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Remotely controlled closures

  • US 3,337,992 A
  • Filed: 12/03/1965
  • Issued: 08/29/1967
  • Est. Priority Date: 12/03/1965
  • Status: Expired due to Term
First Claim
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1. A REMOTELY CONTROLLED CLOSURE SYSTEM COMPRISING AT LEAST ONE MOVABLE CLOSURE, MOTOR MEANS FOR MOVING SAID CLOSURE TO SELECTED OPEN AND CLOSED POSITIONS, LINKAGE MEANS CONNECTING SAID MOTOR TO SAID CLOSURE, A PLURALITY OF REMOTE SENSING ELEMENTS RESPONSIVE TO SELECTED CONTROL CONDITIONS, AND PROGRAMMING MEANS CONNECTED BETWEEN SAID MOTOR MEANS AND SAID SENSING ELEMENTS FOR CONTROLLING THE OPENING AND CLOSING MOVEMENT OF SAID CLOSURE IN ACCORDANCE WITH RESPONSES FROM SAID SENSING ELEMENTS AND FURTHER IN ACCORDANCE WITH PRESELECTED INSTRUCTIONS AND PROGRAMMED CONTROL PARAMETERS;

  • AND IN WHICH SYSTEM CERTAIN OF SAID MOTOR MEANS ARE ALSO COUPLED TO AT LEAST ONE CLOSURE-POSITION SIGNAL GENERATOR, AND IN WHICH CERTAIN OF SAID SENSING ELEMENTS INCLUDE AT LEAST ONE ADJUSTABLE CLOSURE-POSITION SELECTOR, SAID SIGNAL GENERATOR AND SAID ADJUSTABLE SELECTOR BEING INTERCONNECTED THROUGH SAID PROGRAMMING MEANS BY A SERVO LOOP FOR CONTROLLING MOVEMENT OF SAID MOTOR MEANS AND RELATED CLOSURE IN THE DIRECTION AND TO THE EXTENT SELECTED BY SAID ADJUSTABLE SELECTOR.

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