Braking nuts or screws and mountings obtained with same devices

Details Braking nuts or screws and mountings obtained with same devices Braking nuts or screws and mountings obtained with same devices

1995-06-15

1997-12-30

Lindsey, Rodney M.

Expanded, threaded, driven, headed, tool-deformed, or locked-thr

Fastener or fastener element composed of thermo-responsive...

411259, 411277, 411278, F16B 3912, F16B 3936

Patent

active

057022178

ABSTRACT:
Screw or nut braking rings and mountings established with the rings include a nut having an upper portion hollowed from a circular throat. Slits divide the upper portion into blocks by cutting the throat. A shape-memory alloy ring is housed in the throat so as to retighten the blocks on the threaded portion of the mounting and thus tighten it. The ring exhibits a change between the tightening state and a mounting state where it is free in the throat and can be easily mounted.

REFERENCES:
patent: 450377 (1891-04-01), Richardson
patent: 908542 (1909-01-01), Broluska
patent: 2290175 (1942-07-01), Gade
patent: 2299085 (1942-10-01), Gade
patent: 2424604 (1947-07-01), Dzus
patent: 3740839 (1973-06-01), Otte et al.
patent: 4880343 (1989-11-01), Matsumoto
patent: 4893977 (1990-01-01), Tramezzani
patent: 5127782 (1992-07-01), McCorkle et al.
patent: 5143499 (1992-09-01), Bobo et al.
patent: 5160227 (1992-11-01), Tramezzani
patent: 5366331 (1994-11-01), Erbes

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