Title:
ELECTRIC FASTENER DRIVER
Document Type and Number:
WIPO Patent Application WO2007043265
Kind Code:
A9
Abstract:
An electric fastener driver (1) having a compact size and simple construction. A driver segment (18) provided with a rack is movably disposed in a housing (2). A flywheel (9) is driven by a motor (8). A drive shaft (10) is concentric with and integral with the flywheel. A coil spring (11) is fixed to the drive shaft. A driven rotor (12) is coaxial with the drive shaft and has one end portion serving as a spring seat (12B) portion positioned within the coil spring. A pinion (12C) is disposed at the driven rotor and is meshedly engaged with the rack (18A). An urging section (14) is disposed within the driven rotor. A ball (16) is movably disposed in a through-hole formed in the driven rotor for urging an end portion of the coil spring by the urging section. A solenoid (13) controls a protruding amount of the ball from the surface of the driven rotor.
Inventors:
TANIMOTO HIDEYUKI (JP)
YOSHIMIZU CHIKAI (JP)
ODA HIROYUKI (JP)
SAKABA TOSHIHITO (JP)
OHTSU SHINKI (JP)
UEDA TAKASHI (JP)
NAKANO YOSHIHIRO (JP)
YOSHIMIZU CHIKAI (JP)
ODA HIROYUKI (JP)
SAKABA TOSHIHITO (JP)
OHTSU SHINKI (JP)
UEDA TAKASHI (JP)
NAKANO YOSHIHIRO (JP)
Application Number:
PCT/JP2006/317934
Publication Date:
June 07, 2007
Filing Date:
September 05, 2006
Export Citation:
Assignee:
HITACHI KOKI KK (JP)
TANIMOTO HIDEYUKI (JP)
YOSHIMIZU CHIKAI (JP)
ODA HIROYUKI (JP)
SAKABA TOSHIHITO (JP)
OHTSU SHINKI (JP)
UEDA TAKASHI (JP)
NAKANO YOSHIHIRO (JP)
TANIMOTO HIDEYUKI (JP)
YOSHIMIZU CHIKAI (JP)
ODA HIROYUKI (JP)
SAKABA TOSHIHITO (JP)
OHTSU SHINKI (JP)
UEDA TAKASHI (JP)
NAKANO YOSHIHIRO (JP)
International Classes:
B25F5/00; F16D27/105
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