US Patent 10177487 Electrical connector assembly

An electrical connector assembly includes a cable connector equipped with a locking device essentially composed of an operation part pivotally mounted to the case, and a locking part pivotally mounted to the operation part, and a host connector equipped with a locking ear for locking with the locking part wherein the host connector forms a forward protrusion to form an outer region and an inner region each provided with a sealing member adapted to be compressed in the front-to-back direction by locking mechanism.