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Fast engage, slow release electrical actuator

  • US 6,940,373 B2
  • Filed: 11/18/2004
  • Issued: 09/06/2005
  • Est. Priority Date: 11/21/2003
  • Status: Expired due to Fees
First Claim
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1. A fast actuation, delayed release electrical actuator comprising:

  • an electromagnetic actuator responding to an initiation of an electrical current to move an operator from a first position to a second position; and

    a thermal actuator responding to a cessation of the electrical current to delay movement of the operator from the second position to the first position for a predetermined period after cessation of the electrical current.

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