, Inc.
Masters Ted
Tyson Timothy T.
Wilson Neill R.
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