| 摘要 |
A quick connector can surely prevent incomplete connection of a tube thereto and is provided with a retainer which can be easily returned to its releasing position without being subject to restrictive conditions including working space when the tube connected to the quick connector needs to be removed from the quick connector. A retainer 16 is provided with arms 31a and 31b extending so as to be in contact with diametrically opposite parts, respectively, of the outer surface of a housing 12. Locking hooks 34a and 34b are formed on free end parts of the arms 31a and 31b, respectively. First stoppers 35a and 35b are formed on the outer surface of the housing 12 so as to engage with the locking hooks 34a and 34b of the retainer 16 such that the retainer 16 can be moved from the releasing position only in a direction in which the retainer 16 is pressed into the housing 12.
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