Patent ID: 6189265
Filing Date: 2001-02-20
Classification: E05D,E05F,E05Y

Abstract:
A sliding door arrangement comprising at least one door leaf mounted in a door frame, a nut attached to the at least one door leaf, a spindle having first and second ends, the spindle extending through and meshing with the nut, a drive for moving the at least one door leaf, the drive being configured to one of rotate the spindle so that the nut linearly moves the at least one door leaf and directly linearly move the at least one door leaf, further comprising a freewheel mounted on the first end of the spindle so as to enable the spindle to rotate when the at least one door leaf is moving in a closing direction thereof, the freewheel having a component which is stationary relative to but capable of rotating together with the spindle, and a releasable device selected from the group comprising a brake and a clutch configured to prevent rotation of the component of the freewheel.