Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Internally threaded fastener element – e.g. – nut – etc. – Multipart
Patent
1996-04-26
1997-04-22
Wilson, Neill R.
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Internally threaded fastener element, e.g., nut, etc.
Multipart
411223, 411917, F16B 3708, F16B 2700
Patent
active
056224656
ABSTRACT:
A lock nut to connect a joint having a threaded connector has a first nut member engagable with the threaded connector and axially displaceable, a second nut member engagable with the first nut member and turnable about an axis, a third nut member which is non-rotatably but axially displaceably connected with the first nut member and has a first substantially smooth surface over which the second nut member moves during rotation and another substantially rough surface which is embedable into a surface of the joint, and a locking element to achieve non-rotatability of the nut members. When the second nut member is turned about the axis against the smooth surface of the washer, the first nut member is displaced axially to apply a load to the threaded connector, while the rough surface of the third nut member embeds into the surface of the joint. When the lock nut is sufficiently tightened, the locking element eliminates the rotation of the second nut member.
REFERENCES:
patent: 5137408 (1992-08-01), Junkers
patent: 5152649 (1992-10-01), Popp
patent: 5253967 (1993-10-01), Organ et al.
patent: 5318397 (1994-06-01), Junkers
patent: 5538379 (1996-07-01), Junkers
patent: 5539970 (1996-07-01), Junkers
Striker Michael J.
Wilson Neill R.
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