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Power tools

  • US 6,933,689 B2
  • Filed: 04/25/2003
  • Issued: 08/23/2005
  • Est. Priority Date: 04/26/2002
  • Status: Active Grant
First Claim
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1. A power tool comprising:

  • a motor that drives a tool bit, a body that houses the motor, a battery detachably coupled to the body, wherein the battery supplies driving current to operate the motor, and a battery removal preventing device that prevents the battery from being removed from the body during operation of the motor and allows the battery to be removed from the body only when the motor is stopped, said battery removal preventing device automatically engaging when the motor is being driven and automatically disengaging when the motor is no longer driven.

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