Patent ID: 6695033
Filing Date: 2004-02-24
Classification: E06B

Abstract:
A combination of a device for guiding a winding drum of a handling door for an industrial building and the winding drum, comprising:vertical and opposed uprights secured to slideways for guiding a flexible curtain provided with horizontal stiffening crosspieces which are wound up about a cylinder of said drum and each end of which has a support bearing, wherein each vertical upright comprises, at its upper part, a hole through which the cylinder of the drum passes so that each bearing collaborates with a mounting plate fixed to a profile of the uprights for guiding the rotation of said drum, while the hole comprises means for braking the cylinder when at least one of a bearing and the corresponding mounting plate breaks so as to prevent, on the one hand, the drum from falling down vertically, and, on the other hand, the flexible curtain from being lowered.