Title:
POWER TOOL
Document Type and Number:
WIPO Patent Application WO/2018/179587
Kind Code:
A1
Abstract:
A first holding section 20 is provided on an inner peripheral surface of a housing 2, and holds an outer periphery of a motor 4, said outer periphery being on one end side of the motor. A second holding section 21 holds an outer periphery of a first bearing 13a that supports a first motor shaft 12a extending from the one end side of the motor 4. A third holding section 22 is provided on the inner peripheral surface of the housing 2, and holds an outer periphery of the motor 4, said outer periphery being on the other end side of the motor. A fourth holding section 23 holds an outer periphery of a second bearing that supports a second motor shaft 12b extending from the other end side of the motor 4. A first chamber 30 houses a cooling fan 3, and has a first ventilation hole 14. A second chamber 31 has a second ventilation hole 15.
Inventors:
KITAMURA KOTA
YAMANE TSUYOSHI
TAKEYAMA ATSUSHI
YAMANE TSUYOSHI
TAKEYAMA ATSUSHI
Application Number:
PCT/JP2017/043090
Publication Date:
October 04, 2018
Filing Date:
November 30, 2017
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
B25F5/00; H02K9/06
Domestic Patent References:
| WO2012128004A1 | 2012-09-27 |
Foreign References:
| JP2015051482A | 2015-03-19 | |||
| JP2013035105A | 2013-02-21 | |||
| JP2007196363A | 2007-08-09 | |||
| JP2015223658A | 2015-12-14 | |||
| JP2014117792A | 2014-06-30 | |||
| JP2007136607A | 2007-06-07 | |||
| JP2006000972A | 2006-01-05 | |||
| JP2012071360A | 2012-04-12 |
Other References:
See also references of EP 3603894A4
Attorney, Agent or Firm:
MORISHITA Sakaki (JP)
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