| 摘要 |
An electrical connector assembly of the present invention has a pair of connector housings 2, 3 able to be fitted, and a lock arm 4 engaged with one 2 of these connector housings and holding a fitting state of the pair of connector housings when the above pair of connector housings 2, 3 is fitted. This lock arm 4 has a fitting lock portion 34 fitted to the other connector housing 3, and an engaging lock portion 35 engaged with one connector housing 2 in a releasing direction of the above fitting lock portion 34. The above fitting lock portion 34 and the above engaging lock portion 35 are arranged such that the above engaging lock portion 35 prevents the release of the above fitting lock portion 34 when only the above one connector housing 2 begins to be separated, and such that release of the above fitting lock portion 34 is not prevented by the above engaging lock portion 35 when the above lock arm 4 begins to be separated from the above other connector housing 3 together with the above one connector housing 2.
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