Title:
電動工具
Document Type and Number:
Japanese Patent JP7194903
Kind Code:
B2
Abstract:
To provide a technology that contributes to downsizing of a rotation detection part.SOLUTION: An electric tool 1 includes: a motor unit 4 having a motor; a driving block 5 which transmits rotation output of the motor to a tip tool; and a magnetic type rotation detection part 12 which detects a rotation angle of the motor. The rotation detection part 12 includes: a rotating body 20 having a magnet 26 attached to a motor shaft 9b; and a position detection part 30 which outputs a rotation position signal according to a rotation position of the rotating body 20. At least one of the rotating body 20 and the position detection part 30 has a back yoke structure.SELECTED DRAWING: Figure 1
Inventors:
Hiroaki Murakami
Akiko Honda
Mizuno Mitsumasa
Akiko Honda
Mizuno Mitsumasa
Application Number:
JP2017107099A
Publication Date:
December 23, 2022
Filing Date:
May 30, 2017
Export Citation:
Assignee:
Panasonic IP Management Co., Ltd.
International Classes:
B25F5/00; B25B21/00; B25B23/14
Domestic Patent References:
| JP2015229223A | ||||
| JP2015146700A | ||||
| JP2016118500A | ||||
| JP2014134390A | ||||
| JP2008219995A | ||||
| JP2006158059A | ||||
| JP2012114997A | ||||
| JP2006217672A | ||||
| JP2016086557A |
Attorney, Agent or Firm:
Satoshi Soda