Laminated nut with one way installation

Details Laminated nut with one way installation Laminated nut with one way installation

1988-06-09

1991-05-21

Gall, Lloyd A.

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

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

Multipart

411402, 411433, F16B 2300, F16B 3708

Patent

active

050170791

ABSTRACT:
A laminated nut comprising a plurality of conical spring disc washers and a cage for receiving and holding the disc washers in a stacked, aligned relationship to define a central opening threaded to be matably received upon an associated threaded bolt, including protrusion means extending radially, outwardly from the cage to inhibit gripping of the nut by a wrenching tool at one axial end whereby the nut will only be threaded onto the bolt by the wrenching tool beginning with the opposite end of said nut.

REFERENCES:
patent: D208008 (1967-06-01), Nakajima
patent: 2358707 (1944-09-01), Haas
patent: 2382748 (1945-08-01), Schuttler
patent: 2761349 (1956-09-01), Heller
patent: 3511118 (1970-05-01), Mitchell
patent: 4269248 (1981-05-01), MacLean et al.
patent: 4383787 (1983-05-01), Reynolds

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