Particle retention means associated with fastener

Details Particle retention means associated with fastener Particle retention means associated with fastener

1990-06-04

1991-04-09

Wilson, Neill R.

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

Headed fastener element with nut, washer, securing means or cap

Headed bolt or screw with threads and complementary nut

411542, 411907, 411915, F16B 3300, F16B 4302

Patent

active

050060260

ABSTRACT:
An apparatus to collect metal particles as generated (galling) by a fastener connection to a workpiece, the fastener having a head and an axially forwardly extending shank, the combination comprising an O-ring about the head; the head forming an outwardly open annular recess spaced from the shank to receive the bulk of the O-ring; the O-ring projecting from the recess to engage the workpiece and form with the head a recess portion to receive and retain the particles.

REFERENCES:
patent: 2752814 (1956-07-01), Iaia
patent: 3173712 (1965-03-01), Zahuranec et al.
patent: 3175454 (1965-03-01), Morse
patent: 3399589 (1968-09-01), Breed
patent: 3863963 (1975-02-01), Hershey
patent: 4026183 (1977-05-01), Bart
patent: 4310273 (1982-01-01), Kirrish
patent: 4312616 (1982-01-01), Waller et al.
patent: 4701088 (1987-10-01), Crull

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