| 摘要 |
A male housing ( 10 ) has a lock ( 17 ), whereas a female housing ( 20 ) has a resiliently deformable lock arm ( 31 ) cantilevered along a connecting direction of the two housings ( 10, 20 ). The lock arm ( 31 ) deforms in the process of connecting the two housings ( 10, 20 ) and resiliently restores upon proper connection to engage the lock ( 17 ) for holding the housings ( 10, 20 ) connected. The female housing ( 20 ) has a first lock protecting wall ( 36 ) covering a side of the lock arm ( 31 ) including a free end portion ( 31 b), and a second lock protecting wall ( 37 ) covering a side of the lock arm ( 31 ) including base end portions ( 31 a). An unlocking space ( 38 ) between the first and second lock protecting wall ( 36, 37 ) exposes a middle part ( 31 c) of the lock arm ( 31 ) to the outside.
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