Title:
WORK TOOL
Document Type and Number:
WIPO Patent Application WO/2017/014008
Kind Code:
A1
Abstract:
In a work tool with a telescopic rod, the present invention makes wiring from a motor operation switch to a control circuit and an inverter circuit efficient and reduces the number of connecting wires necessary. Provided is a work tool that has an extendable wand section (3) and drives a brushless motor (13) provided on the tip of the wand section by a battery pack (70) provided on a grip section (4), wherein the control circuit and the inverter circuit are provided on a control circuit board (25) near the brushless motor, and a motor switch (44) is provided on a back housing (41). The connecting wire for connecting the switch to the control circuit is covered by a coiled cord together with a power source wire from the battery pack to form extendable wiring (8). The wand section is configured from a hollow pipe and the coiled cord is disposed inside the wand section.
Inventors:
NISHIKAWA TOMOMASA (JP)
YAHAGI AKIHISA (JP)
KONNAI TAKUYA (JP)
YAHAGI AKIHISA (JP)
KONNAI TAKUYA (JP)
Application Number:
PCT/JP2016/068988
Publication Date:
January 26, 2017
Filing Date:
June 27, 2016
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
International Classes:
B25F5/02; A47L11/283; B25F5/00
Foreign References:
JP2015082991A | 2015-04-30 | |||
JP2014023542A | 2014-02-06 | |||
JP2014037080A | 2014-02-27 | |||
JP2015127114A | 2015-07-09 | |||
JP2015095410A | 2015-05-18 |
Download PDF: