Patent ID: 6227281
Filing Date: 2001-05-08
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;first and second reverse angle track shields, connected to the first and second support tracks, respectively, to connect the support tracks to a mounting surface and to prevent an object from passing between the support tracks and the mounting surface;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; anda protective roller shield, which has a concave first edge and a concave second edge, placed opposite the first edge and having guide elements at each corner of the roller shield formed by the concave edges, 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 perimeter of the protective roller shield, the roller shield further including a pair of shield wings mounted on a first side of the roller shield in an arrangement for shielding the support roller within the support track, the shield wings further including transport guides to prevent the protective roller shield from binding in the support track.