| 摘要 |
An object of the present invention is to provide a fluid coupling, even if it has a large diameter, in which a coupling member can be readily retained by a retainer and the retainer can be readily attached to or detached from the coupling member, and a retainer for such a fluid coupling. A retainer 5 includes an annular gasket retaining portion 21 for retaining a gasket 4 therein and an annular coupling member retaining portion 22 which has an inner diameter greater than that of the gasket retaining portion 21 and retains one coupling member 2. At an inner circumference of the gasket retaining portion 21 and an inner circumference of the coupling member retaining portion 22 are formed annular grooves 23 and 24, respectively, for holding therein elastic rings 25 and 26, respectively.
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