Title:
ELECTRIC TOOL
Document Type and Number:
WIPO Patent Application WO/2016/170917
Kind Code:
A1
Abstract:
Provided is an electric tool in which the risk of short-circuiting between conductive members of multiple installed switching elements has been reduced by providing partitioning plates between the switching elements. An electric tool, which has a motor, an inverter circuit with multiple switching elements for performing switching operations and controlling the driving of the motor, a control unit for controlling switching element on-off operations, and a circuit board on which the switching elements are loaded, is configured so that the circuit board is housed inside a container-shaped case (40) and the circuit board is secured with a partitioning member (50) that is interposed between the multiple switching elements and has partitioning plates (51, 52a, 52b) obtained from an insulating material.
Inventors:
TAKEDA YUUKI (JP)
SAKAI HIRONORI (JP)
SAKAI HIRONORI (JP)
Application Number:
PCT/JP2016/059688
Publication Date:
October 27, 2016
Filing Date:
March 25, 2016
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
International Classes:
B25F5/00; B24B23/02
Foreign References:
| JP2014133302A | 2014-07-24 | |||
| JP2013039653A | 2013-02-28 | |||
| JP2014210327A | 2014-11-13 | |||
| JP2012139749A | 2012-07-26 | |||
| JP2009214260A | 2009-09-24 | |||
| JP2010511518A | 2010-04-15 | |||
| JP2013093343A | 2013-05-16 |
Other References:
See also references of EP 3287240A4
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