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Transportable power tool

  • US 20050121209A1
  • Filed: 11/10/2004
  • Published: 06/09/2005
  • Est. Priority Date: 11/11/2003
  • Status: Abandoned Application
First Claim
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1. A transportable power tool comprising:

  • a motor;

    a reducer-transmitter for reducing rotation speed of a driving shaft of the motor and for transmitting a driving force of the motor to an output shaft thereof;

    a control circuit for controlling driving of the motor;

    a housing for enclosing the motor, the reducer-transmitter and the control circuit; and

    a battery pack detachably coupled with the housing;

    wherein the transportable power tool has a power unit in which at least the motor and the reducer-transmitter are contained, a grip and a coupler unit formed at an end of the grip opposite to the power unit with which the battery pack is coupled;

    a center axis of the output shaft crosses a center axis of the grip around which a perm and fingers of a user grip at a predetermined angle near to right angle;

    maximum dimensions of the power unit and maximum dimensions of the battery pack in a direction perpendicular to both of the center axis of the output shaft and the center axis of the grip and in a direction parallel to the center axis of the output shaft are larger than those of the grip in the same directions; and

    at least an operation member used for selecting an operation mode of the motor is provided at a position near to the grip from a line binding contacting portions of the power unit and the battery pack when the power unit and the battery pack are simultaneously contacted with the same plane in each state.

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