Closure curtain with bumper centering device
AssigneeCIW Enterprises, Inc.
InventorsTom Balay, Brian Reklaitis
Life of this patent
Estimating the term…
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.
Claims20
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.
A coiling closure curtain comprising:
- 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.
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;
- 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.
Dependencies are inferred from the claim text.