Title:
MOTOR
Document Type and Number:
Japanese Patent JP2019088187
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:
JP2019008262A
Publication Date:
June 06, 2019
Filing Date:
January 22, 2019
Export Citation:
Assignee:
MINEBEAMITSUMI INC
International Classes:
H02K5/16; F16C17/02; F16C17/04; F16C17/26; F16C25/04; H02K5/167
Domestic Patent References:
| JPS5226102U | 1977-02-23 | |||
| JP2007252130A | 2007-09-27 | |||
| JPH11113209A | 1999-04-23 | |||
| JP2014003832A | 2014-01-09 |
Foreign References:
| US6356004B1 | 2002-03-12 |
Attorney, Agent or Firm:
Yutaka Tsubaki
Ishikawa Tatsuro
Tsuyoshi Shiraka
Ishikawa Tatsuro
Tsuyoshi Shiraka