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Patent Searching and Data


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:
JP2018/022651
Publication Date:
January 17, 2019
Filing Date:
June 14, 2018
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
International Classes:
H02K13/00; A47L9/00; H01R39/40; H02K7/14
Foreign References:
JP2014124008A2014-07-03
DE202010007213U12010-08-26
JP2016217321A2016-12-22
DE202011100866U12011-08-29
US20120146449A12012-06-14
Attorney, Agent or Firm:
KAMATA Kenji et al. (1-61, Shiromi 2-chome, Chuo-ku, Osaka-sh, Osaka 07, 〒5406207, JP)
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