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SAFETY SYSTEM FOR OVERHEAD TRANSPORT VEHICLE

  • US 20040118980A1
  • Filed: 12/19/2002
  • Published: 06/24/2004
  • Est. Priority Date: 12/19/2002
  • Status: Active Grant
First Claim
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1. An overhead transport (OHT) safety system for mounting on a tool and preventing an OHT vehicle from striking an obstruction, comprising:

  • a light curtain for mounting on the tool;

    an OHT overhead transmitter/sensor operably connected to said light curtain for mounting on the OHT vehicle; and

    a controller operably connected to said light curtain for connection to the OHT vehicle and receiving an obstruction signal from one of said light curtain and said OHT overhead transmitter/sensor and terminating operation of the OHT vehicle.

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