Patent ID: 6509668
Filing Date: 2003-01-21
Classification: H02K

Abstract:
An electric motor for hand power tools, comprising a rotor including a metal plate pack nonrotatably mounted on a rotor shaft, said rotor being rotatably supported by at least one bearing pin, said at least one bearing pin being nonrotatably connected with said rotor shaft, said metal plate pack having a plurality of grooves which are spaced from one another in a peripheral direction and provided with a groove coating of insulating material; a rotor winding received in said grooves provided with said groove coating, said metal plate pack having end plates composed of insulating material, said end plates being arranged on opposite end sides of said metal plate pack, wherein said groove coatings, said end plates and shaft ends of said rotor shaft axially projecting from said end plates are synthetic plastic parts produced by injection molding, wherein said at least one bearing pin is hollow, is injection molded in at least one of said shaft ends as an insert in alignment with said shaft ends, and has a respective pin part, which freely projects from said at least one of said shaft ends and is formed for receiving an additional element.