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US 2017/0246736 A1Published application
Impact tool
AssigneeHitachi Koki Co., Ltd.
InventorAtsuyuki KIKUCHI
Life of this patent
Estimating the term…
Abstract
Provided is an impact tool which can perform control in accordance with working situations. The impact tool converts a torque of a brushless motor into a striking force and applies it to a tip tool. The impact tool includes: a motor control unit which makes detection about whether the tip tool is pressed against an object during the rotation of the brushless motor; and a motor control unit which performs speed increase control for increasing the rotational speed of the brushless motor when a state of pressing the tip tool against the object has been detected continuously for a predetermined time.
Claims8
An impact tool comprising:
- a pressing detection unit that makes detection about whether a tip tool is pressed against an object during rotation of a motor;
- and
- a motor control unit that performs speed increase control for increasing a rotational speed of the motor when a state of pressing the tip tool against the object has been detected continuously for a predetermined time.
Dependencies are inferred from the claim text.