Straight thread adjustable port end

Details Straight thread adjustable port end Straight thread adjustable port end

2006-07-04

2006-07-04

Bochna, David (Department: 3679)

Pipe joints or couplings

End to side or plate

Screw

C285S347000, C285S212000, C285S179000

Reexamination Certificate

active

07070208

ABSTRACT:
An externally threaded male hydraulic coupling member adapted for threaded and sealed attachment to a port body with a female port. The male coupling member having a tubular member with a threaded end, a bore extending through the member, a first cylindrical peripheral undercut portion longitudinally adjacent the threaded end, a series of intermediate external threads, and a second cylindrical undercut portion. The coupling member having a seal member and an annular ring member located in peripheral sealing contact with the first undercut portion. Wherein upon attachment, the seal member is encapsulated by the annular ring, the female port and the first undercut portion forming an annular chamber having a longitudinal extent greater than the seal member thickness. The coupling member also having a lock nut threadedly attached to the intermediate threads with a longitudinal end located between the annular ring and the intermediate threads. The lock nut having a longitudinal extent greater than the axial length of the intermediate threads and the second undercut portion.

REFERENCES:
patent: 2373253 (1945-04-01), Martin
patent: 2759743 (1956-08-01), Bloom
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patent: 3003795 (1961-10-01), Lyon
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patent: 3346935 (1967-10-01), Lyon
patent: 3376053 (1968-04-01), Novakovich
patent: 3498644 (1970-03-01), Davies et al.
patent: 5115550 (1992-05-01), Williamson
patent: 801 243 (1950-12-01), None

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