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Patent Searching and Data


Title:
ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2019/208038
Kind Code:
A1
Abstract:
A torque transmission mechanism (5) has a magnetic coupling (20) comprising: a driving magnet member coupled to a drive shaft (4) side, the drive shaft (4) being rotated and driven by a motor (2); and a driven magnet member (22) coupled to an output shaft (6) side to which a tip end tool can be mounted. A clutch mechanism (8) is provided between the motor (2) and the torque transmission mechanism (5). The moment of inertia of the driven magnet member (22) side is greater than the moment of inertia of the driving magnet member side.

Inventors:
MIZUNO Mitsumasa
MURUI Itaru
NAKAMURA Atsushi
Application Number:
JP2019/011788
Publication Date:
October 31, 2019
Filing Date:
March 20, 2019
Export Citation:
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Assignee:
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD. (1-61, Shiromi 2-chome Chuo-k, Osaka-shi Osaka 07, 〒5406207, JP)
International Classes:
B25B21/02
Foreign References:
JP2016174460A2016-09-29
JP2012245463A2012-12-13
JPS51104160A1976-09-14
JPS6466490A1989-03-13
JP2019058970A2019-04-18
Attorney, Agent or Firm:
MUNETA Satoshi (2-11-12, Ebisu-Nishi Shibuya-ku Tokyo, 21, 〒1500021, JP)
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