Title:
ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2024/084849
Kind Code:
A1
Abstract:
This electric motor comprises: a rotary shaft, the axial direction of which is the direction in which the axis thereof extends; a commutator that is attached to the rotary shaft; a brush that is in contact with the commutator; and a brush spring for pressing the brush against the commutator. The brush has an arc shape. The brush spring is a constant-force spring having a spiral section where a band-shaped wire member is wound into a spiral shape, and the brush spring applies pressure to the brush at the inner peripheral surface of the spiral section.
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| JPH0624378 | [Name of device] Brush holding device |
| JP4465284 | Small motor |
Inventors:
NAKANO KEISAKU
TOYA KAZUO
TOYA KAZUO
Application Number:
PCT/JP2023/032451
Publication Date:
April 25, 2024
Filing Date:
September 06, 2023
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K13/00; H01R39/26
Foreign References:
| JPS53149802U | 1978-11-25 | |||
| JPS55122475U | 1980-08-30 | |||
| US5434463A | 1995-07-18 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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