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Portable electric tool

  • US 5,002,135 A
  • Filed: 07/11/1989
  • Issued: 03/26/1991
  • Est. Priority Date: 04/28/1987
  • Status: Expired due to Term
First Claim
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1. A portable electric tool operable by a trigger and including a hollow frame which houses an electric motor connected through speed reduction means and transmission means to a working component of the tool, the tool including an electric device operable by the trigger to effect operation of the electric motor to return the transmission means, and the control device automatically to neutral positions thereby to immobilize the trigger.

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