Overhead door track structure

E - Fixed Constructions – 05 – D

Patent

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Details

E05D 15/06 (2006.01) E05D 15/16 (2006.01) E05D 15/24 (2006.01)

Patent

CA 2337437

A track support structure (30) for a sectional overhead garage door (10) having rollers (16) for guiding the door (10) between open and closed positions. The track support structure (30) has a track (38) and a track support beam (40). Track (38) has an upper horizontal flange (38) and a lower trough (72). The free edge of the trough (72) has an inturned tubular bead (74) and the free edge of upper flange (38) has an inturned tubular bead (74). An angle-shaped track support beam (40) has legs (88 and 90). The free edges of legs (88 and 90) have respective tubular beads (92 and 94). Tubular beads (92, 94) have a diameter between 1,5 and 2,5 times the diameter of beads (74, 76) on track (38).

Cette invention se rapporte à une structure de support de rail (30) pour une porte de garage basculante à sections (10), cette structure comportant des galets (16) servant à guider la porte (10) entre la position ouverte et la position fermée. La structure de support de rail (30) présente un rail (38) et un profilé de support de rail (40). Le rail (38) est constitué par une membrure horizontale supérieure (38) et par une partie inférieure en gouttière (72). Le bord libre de la partie en gouttière (72) possède un rabattement tubulaire tourné vers l'intérieur (74) et le bord libre de la membrure supérieure (38) possède un rabattement tubulaire tourné vers l'intérieur (74). Le profilé de support de rail angulaire (40) présente des branches (88 et 90). Les bords libres des branches (88 et 90) possèdent des rabattements tubulaires correspondants (92 et 94). Ces rabattements tubulaires (92, 94) ont un diamètre compris entre 1,5 et 2,5 fois le diamètre des rabattements (74, 76) du rail (38).

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