Expanded – threaded – driven – headed – tool-deformed – or locked-thr – Threaded fastener locked to a discreet structure – Member or portion thereof located between substructure and...
Patent
1993-09-02
1995-04-25
Saether, Flemming
Expanded, threaded, driven, headed, tool-deformed, or locked-thr
Threaded fastener locked to a discreet structure
Member or portion thereof located between substructure and...
411542, 411902, F16B 3924, F16B 4302
Patent
active
054093376
ABSTRACT:
A seal assembly (21) is disclosed for use with a housing (H) which defines a fluid chamber (C) and a threaded opening (O). In threaded engagement with the opening is a threaded portion (13) of a device such as a sensor assembly (11 ). The housing defines a counterbore (CB) disposed axially between the threaded opening (O) and an external surface (S). The seal assembly (21) includes a metal support member (23) including a cylindrical portion (27) having inner (33) and outer (35) portions of elastomeric sealing material. The seal assembly is pressed into the counterbore and, by means of the interference fit therebetween, may be permanently retained therein. As the member is threaded into the opening, the underside (16) of the head (15) deforms a sealing lip (39) radially inward into engagement with the threaded portion (13). As a result, the threaded member may be removed and replaced by another, without loss of sealing function, and without the need to replace the conventional, prior art O-ring seal which would normally be retained on the threaded member.
REFERENCES:
patent: 2343235 (1944-02-01), Bashark
patent: 3286577 (1966-11-01), Weidner
patent: 3316952 (1967-05-01), Hollinger
patent: 3482864 (1969-12-01), Bynum
patent: 3519279 (1970-07-01), Wagner
patent: 5165834 (1992-11-01), Takenouchi
Brown Patrick L.
Mazurek Eugene S.
Muyskens Dale E.
Eaton Corporation
Gordon Howard D.
Kasper L. J.
Saether Flemming
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