around each tooth and a stator yoke core that connects the respective teeth the teeth and the stator yoke core integrally fixed by a molding resin the rotary electric machine also includes a rotor with a plurality of magnets that face the teeth the magnets and teeth separated from each other by a space therebetween each of the teeth comprises a head portion facing opposite the magnets a coil wind up portion around which the coil is wound up and an insert portion that can be inserted into the stator yoke core the insert portion including a groove formed in a portion of the insert portion that protrudes from the stator yoke core where the groove is fillable with the molding resin to inhibit the teeth from disengaging from the stator yoke core application_number US 48897206 A description preferred embodiments of the present invention will be described hereunder with reference to the accompanying drawings the first embodiment of the present invention is represented by fig1 to 11 with reference to fig1 and 2 reference numeral 11 denotes an electric wheelchair or electrically powered wheelchair mounted with an electric motor 12 as a rotary electric machine according to the present invention and the electric wheelchair is driven and traveled by the driving.