Laminated nut with anti-spin off structure and method of making

Details Laminated nut with anti-spin off structure and method of making Laminated nut with anti-spin off structure and method of making

1990-05-21

1991-09-17

Lindsey, Rodney M.

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

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

Multipart

411222, F16B 3708

Patent

active

050490176

ABSTRACT:
A laminated nut structure and method of making same with the nut structure having a plurality of coned disc washers having a common threaded bore with the disc washers being held in a cage having fingers gripping the disc washers with at least one of the disc washers being of a deformable material and the others being of a hard material with the threads in the portion of the bore defined by the one disc washer being deformed to provide a prevailing torque characteristic with the thread of an associated bolt portion and with at least one of the cage fingers having an opening in line with the one of the disc washers whereby it can be engaged by a tool to deform the thread at that location.

REFERENCES:
patent: 375294 (1887-12-01), Johns
patent: 2382748 (1945-08-01), Schuttler
patent: 3233262 (1966-02-01), Vollman
patent: 4383787 (1983-05-01), Reynolds
patent: 4900209 (1990-02-01), Reynolds
patent: 4930962 (1990-06-01), Reynolds
patent: 4940377 (1990-07-01), Reynolds

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