Patent ID: 7377796

Claim:
A connector for mating with a partner connector having a cam pin, the connector comprising: a connector housing including a guide groove for receiving the cam pin; and a lever including a cam groove engageable with the cam pin and rotatably supported on the connector housing; wherein, in the initially engaged state of the connector and the partner connector, the cam pin is disposed in the entrance openings of the guide groove and the cam groove, and when the lever is operated and rotated, the cam pin is engaged with the cam groove and is pushed deep into the guide groove so that the connector is completely engaged with the partner connector; wherein the connector further includes a dustproof cover removably mounted on the connector housing and covering the insertion opening of the connector housing into which the partner connector can be inserted and including a pressure portion to be pressed against the lever; and by pressing the lever using the pressure portion, the lever can be held at an initial position where the entrance opening of the cam groove coincides with the entrance opening of the guide groove.