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MOTOR-DRIVEN SCREWDRIVER

  • US 20160221165A1
  • Filed: 04/12/2016
  • Published: 08/04/2016
  • Est. Priority Date: 10/22/2013
  • Status: Active Grant
First Claim
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1. A motor-driven screwdriver comprising a motor-driven screwdriver body and a motor-driven screwdriver accessory to be externally attached to the motor-driven screwdriver body;

  • the motor-driven screwdriver body including;

    a screwdriver housing;

    a motor-driven screwdriver drive control circuit disposed in the screwdriver housing;

    a first power supply cord holding hole provided in a rear end surface of the screwdriver housing;

    a power supply cord connected to the motor-driven screwdriver drive control circuit and extended to an outside of the screwdriver housing through the first power supply cord holding hole; and

    a power supply cord securing annular member secured to an outer periphery of the power supply cord;

    the motor-driven screwdriver accessory including an accessory housing to be secured to a rear end portion of the screwdriver housing, the accessory housing having a second power supply cord holding hole of a size allowing passage of the power supply cord extending from the motor-driven screwdriver body and also enabling the power supply cord securing annular member to be engagingly secured to the second power supply cord holding hole;

    wherein the first power supply cord holding hole has a size allowing formation of a clearance between the first power supply cord holding hole and the power supply cord extended through the first power supply cord holding hole in a state where the power supply cord securing annular member is secured to the second power supply cord holding hole, thereby enabling a signal line for taking out a required signal from the motor-driven screwdriver drive control circuit to be routed through the clearance.

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