Title:
電動工具
Document Type and Number:
Japanese Patent JP6856143
Kind Code:
B2
Abstract:
There is provided a power tool in which impact applied to a power transmission portion can be mitigated to thereby suppress components constituting the power transmission portion from being deformed and damaged. The power tool includes a brushless motor 3 having a rotation shaft portion 31 rotatable about a rotation axis A1, a housing 2 accommodating therein the brushless motor 3, a power transmission portion 6 configured to receive a rotation force of the rotation shaft portion 31 and to transmit a driving force based on the rotation force, and a driven portion 7 configured to be driven by receiving the transmitted driving force. The rotation shaft portion 31 is supported by the housing 2 so as to be movable relative to the housing 2 in an axial direction of the rotation axis A1.
Inventors:
Yasuo Shimizu
Jinichi Yokoyama
Naoki Tadokoro
Ryosuke Nakano
Jinichi Yokoyama
Naoki Tadokoro
Ryosuke Nakano
Application Number:
JP2019564334A
Publication Date:
April 07, 2021
Filing Date:
November 30, 2018
Export Citation:
Assignee:
Koki Holdings Co., Ltd.
International Classes:
B25F5/00; B23D49/16; B23D51/16; B27B19/04; B27B19/09
Domestic Patent References:
| JP11333762A | ||||
| JP222044U | ||||
| JP6364427U | ||||
| JP63176024U |
Foreign References:
| CN107457414A | ||||
| EP1878550A1 |
Attorney, Agent or Firm:
Kazuhiro Kitazawa
Shin Koizumi
Fukumoto Teppei
Yoshie Kim
Shin Koizumi
Fukumoto Teppei
Yoshie Kim