Cable control device for sectional overhead door

Movable or removable closures – Up-and-over type; e.g. – moves from vertical to withdrawn... – With operator

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Details

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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patent: 5803149 (1998-09-01), Halley et al.
patent: 5865235 (1999-02-01), Krupke et al.

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