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Smoke/fire detector for the hearing impaired

  • US 5,917,420 A
  • Filed: 01/28/1997
  • Issued: 06/29/1999
  • Est. Priority Date: 01/28/1997
  • Status: Expired due to Fees
First Claim
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1. An alarm apparatus for shaking a piece of furniture in response to detection of a physical occurrence, said apparatus comprising:

  • detecting means for detecting a physical occurrence and emitting a signal in response thereto; and

    signalling means connected to said detecting means for receiving a signal emitted therefrom and positioned adjacent the piece of furniture for shaking the piece of furniture in response to a signal emitted from said detecting means, said signalling means being comprised of;

    motor means adapted to be connected to a power source and said detecting means;

    a cam shaft extending from and rotated by said motor means said cam shaft having an outer surface and an axis of rotation;

    a cam member on said outer surface of said cam shaft extending radially outwardly from said axis of rotation; and

    follower means having first and second ends and contacting said cam member at said first end thereof and extending from said cam shaft in a direction transverse to said axis of rotation of said cam shaft and positioned to contact said cam member when said cam shaft rotates for contacting and shaking the piece of furniture at said second end in response to rotation of said cam shaft and said cam member.

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