Title:
MOTOR
Document Type and Number:
Japanese Patent JP2021078195
Kind Code:
A
Abstract:
To provide a motor in which noise can be reduced.SOLUTION: A motor 1 according to the present invention includes a commutator 9, a brush 5 having a contact surface 53 that is in contact with the commutator 9, a first surface 51 that is disposed so as to be back to back to the contact surface 53 in the radial direction of the commutator 9, and a second surface that faces in the circumferential direction of the commutator 9, and a coil spring 3 that urges the brush 5. The coil spring 3 includes a first arm 31 that presses the first surface 51 in the radial direction of the commutator 9, and a second arm 32 that presses the second surface 52 in the circumferential direction of the commutator 9. In addition, the first arm 31 and the second arm 32 both press the first surface 51 and the second surface 52.SELECTED DRAWING: Figure 2
Inventors:
KURODA MINORU
Application Number:
JP2019201359A
Publication Date:
May 20, 2021
Filing Date:
November 06, 2019
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
H02K13/00; H01R39/18
Attorney, Agent or Firm:
Einzel Felix-Reinhard
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima
Junichi Maekawa
Hiroyasu Ninomiya
Ueshima