Separation fastener with segmented washer

Details Separation fastener with segmented washer Separation fastener with segmented washer

2011-01-04

2011-01-04

Estremsky, Gary (Department: 3677)

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

Internally threaded fastener element, e.g., nut, etc.

Multipart

C411S433000

Reexamination Certificate

active

07862282

ABSTRACT:
A separation fastener assembly including a base and a housing positioned adjacent the base. A nut is disposed in the cavity. A bolt extends through an aperture in the base and including an end coupled to the nut. A washer is positioned proximate the nut and operative to retain the nut within the housing. The washer includes a plurality of segments. An actuator is carried by the housing and is in communication with the cavity. The actuator is operative to displace the housing relative to the washer from a first position radially retaining plurality of segments of the washer and retaining the nut in the cavity to a second position permitting radial expansion of the plurality of segments and permitting withdrawal of the nut from the housing.

REFERENCES:
patent: 3120149 (1964-02-01), Dickie
patent: 3147663 (1964-09-01), Brown
patent: 3170363 (1965-02-01), Dickie
patent: 3262351 (1966-07-01), Webb
patent: 3268928 (1966-08-01), Dickie
patent: 3331278 (1967-07-01), Brown
patent: 3926090 (1975-12-01), Bunker
patent: 4410293 (1983-10-01), Elias et al.
patent: 4929135 (1990-05-01), Delarue et al.
patent: 5671650 (1997-09-01), Aubret
patent: 7001127 (2006-02-01), Tuszynski
patent: 1 705 389 (2006-09-01), None
patent: 2007-030560 (2007-09-01), None

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