Title:
FASTENING TOOL
Document Type and Number:
WIPO Patent Application WO/2016/027385
Kind Code:
A1
Abstract:
[Problem] To provide a fastening tool such as a torque wrench which enables power supply to an electronic circuit while eliminating the need for routine maintenance by making a battery unnecessary.
[Solution] A fastening tool which outputs a fastening completion signal from an electronic circuit unit that has acquired a detection signal outputted by a torque limiter operation detection unit when fastening torque has reached a set torque value and a torque limiter operates, the fastening tool comprising a power generation unit which supplies power to the electronic circuit unit at least when the torque limiter operates. The power generation unit is a photovoltaic power generator, electromagnetic induction power generator, power generator for converting mechanical energy to electrical energy, or temperature difference power generator.
Inventors:
YOKOYAMA TETSUYA (JP)
YAMAMOTO YASUHIRO (JP)
OGATA TOMOHIRO (JP)
TAKAKU SATOSHI (JP)
YAMAMOTO YASUHIRO (JP)
OGATA TOMOHIRO (JP)
TAKAKU SATOSHI (JP)
Application Number:
PCT/JP2015/000260
Publication Date:
February 25, 2016
Filing Date:
January 21, 2015
Export Citation:
Assignee:
TOHNICHI MFG CO LTD (JP)
International Classes:
B25B23/144
Foreign References:
| JP2007283455A | 2007-11-01 | |||
| JPS6025662A | 1985-02-08 | |||
| JPH11221779A | 1999-08-17 | |||
| US20020105794A1 | 2002-08-08 | |||
| JPH09168981A | 1997-06-30 | |||
| JPS63221981A | 1988-09-14 | |||
| JP2004528188A | 2004-09-16 | |||
| JP2008307670A | 2008-12-25 | |||
| JP2008203264A | 2008-09-04 |
Other References:
See also references of EP 3184245A4
Attorney, Agent or Firm:
MIZUNO, Katsufumi et al. (JP)
Katsufumi Mizuno (JP)
Katsufumi Mizuno (JP)
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