Patent ID: 7011544

Claim:
A multiphase connector, comprising: a connector engaging portion of a connector engaging a mating connector engaging portion of a mating connector so that a contact terminal of the multiphase connector contacts with a contact terminal of the mating connector, and lock means connecting the connector to the mating connector; wherein said connector engaging portion includes a connector main body and a sleeve attached to the connector main body to be rotatable within a specific angle; said lock means includes a locking portion disposed on the sleeve and a locking groove portion disposed on the mating connector engaging portion; said locking groove portion includes a guide groove portion guiding the locking portion when the sleeve is rotated, and an engaging groove portion detachably engaging the locking portion when the sleeve is further rotated; an entrance portion of the guide groove portion has a width larger than that of the engaging groove portion; and sleeve rotation restricting means restricts a rotational amount of the sleeve upon engaging between the guide groove portion and the engaging groove portion.