Title:
STEPPING MOTOR AND MANUFACTURING METHOD OF THE SAME
Document Type and Number:
Japanese Patent JP2014212672
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a stepping motor which is easily assembled, secures stable performance, and is suitable for mass production, and to provide a manufacturing method of the stepping motor.SOLUTION: A stepping motor includes: a motor rotary shaft; a first cylinder fixed to the outer side of the motor rotary shaft and including an exciting coil and a pair of first stators provided in an axial direction of the motor rotary shaft; a pair of permanent magnets which is integrated with the motor rotary shaft through at least a bearing pivotally supporting the motor rotary shaft and faces the first stators; a pair of second stators which is fixed to the opposite side of the first stators sandwiching the permanent magnets therebetween and faces the permanent magnets; a pair of second cylinders respectively fixing the second stators. The second cylinders are fit into the first cylinder.
Inventors:
ASANO KOTA
Application Number:
JP2013089191A
Publication Date:
November 13, 2014
Filing Date:
April 22, 2013
Export Citation:
Assignee:
CANON KK
International Classes:
H02K37/12; H02K16/04; H02K37/14
Attorney, Agent or Firm:
Yukio Takanashi