Patent ID: 7346975
Filing Date: 2008-03-25
Classification: H02K,Y10T

Abstract:
1. A method of manufacturing a stator for an inner rotor type of motor that comprises a stator core comprising a core back having an arc shaped inner surface and a plurality of stator teeth that extend inward in the radial direction from the arc shaped inner surface, and windings that are wound around each of the stator teeth, the method comprising the steps of: preparing a plurality of core plates that are each comprised of a stator core portion that corresponds to the stator core, a chuck frame portion that is disposed such that the chuck frame portion surrounds the stator core portion, and connector arm portions that connect the stator core portion and the chuck frame portion, all portions of each of the core plate being integrally formed with each other; laminating each of the core plates to form the stator core, a chuck frame, and connecting arms formed respectively from the stator core portions, the chuck frame portion, and the connecting arm portions; winding wire around each stator tooth on the stator core while chucking the chuck frame of the core plates; and cutting the stator core from each connecting arm after winding is completed and removing the stator core from the chuck frame.