Winding system, rolling door assembly including the same and kit for assembling the winding system
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United States of America Patent
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Nov 1, 2005
Grant Date -
Dec 18, 2003
app pub date -
Apr 22, 2003
filing date -
Apr 22, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A winding system for winding a rolling door assembly. The winding system includes a support bracket, first and second gears. The support bracket is preferably rigidly connectable to a fixed structure of the rolling door assembly, and has a receiving device and a supporting device. The first gear is pivotally mounted about the receiving device of the support bracket and rotatable thereabout along opposite first and second directions of rotation. The second gear is pivotally mounted about the supporting device of the support bracket and rotatable thereabout along opposite first and second directions of rotation. The first gear is operatively connected to a corresponding end of the counterbalancing spring of the rolling door assembly. The second gear is threadably engaged with the first gear such that, a rotation of the second gear along one of its first and second directions of rotation causes the first gear to rotate along a corresponding one of its first and second directions of rotation, thereby resulting in a corresponding winding of the counterbalancing spring of the rolling door assembly.
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Cited Art Landscape
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