Quick application/release nut with engagement indicator

Details Quick application/release nut with engagement indicator Quick application/release nut with engagement indicator

1991-09-13

1992-06-02

Lindsey, Rodney M.

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

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

Multipart

411 14, 411267, F16B 3708

Patent

active

051182378

ABSTRACT:
A composite nut is shown which permits a fastener to be inserted or removed from either side with an indicator of fastener engagement. The nut has a plurality of segments, preferably at least three segments, which are internally threaded, spring-loaded apart by an internal spring, and has detents on opposite sides which force the nut segments into operative engagement with a threaded member when pushed in and release the segments for quick insertion or removal of the nut when moved out. When the nut is installed, end pressure on one of the detents presses the nut segments into operative engagement with a threaded member where continued rotation locks the structure together with the detents depressed to indicate positive locking engagement of the nut. On removal, counterclockwise rotation of the nut relieves the endwise pressure on the detents permitting internal springs to force the detents outward and allowing the nut segments to move outward and separate to permit quick removal of the fastener.

REFERENCES:
patent: 2384953 (1945-09-01), Miller
patent: 2576579 (1951-11-01), Donovan
patent: 3385338 (1968-05-01), Morin
patent: 4378187 (1983-03-01), Fullerton

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