Title:
ELECTRIC MOTOR, ELECTRIC AIR BLOWER, CLEANER, AND HOLDER FOR ELECTRIC MOTOR
Document Type and Number:
WIPO Patent Application WO/2019/012903
Kind Code:
A1
Abstract:
This electric motor (2) is provided with: a rotor (10); a shaft (30) fixed to the rotor (10); a commutator (40) mounted to the shaft (30); a brush (50) disposed so as to be capable of slidably contacting the commutator (40); and a torsion spring (60) which presses the brush (50) onto the commutator (40), wherein the torsion spring (60) is disposed such that a coil part (61), which is included in the torsion spring (60), has a winding axis substantially orthogonal to the longitudinal direction of the shaft (30).
Inventors:
FUJITA KATSUTOSHI
Application Number:
PCT/JP2018/022651
Publication Date:
January 17, 2019
Filing Date:
June 14, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02K13/00; A47L9/00; H01R39/40; H02K7/14
Foreign References:
| JP2014124008A | 2014-07-03 | |||
| DE202010007213U1 | 2010-08-26 | |||
| JP2016217321A | 2016-12-22 | |||
| DE202011100866U1 | 2011-08-29 | |||
| US20120146449A1 | 2012-06-14 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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