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Security revolving door assembly for persons

  • US 5,076,013 A
  • Filed: 12/04/1990
  • Issued: 12/31/1991
  • Est. Priority Date: 12/05/1989
  • Status: Expired due to Term
First Claim
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1. A security revolving door assembly, comprising:

  • a cylindrical door housing including two wall shells which define one blocking sector and one passage sector and leave open two opposite passage openings;

    a revolving door passage release member that can be revolved on a vertical central axis of the door housing from defined resting positions and can be driven by a motor, the revolving door including one of plural door flaps and a revolving cylinder with at least a passage opening;

    a blocking disk including a circular arc provided around the central axis of the door housing and including at least one pair of stop faces on each side of a bolt receiving region, one stop face acting in a forward direction of said bolt receiving region and one stop face acting in a reverse rotation direction of said bolt receiving region, said blocking disk being in a rigid rotary connection with the revolving door passage release member via one of a gear mechanism and a direct connection two stationary locking bolts which may be selectively individually placed between two stop faces of said pair of stop faces of the blocking disk, the distance between the two stop faces in the bolt receiving region of each stop face pair corresponding to a free wheeling angle which is at least large enough to allow said blocking disk to revolve approximately through half a sector angle defined by the passage sector, when the locking bolt has been placed into the blocking disk; and

    , control means for controlling the position of said locking bolts.

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