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Brake cartridges for power equipment

  • US 7,845,258 B2
  • Filed: 03/27/2008
  • Issued: 12/07/2010
  • Est. Priority Date: 08/20/2003
  • Status: Active Grant
First Claim
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1. A brake cartridge for use in safety systems for power tools, the cartridge comprising:

  • a housing;

    a system to perform a predetermined action, where at least part of the system is enclosed within the housing;

    circuitry enclosed in the housing and adapted to trigger the system;

    switch means enclosed in the housing and operably associated with the circuitry for indicating through activation of the switch means that the cartridge is properly installed in a power tool; and

    switch contactor means enclosed in the housing for activating the switch means when the cartridge is properly installed in the power tool.

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