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Brake system with two independent mechanical brakes

  • US 5,480,009 A
  • Filed: 09/09/1994
  • Issued: 01/02/1996
  • Est. Priority Date: 09/11/1993
  • Status: Expired due to Fees
First Claim
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1. A device for braking an electric drive motor of a hand-held working tool, said device comprising:

  • a safety brake for an immediate stopping of the working tool;

    an independent mechanical coasting brake for coasting the working tool to a stop after switching off the drive motor;

    said mechanical coasting brake acting on a rotational part connected to the drive motor;

    said mechanical coasting brake being activated when a switch element for activating the drive motor is released;

    wherein said rotational part is a component of said safety brake and is a brake drum; and

    wherein said safety brake acts on one side of said brake drum and said mechanical coasting brake acts on the other side of said brake drum.

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