Tension indicating and lock cone washer

Details Tension indicating and lock cone washer Tension indicating and lock cone washer

1980-08-22

1982-08-31

Britts, Ramon S.

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

With means to indicate application of predetermined...

Axially deformable member or portion

411156, F16B 4300

Patent

active

043470246

ABSTRACT:
A tension indicating and cone lock washer (10) for use in connection with a headed fastener (B) and a bearing surface (S) is provided. The washer has a generally annular body (12) with an aperture (14) therethrough. The body is of a generally frustoconical cross-section. A generally radially extending through slot (22) is provided and the remaining material aligned with the slots define at least one web (24 or 26). The washer is intended to crack along the webs at a first compression force and to act as a lock washer and not completely flatten until a second compression force, greater than the first compression force, is applied thereto.

REFERENCES:
patent: 2781687 (1957-02-01), Knocke
patent: 3174386 (1965-03-01), Lewis
patent: 3285120 (1966-11-01), Kartiala
patent: 3476009 (1969-11-01), Markey
patent: 3888289 (1975-06-01), Reynolds
patent: 4047463 (1977-09-01), Coldren
patent: 4061073 (1977-12-01), Easter et al.
patent: 4164164 (1979-08-01), Trungold

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