Pipe joints or couplings – Essential catch – Resilient ring
Reexamination Certificate
2008-03-24
2009-12-15
Hewitt, James M (Department: 3679)
Pipe joints or couplings
Essential catch
Resilient ring
C285S347000
Reexamination Certificate
active
07631905
ABSTRACT:
A quick connect coupling having a clip, a port having an interior annular groove adapted to support the clip, a forward cylinder, a rear cylinder, and a first transition ramp, and defines a port peak distance. The coupling also has a sealing element. Additionally, the coupling also has a stem having a male connection portion including a forward annular seal groove adapted to receive the sealing element, an annular lead-in surface, a leading support cylindrical surface, a following support cylindrical surface, a camming ramp, and defines a stem peak distance. The port has an intermediate cylinder between the forward cylinder and the rear cylinder and has a second transition ramp between the forward cylinder and the intermediate cylinder and the male connection portion has a centering ramp and an intermediate support cylindrical surface between the leading support cylindrical surface and the following support cylindrical surface.
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Leasure Randall Mark
McGee Stephen
Swift Jonathan Clark
Dunlap, Esq. P. N.
Hewitt James M
Mahurin, Esq. J. L.
The Gates Corporation
Thurnau, Esq. J. A.
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