Pipe joints or couplings – Essential catch – Resilient ring
Reexamination Certificate
2005-08-23
2005-08-23
Bochna, David (Department: 3679)
Pipe joints or couplings
Essential catch
Resilient ring
C285S277000, C285S280000, C285S281000
Reexamination Certificate
active
06932391
ABSTRACT:
A quick-release fitting assembly has a male fitting and a female fitting. The male and female fittings are secured together by a retaining ring that is at least partially received in aligned first and second retaining grooves that are provided in the male fitting and the throat of the female fitting respectively. A water tight seal is provided by an O-ring that is retained in a sealing groove of the male fitting and radially compressed against the throat wall when the male fitting is inserted in the female fitting. The water tight seal remains substantially intact when the male fitting is rotated relative to the female fitting. In a preferred embodiment, the male fitting is removable from the female fitting by first compressing the retaining ring so that it no longer extends into the second retaining groove. In this embodiment, a locking ledge may be provided in the first retaining groove which prevents the retaining ring from being compressed when the fitting is under pressure so that the male fitting cannot be removed from the female fitting under pressure.
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Ellis George S.
Lebreton Edward T.
Bochna David
Essef Corporation
Pearne & Gordon LLP
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