Locking pin and nut combination and method for visual inspection

Details Locking pin and nut combination and method for visual inspection Locking pin and nut combination and method for visual inspection

1989-11-20

1991-02-26

Noland, Tom

Measuring and testing

Inspecting

738659, 411320, G01N 2129, G01M 1100, F16B 3904, F16B 4100

Patent

active

049952749

ABSTRACT:
Visual inspection of an assembly of a type including nuts and associated locking pins is improved by providing a visually distinctive color difference on the surface of the pin. The invention is particularly useful in assemblies such as air craft where there are a large number of castellated nuts which are located in place on the corresponding bolt by a cotter pin. The presence of the cotter pin can thus be visually determined more easily by its distinctive color from the corresponding castellated nut.

REFERENCES:
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patent: 2307919 (1943-01-01), Crabbs
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patent: 3638980 (1972-02-01), Kleinhenn
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patent: 4125008 (1978-11-01), Genest et al.
patent: 4172524 (1979-10-01), Holm et al.
patent: 4708359 (1987-11-01), Davenport
patent: 4904132 (1990-02-01), Popenoe

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