Patent ID: 8928193
Filing Date: 2015-01-06
Classification: G01R,H02K

Abstract:
1. A stepping motor for a meter to rotate a pointer of the meter, the stepping motor for a meter comprising: a rotor part comprising: a rotational shaft being hollow and made of a resin, wherein the rotational shaft is molded on an inner periphery of the cylindrical magnet and is coaxial with the cylindrical magnet; wherein a stopper part is provided to the rotational shaft, wherein a stopper pin is provided on a position corresponding to a radial position of the stopper part that is rotated with rotating of the rotational shaft, and wherein the rotation of the rotational shaft is restrained by contacting of the stopper part with the stopper pin, a stator part that contains the rotor part therein and has an excitation coil; a front plate made of a resin, and an end plate made of a resin, wherein a holding portion provided to fix the cylindrical magnet is molded when molding the rotational shaft, and wherein the cylindrical magnet is fixed by the holding portion so that the cylindrical magnet and the rotational shaft are integrated with omitting a sleeve.