×

Barrier operator with safety lighting

  • US 20080184622A1
  • Filed: 04/04/2008
  • Published: 08/07/2008
  • Est. Priority Date: 05/24/2005
  • Status: Abandoned Application
First Claim
Patent Images

1. A barrier operator system with safety lighting, comprising:

  • an operator controller and associated linkage which moves a barrier between limit positions;

    a photo-electric sensor operatively connected to said operator controller, said photo-electric sensor having a sending unit which projects a light beam to a receiving unit, wherein interruption of said light beam during door movement is communicated to said operator controller;

    a light associated with at least one of said sending unit and said receiving unit.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×