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US 2018/0021931 A1Published application
Impact tool
AssigneeHitachi Koki Co., Ltd.
InventorsSatoshi ABE, Takahiro OOKUBO, Hideyuki HASHIMOTO
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AssigneeHitachi Koki Co., Ltd.
InventorsSatoshi ABE, Takahiro OOKUBO, Hideyuki HASHIMOTO
Estimating the term…
An impact tool that realizes an ON-lock function with a simple mechanism and makes it possible to switch between activation and deactivation of the ON-lock function with few operation processes is provided. A hammer drill having at least two operating modes including a hammer mode in which an impact force is transmitted to a tool bit whereas a rotational force is not transmitted thereto includes: a motor as a power source; a trigger lever and an ON-lock button that are operated by an operator; a sensor that detects whether a selected operating mode is the hammer mode or not; and a controller that controls the motor based on an operation of the trigger lever and the ON-lock button. When the ON-lock button is operated while the hammer mode is selected, the controller performs ON-lock control to maintain the motor in the operating state even when the trigger lever is not operated.
An impact tool having at least two operating modes including a first operating mode in which an impact force is transmitted to a tool bit whereas a rotational force is not transmitted to the tool bit, the impact tool comprising:
An impact tool having a first operating mode in which an impact force is transmitted to a tool bit whereas a rotational force is not transmitted to the tool bit and a second operating mode in which at least the rotational force is transmitted to the tool bit, the impact tool comprising:
Dependencies are inferred from the claim text.