Rechargeable battery powered utility pump with series centrifugal pump configuration

摘要

603709 Disclosed is a utility pump with a housing (12) containing a series configuration of integral pumps, and also containing a battery receiving portion configured with a flat wall with electrical terminals arranged thereon for receiving power to the pump . The utility pump also has a battery (14) with a protruding portion configured with a corresponding flat wall having corresponding electrical terminals arranged thereon. The corresponding electrical terminals are configured to contact respectively both of the electrical terminals on the flat wall of the battery receiving portion to provide power from the battery (14) to the pump when the protruding portion of the battery (14) is inserted into the battery receiving portion of the housing and rotated to an“ON”position. The corresponding electrical terminals are also configured not to contact respectively both of the electrical terminals when the battery (14) is rotated from the“ON”position to an“OFF”position.