Patent ID: 6984901

Claim:
A hand held washing unit comprising: a motor drive unit comprising: a housing having an upper battery receiving cavity and a lower motor receiving cavity, the upper battery receiving cavity forming an open cavity for receipt of a battery pack, a motor received in said lower cavity, electrical contacts positioned within said upper cavity being electrically connected to said motor, a linkage drivingly connected to said motor, and an output drive member connected to said linkage; an elongate handle connected to said motor drive unit for grasping while in use; a battery pack having a battery pack housing for receipt of at least one battery, said battery being electrically connected to battery contacts external of said battery pack housing, and said battery pack being receivable in said upper cavity with said battery contacts in alignment with said motor contacts, said battery pack housing, said at least battery and said battery contacts being removable as a unit for recharging; and a switch interconnected between said battery and motor, for switching power between the battery and motor; whereby, upon installation of said battery pack into said upper cavity, said battery contacts electrically engage said motor contacts, electrically interconnecting said battery to said motor.