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Photoelectric-activated switch for a motorized wheelchair

  • US 8,522,908 B1
  • Filed: 03/14/2013
  • Issued: 09/03/2013
  • Est. Priority Date: 03/14/2013
  • Status: Active Grant
First Claim
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1. A motorized wheelchair with kill switch, comprising:

  • a motorized wheelchair having a propulsion system, a first armrest, a second armrest, a back seat, a power source, a motion controller, and a joystick for directing said motion controller to control the motion of said motorized wheelchair;

    a first adjustable mounting bracket attached to said first armrest;

    a second adjustable mounting bracket attached to said second armrest;

    a photoelectric sending unit attached to said first adjustable mounting bracket, said photoelectric sending unit for emitting a light beam;

    a photoelectric receiving unit attached to said second adjustable mounting bracket, said photoelectric receiving unit for receiving said emitted light beam;

    a photoelectric sending unit cable for applying electrical power from said power source to said photoelectric sending unit;

    a photoelectric receiving unit cable for applying electrical power from said power source to said photoelectric receiving unit; and

    ,a relay for selectively applying electrical power to said motion controller if said photoelectric receiving unit does not receive said light beam.

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