Impact Tool

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20140374130A1
SERIAL NO

14372320

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An impact tool includes a motor, a hammer, an anvil, and a control unit. The hammer is configured to be driven by the motor and be movable in an axial direction of the motor. The anvil is configured to be struck by the hammer. The control unit is configured to control a rotation of the motor. The impact tool further includes a restricting unit configured to restrict the movement of the hammer in the axial direction. The control unit is configured to select a driving mode of the motor between a first mode and a second mode. The control unit selects the first mode when a load of the motor is less than or equal to a prescribed value regardless of a restriction of the restricting unit, whereas the control unit selects the second mode when the load exceeds the prescribe value and the restricting unit restricts the movement of the hammer.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
HITACHI KOKI CO LTDTOKYO JAPAN TOKYO METROPOLIS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mashiko, Hironori Hitachinaka, JP 30 3825
Nakamura, Mizuho Hitachinaka, JP 25 3805
Nishikawa, Tomomasa Hitachinaka, JP 119 5341
Takano, Nobuhiro Hitachinaka, JP 120 6811

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