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AssigneesTadahiro Ohmi, Fujikin Incorporated
InventorsTadahiro Ohmi, Michio Yamaji, Shinya Nojima, Yukito Katsumi, Tsutomu Shinohara
Estimating the term…
Two coupling member 1, 2 are provided in respective butting end faces thereof with annular recessed portions 3, 4 surrounding respective fluid channels 1a, 2a thereof and having annular projections 5, 6 each formed in a bottom face of the recessed portion. A gasket 10 comprises a sealing portion 11 having an outside diameter smaller than the diameter of the recessed portions 3, 4 and positioned between the projections 5, 6 of the coupling members 1, 2, and a guide 12 having an outside diameter permitting the guide to be fitted into the recessed portions 3, 4 and positioned externally of the sealing portion 11. The butting end faces of the coupling members 1, 2 are movable into contact with each other when the coupling is tightened up properly. The sealing portion 11 has an annular groove 14 formed in an outer periphery thereof, and the sealing portion 11 and the guide 12 are connected together by a snap ring 13 fitted in the annular groove 14.
A fluid coupling comprising a first and a second coupling member having respective fluid channels in communication with each other, an annular gasket interposed between butting end faces of the two coupling members, and screw means for connecting the two coupling members together, each of the coupling members being provided in the butting end face thereof with an annular recessed portion surrounding the fluid channel thereof and having an annular projection formed in a bottom face of the recessed portion, the gasket comprising a sealing portion having an outside diameter smaller than the diameter of the recessed portion and positioned between the annular projections of the two coupling members, and a guide having an outside diameter permitting the guide to be fitted into the recessed portion and positioned externally of the sealing portion, the butting end faces of the two coupling members being movable into contact with each other when the coupling is tightened up properly.
Dependencies are inferred from the claim text.