公开(公告)号：US3568365A

公开(公告)日：1971-03-09

申请号：US3568365D

申请日：1969-05-16

Applicant: OVERHEAD DOOR CORP

Inventor： PEMBERTON PAUL E ,  THORNBURG GAIL L ,  HARRIS DONALD S

IPC: E05D15/20 ,  E05D15/38

CPC classification number: E05D15/38 ,  E05D15/20 ,  E05Y2900/132

Abstract: APPARATUS ADAPTED TO SUPPORT A ONE-PIECE, UPWARDLY ACTING DOOR FOR MOVEMENT BETWEEN A SUBSTANTIALLY HORIZONTAL, OPENED POSITION AND A SUBSTANTIALLY UPRIGHT CLOSED POSITION CLOSELY ADJACENT WALL MEANS HAVING AN OPENING CLOSED BY SAID DOOR WHEN IN THE CLOSED POSITION. THE APPARTUS INCLUDES A PAIR OF SPACED, HORIZONTAL AND PARALLEL TRACKS FOR GUIDING A PAIR OF ROLLERS MOUNTED ON THE UPPER

END OF THE DOOR AND A PAIR OF SPACED, PARALLEL AND UPRIGHT TRACKS FOR GUIDING A PAIR OF ROLLERS MOUNTED ON THE LOWER END OF THE DOOR. THE TWO PAIRS OF TRACKS HAVE CURVED END PORTIONS WHEREBY THE ENTIRE DOOR MOVES DOWNWARDLY AN ANGLE INTO THE CLOSED POSITION AGAINST THE WALL MEANS

公开(公告)号：US3616575A

公开(公告)日：1971-11-02

申请号：US3616575D

申请日：1969-10-01

Applicant: OVERHEAD DOOR CORP

Inventor： HARRIS DONALD S

IPC: E05F15/16 ,  E05F15/12

CPC classification number: E05F15/684 ,  E05Y2201/434 ,  E05Y2201/604 ,  E05Y2201/708 ,  E05Y2400/654 ,  E05Y2600/46 ,  E05Y2900/106

Abstract: A DOOR OPERATOR ADAPTED TO MOVE AN UPWARDLY ACTING DOOR ALONG TRACKS BETWEEN OPEN AND CLOSED POSITIONS. THE OPERATOR INCLUDES A CARRIAGE MOUNTED UPON A SUBSTANTIALLY HORIZONTAL RAIL EXTENDING PERPENDICULARLY AWAY FROM THE CLOSED POSITION OF THE DOOR. AN ENDLESS CHAIN IS ARRANGED IN AN ELONGATED LOOP EXTENDING ALONG THE RAIL AND SUPPORTED FOR MOVEMENT RELATIVE THERETO. ONE END OF THE LOOP CAN ROTATE A SHAFT MOUNTED ABOVE THE CLOSED POSITION OF THE DOOR. CABLES ARE CONNECTED BETWEEN THE SHAFT AND THE LOWER EDGE OF THE DOOR. DRIVE MEANS ON THE CARRIAGE ENGAGES THE CHAIN AND CAUSES THE CARRIAGE TO MOVE RELATIVE TO THE CHAIN AND THE RAIL. LINKAGE CONNECTS THE CARRIAGE TO THE DOOR AND COOPERATES WITH THE CABLES FOR OPENING AND CLOSING THE DOOR.