Bridgestone Corporation

Max Co., Ltd.

Yuuji Yamaguchi

Michiaki Adachi

Kouji Kubo

Yoshihiko Kondou

In an electric driving tool of the invention, when moving a driverhaving driven out a fastener upwardly from a bottom dead center position and making the driverto stop at a wait position, a wait position when a decrease of a residual quantity of connected fasteners in the magazineis detected is set to be lower than a wait position when the decrease of a residual quantity of connected fasteners in the magazineis not detected.

Electric driving tool having drive mechanism controller

A pneumatic radial tire having an aspect ratio of no more than 60% comprises at least one carcass ply composed of a main body portion and a turn-up portion, a stiffener made of a soft rubber stock and a hard rubber stock, and a reinforcing member extending at an outside of the turn-up portion in a widthwise direction of the tire through a cushion rubber, wherein at an inflation state of the tire under a given air pressure, a height of an outer end of the turn-up portion in the radial direction is no more than 0.33 times a section height of the carcass ply, and a thickness ratio (d2/d1) is within a range of 1.2-1.8.

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Tokyo, Japan

Yuuji Yamaguchi