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Patent Searching and Data


Title:
POWER TOOL
Document Type and Number:
WIPO Patent Application WO/2012/073889
Kind Code:
A1
Abstract:
[Problem] To provide a hand-held power tool which is equipped with a motor and can be used in a normal driving mode for a tip end tool and also in driving modes other than the normal driving mode. [Solution] A power tool in which a tip end tool (119) is driven by a motor (111) to thereby perform a predetermined machining process on a workpiece, wherein the motor (111) is a dual rotor motor comprising: an inner rotor (121); an outer rotor (123); and a stator (125) including a driving coil mechanism, with the inner rotor (121) and the outer rotor (123) being coaxially disposed.

Inventors:
HIRABAYASHI SHINJI (JP)
OTA KENICHI (JP)
Application Number:
PCT/JP2011/077381
Publication Date:
June 07, 2012
Filing Date:
November 28, 2011
Export Citation:
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Assignee:
MAKITA CORP (JP)
HIRABAYASHI SHINJI (JP)
OTA KENICHI (JP)
International Classes:
B25F5/00; B25B23/14; H02K16/00
Domestic Patent References:
WO2010044231A12010-04-22
WO2010101008A12010-09-10
Foreign References:
JPH05502627A1993-05-13
JPH04334953A1992-11-24
US6373160B12002-04-16
JPS60245456A1985-12-05
JPH09254033A1997-09-30
JP2001150364A2001-06-05
US7311027B12007-12-25
JPH10329051A1998-12-15
JP2007295773A2007-11-08
Other References:
See also references of EP 2647472A4
Attorney, Agent or Firm:
IWATA Tetsuyuki et al. (JP)
Tetsuyuki Iwata (JP)
Download PDF:
Claims: