Importance

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Abstract

An electric vehicle charging connector assembly used for charging a power battery of an electric vehicle is disclosed. The connector assembly includes a vehicle side connector body (110) mounted on a body of the electric vehicle, vehicle side power terminals enclosed in the vehicle side connector body, an external connector body (120) configured to be mated with and unmated from the vehicle side connector body, external power terminals enclosed in the external connector body, a cam connecting mechanism disposed either on the vehicle side connector body or on the external connector body and including cam grooves (17) and cam projections receivable within the respective cam grooves, clearance grooves (18) contiguous to the respective cam grooves of the cam connecting mechanism, each clearance groove extending at the side of the external connector body relative to a final mating location of both connector bodies along a direction in which both connector bodies are mated together, a lock mechanism formed as lock grooves (19) holding both connector bodies in a mated state when both connector bodies reach the final mating location, and a return spring (25) disposed either on the vehicle side connector body or the external connector body so as to be located therebetween when both connector bodies are mated together, the return spring forcing the connector bodies apart unless the cam projections are received in the respective lock grooves.

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First Claim