Patent ID: 6540003
Filing Date: 2003-04-01
Classification: E05D,E05Y,Y10T

Abstract:
A sectional door comprising:a plurality of door sections movably coupled together, each door section having a first and second end; first and second support tracks positioned oppositely one another and along the respective first and second ends of the plurality of door sections, each support track having a first edge, a second edge, a channel adjacent the first edge and wherein the first edge is hemmed along its length; a plurality of support rollers, each support roller coupled to a first or second edge of the plurality of the door sections and engaged with one of the first and second support tracks, each support roller further comprising: a support axle; a roller mounted to a first end of the support axle; and a protective roller shield having an area larger than the roller and axially mounted to the support axle proximate the roller and the first edge of one of the first or second support tracks and further having an enlarged edge along the circumference of the protective roller shield; and first and second shield wings extending from a roller side of the protective roller shield into the channel and past the roller, the shield wings comprising a structure and defining an area that effectively encloses the roller between the first and second shield wings and within the support track, thus shielding the entire structure of the support roller from foreign objects.