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1. (WO2014192477) HAMMERING TOOL

Pub. No.:    WO/2014/192477    International Application No.:    PCT/JP2014/061700
Publication Date: Fri Dec 05 00:59:59 CET 2014 International Filing Date: Sat Apr 26 01:59:59 CEST 2014
IPC: B25D 11/00
Applicants: HITACHI KOKI CO., LTD.
Inventors: NISHIKAWA, Tomomasa
西河 智雅
TAKANO, Nobuhiro
高野 信宏
SATOU, Shinichirou
佐藤 慎一郎
Provided is a hammering tool capable of reducing vibration and noise and improving component durability. This hammering tool is provided with: a housing; a motor positioned inside the housing; an operation conversion mechanism for converting rotational drive to reciprocating motion; an output unit for outputting the reciprocating motion as hammering force; a load detection unit for detecting the load on the motor; a power supply unit for supplying drive power to the motor; and a control unit for controlling the power supply unit so as to increase the drive power supplied to the motor for a prescribed interval of time, when the load detected by the load detection unit exceeds a prescribed value.