Title:
MOTOR
Document Type and Number:
Japanese Patent JP2020171195
Kind Code:
A
Abstract:
To provide an inner rotor type motor which can hold a rotation position and has a simple structure.SOLUTION: An inner rotor type motor 1 includes: an armature assembly 1b; a frame assembly 1a; and a biasing structure 40. The armature assembly 1b has a rotary shaft 2 and an armature part 4 attached to the rotary shaft 2. The frame assembly 1a houses the armature part 4 therein. The frame assembly 1a pivotally supports the rotary shaft 2 with a first bearing part 21 located at one axial side of the armature part 4 and a second bearing part 26 located at the other axial side of the armature part 4. The biasing structure 40 biases the rotary shaft 2 in a direction away from the second bearing part 26 between the second bearing part 26 and the armature part 4. A pressing part 2a provided at the armature assembly 1b is pressed to the first bearing part 21.SELECTED DRAWING: Figure 1
Inventors:
MOCHIZUKI HIROAKI
KURODA MINORU
KURODA MINORU
Application Number:
JP2020124400A
Publication Date:
October 15, 2020
Filing Date:
July 21, 2020
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
H02K5/16; H02K7/118; H02K13/00; H02K23/68
Domestic Patent References:
| JPH0447367U | 1992-04-22 | |||
| JPS58169233U | 1983-11-11 | |||
| JP2010011531A | 2010-01-14 | |||
| JP2005240706A | 2005-09-08 | |||
| JP2007252130A | 2007-09-27 |
Attorney, Agent or Firm:
Yutaka Tsubaki
Ishikawa Tatsuro
Ishikawa Tatsuro