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Swing door operating system

  • US 20070271851A1
  • Filed: 05/25/2006
  • Published: 11/29/2007
  • Est. Priority Date: 05/25/2006
  • Status: Active Grant
First Claim
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1. An automatic door actuating system for actuating a hinged door in opening and closing displacement, said system having a reversible electric motor mounted adjacent the free edge of the door, said motor being in driving relation with pulley means, said pulley means engaging tensioned flexible line means, said line means extending substantially horizontally between a first attachment point on a lintel portion of said door frame and a second attachment point located adjacent said door free edge when said door is in a fully open position;

  • and means to energize said motor in a selected mode of opening and closing rotation, whereby, upon energization of said motor said pulley means engages said line means to draw said door in a respective opening/closing displacement.

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