Closure curtain with bumper centering device
First Claim
Patent Images
1. An overhead closure comprising:
- a closure curtain comprising a plurality of closure curtain rods operatively contained within a first and second guide assembly;
a flat closure curtain articulation enabled end link fastened at each of a first and second end to a different closure curtain rod of the plurality of closure curtain rods;
a powered door operator comprising a counterbalance shaft upon which the closure curtain winds and unwinds;
a first and second bracket mounted to support the counterbalance shaft;
and a bumper fixed to and extending from a closure curtain articulating central section configured to travel within the guide assemblies;
wherein the bumper is fixed to the flat closure curtain articulation end link with a fastener that is fastened through the flat closure curtain articulation enabled end link and into the bumper.
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Abstract
An overhead vertical closure, such as an overhead coiling door is described. A plurality of bumpers are spaced and fixed along the sides of the closure to center the curtain between the support brackets. In a first preferred embodiment, the geometry of the bumper is such that the vertical side and the extending sides meet in one or more obtuse angles. In a second preferred embodiment, the geometry of the bumper is such that the vertical side and the extending sides meet in a radius.
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Citations
20 Claims
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1. An overhead closure comprising:
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a closure curtain comprising a plurality of closure curtain rods operatively contained within a first and second guide assembly; a flat closure curtain articulation enabled end link fastened at each of a first and second end to a different closure curtain rod of the plurality of closure curtain rods; a powered door operator comprising a counterbalance shaft upon which the closure curtain winds and unwinds;
a first and second bracket mounted to support the counterbalance shaft;and a bumper fixed to and extending from a closure curtain articulating central section configured to travel within the guide assemblies; wherein the bumper is fixed to the flat closure curtain articulation end link with a fastener that is fastened through the flat closure curtain articulation enabled end link and into the bumper. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A coiling closure curtain comprising:
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a top; a bottom; an articulating central section between the top and bottom comprising a plurality of closure curtain rods; a flat closure curtain articulation enabled end link fastened at each of a first and second end to a different closure curtain rod of the plurality of closure curtain rods; and a bumper fixed to and extending from a closure curtain articulating central section configured to travel within the guide assemblies; wherein the bumper is fixed to the flat closure curtain articulation end link with a fastener that is fastened through the flat closure curtain articulation enabled end link and into the bumper. - View Dependent Claims (14, 15, 16, 17, 18, 19)
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20. A method of opening and closing an overhead ceiling door comprising the step of applying power to a counterbalance shaft to wind and unwind a coiling door about a shaft, wherein the coiling door comprises a plurality of closure curtain rods and is operatively contained within a first and second guide assembly;
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a flat closure curtain articulation enabled end link fastened at each of a first and second end to a different closure curtain rod of the plurality of closure curtain rods; a bumper is fixed to and extends from the coiling door, the bumper configured to travel within the first and second guide assemblies; the bumper is fixed to the flat closure curtain articulation end link with a fastener that is fastened through the flat closure curtain articulation enabled end link and into the bumper; wherein the bumper comprises two extending sides which extend to meet a bumper vertical side.
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Specification