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Power Tools

  • US 20110114346A1
  • Filed: 01/21/2011
  • Published: 05/19/2011
  • Est. Priority Date: 03/16/2000
  • Status: Active Grant
First Claim
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1. A power tool, comprising:

  • a tool,a motor drivingly coupled to the tool,means for generating an elevated torque coupled to the motor and the tool, wherein the generating means emits impact sounds when the elevated torque is generated,a switch coupled to the motor in order and adapted to couple the motor to a power supply,a sensor detecting impact sounds,a setting device selecting one operation mode from a plurality of operation modes including at least a tightening operation mode and a disassembly operation mode,a memory storing an operating program for controlling the motor according to the operation modes, anda processor in communication with the motor, the sensor and the memory, the sensor communicating detection signals to the processor when the sensor detects the impact sounds, whereinthe processor controls the motor in accordance with the selected operation mode after the switch has been actuated,in a case where the tightening operation mode is selected by the setting device, the processor drives the motor in a forward direction, andin a case where the disassembly operation mode is selected by the setting device, the processor drives the motor in a reverse direction, and stops the motor when a first specific time has passed since a last impact sound had been detected by the sensor.

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