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
Patent
1993-12-13
1995-07-18
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, 411915, F16B 3300, F16B 4302
Patent
active
054335680
ABSTRACT:
A washer assembly combination for use with a threaded fastener which combination includes a rigid cup and a resilient member received within the cup. The resilient member, typically a polymer of ethylene propylene diene monomer, is oversized with respect to the cup interior such that, in use, the member is compressed so as to exert a compressive force on materials held together by the fastener. The assembly is useful for fastening together of sheet metal materials, and particularly, provides a system for sealing against the ingress of water between two layers of material in which such an assembled combination is used in conjunction with a clamping member.
REFERENCES:
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patent: 1282535 (1918-10-01), Bropson
patent: 2927495 (1960-03-01), Barwood
patent: 2982573 (1961-05-01), McKee
patent: 3153971 (1964-10-01), Lovisek
patent: 3452636 (1969-07-01), Cohen et al.
patent: 3566738 (1971-03-01), Cupit
patent: 3606357 (1971-09-01), Yonkers
patent: 4621963 (1986-11-01), Reinwall
patent: 4701088 (1987-10-01), Crull
patent: 5203593 (1993-04-01), Brandener
patent: 5237789 (1993-08-01), Thaler
patent: 5338141 (1994-08-01), Hulsey
Ser. No. 08/095,021 Thaler, Jul. 22, 1993.
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