Flexible or portable closure – partition – or panel – Plural strip – slat – or panel type – With mounting or supporting means
Patent
1998-10-12
2000-11-14
Purol, David M.
Flexible or portable closure, partition, or panel
Plural strip, slat, or panel type
With mounting or supporting means
160201, E05F 1500
Patent
active
061455709
ABSTRACT:
A locking system (10, 110, 210) for a sectional overhead door (11) powered through a counterbalance system (30) including, a flexible member (C) interconnecting the counterbalance system and the door and providing tensioning during opening and closing of the door, a movable stop (50, 150, 250) selectively actuatable to a locked position precluding movement of the door, and a biasing member (65, 165, 255) urging the movable stop toward the locked position, whereby in the event of slack in the flexible member the biasing member displaces the movable stop to the locked position.
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Asbury Harry E.
Mullet Willis J.
Purol David M.
Wayne-Dalton Corp.
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