ディスクモータ及び電動工具

Title:

ディスクモータ及び電動工具

Document Type and Number:

Japanese Patent JP5796814

Kind Code:

B2

Abstract:

PROBLEM TO BE SOLVED: To provide a disk motor which is excellent in heat radiation and an electric power tool which is equipped with the disk motor.SOLUTION: A disk motor 3 includes an output shaft 31 and a substantially discoid shape coil part 36 having a coil 36B and a commutator 35A. The coil part 36 is coaxially fixed to the output shaft 31, and magnets 38 are disposed around the coil part 36. A penetration hole 36b, which penetrates through the output shaft 31 in the axial direction, is formed over an entire circumference of the output shaft 31 serving as a center of the hole.

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Inventors:

Fujiwara Masahiro
Yuichi Sato
Kikuchi Hajime
Hideyuki Tanimoto

Application Number:

JP2010220601A

Publication Date:

October 21, 2015

Filing Date:

September 30, 2010

Export Citation:

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Assignee:

Hitachi Koki Co., Ltd.

International Classes:

H02K3/26; A01D34/68; A01D34/78; B25F5/00; H02K9/06; H02K23/04

Domestic Patent References:

JP53040407U
JP59149472U
JP2003299288A
JP2004225642A
JP55056480U
JP2013240182A

Attorney, Agent or Firm:

Kazuhiro Kitazawa
Shin Koizumi
Akiko Ichikawa
Kunihiko Wakabayashi

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