Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Headed fastener element with nut – washer – securing means or cap – Sealing-type washer compressed by head
Patent
1998-12-01
2000-12-19
Saether, Flemming
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Headed fastener element with nut, washer, securing means or cap
Sealing-type washer compressed by head
411435, 55510, A47G 300, B01D 3908
Patent
active
061620009
ABSTRACT:
An engine air filter housing nut (1) which has an o-ring (2) disposed in a circumferential groove in the side that meets the engine air filter housing.
REFERENCES:
patent: 1393459 (1921-10-01), Smith
patent: 2812527 (1957-11-01), Pavlinetz
patent: 2886129 (1959-05-01), Streete
patent: 3392728 (1968-07-01), Bone
patent: 3546853 (1970-12-01), Claar
patent: 3740934 (1973-06-01), Shuler
patent: 4300928 (1981-11-01), Sugie
1998 Summit Racing Equipment p. 31, Sep.-Oct. '98 issue "AC Delco Wing Nut" .
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