Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn... – With operator
Patent
1998-10-12
2000-12-26
Chin-Shue, Alvin
Movable or removable closures
Up-and-over type; e.g., moves from vertical to withdrawn...
With operator
49197, 49199, 160191, E05F 1100, E05F 1500, E05F 1300
Patent
active
06164014&
ABSTRACT:
A cable control device (10) for a sectional overhead door (11) having a motor-driven counterbalance system (30) including, a spring-loaded drive shaft (31), cable drums (33) carried by the drive shaft, cables (C) attached to and interconnecting the cable drums and the door and forming and releasing cable wraps on the cable drums upon raising and lowering of the door, and retainers (60) associated with the cable drums engaging a portion of at least one cable wrap to maintain engagement of the cable wrap with the cable drums in the event of the development of slack in the cables.
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McDowell Allen C.
Mullet Willis J.
Chin-Shue Alvin
Thompson Hugh B.
Wayne-Dalton Corp.
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