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1. (EP2459347) IMPACT TOOL

Office : European Patent Office
Application Number: 10745442 Application Date: 29.07.2010
Publication Number: 2459347 Publication Date: 06.06.2012
Publication Kind : A2
Prior PCT appl.: Application Number:JP2010063235 ; Publication Number: Click to see the data
IPC:
B25B 21/02
B25B 23/147
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
B
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
21
Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
02
with means for imparting impact to screwdriver blade or nut socket
B PERFORMING OPERATIONS; TRANSPORTING
25
HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; HANDLES FOR HAND IMPLEMENTS; WORKSHOP EQUIPMENT; MANIPULATORS
B
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING
23
Details of, or accessories for, spanners, wrenches, screwdrivers
14
Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
147
specially adapted for electrically operated wrenches or screwdrivers
CPC:
B25B 21/02
B25B 21/026
B25B 23/1475
Applicants: HITACHI KOKI KK
Inventors: TANIMOTO HIDEYUKI
TAKANO NOBUHIRO
NISHIKAWA TOMOMASA
IWATA KAZUTAKA
MASHIKO HIRONORI
YAMAGUCHI HAYATO
NAKAGAWA ATSUSHI
OOMORI KATSUHIRO
NAKAMURA MIZUHO
UCHIDA HIROKI
NAKANO SAROMA
ITO YUTAKA
Priority Data: 2009177116 29.07.2009 JP
2010063235 29.07.2010 JP
2010083755 31.03.2010 JP
2010083757 31.03.2010 JP
Title: (DE) SCHLAGWERKZEUG
(EN) IMPACT TOOL
(FR) OUTIL À IMPACT
Abstract:
(EN) According to an aspect of the present invention, there is provided an impact tool (1) (including: a motor (3)drivable in an intermittent driving mode; a hammer (41) connected to the motor; an anvil (16) to be struck by the hammer (41) to thereby rotate/strike a tip tool; and a control unit that controls a rotation of the motor (3)by switching a driving pulse supplied to the motor (3) in accordance with a load applied onto the tip tool.
(FR) La présente invention, selon un aspect, porte sur un outil à impact, qui comprend : un moteur pouvant être entraîné dans un mode d'entraînement intermittent ; un marteau relié au moteur ; une enclume destinée à être frappée par le marteau de façon à faire ainsi tourner/frapper un outil à pointe ; et une unité de commande qui commande une rotation du moteur par commutation d'une impulsion d'entraînement délivrée au moteur en fonction d'une charge appliquée sur l'outil à pointe.