One- or two-leaf sliding door, swinging door or pocket door
AssigneeIFE Industrie-Einrichtungen Fertigungs-Aktiengesellschaft
InventorMartin Fink
Life of this patent
Estimating the term…
Abstract
A one-leaf or two-leaf sliding door, swinging/sliding door or pocket door, particularly for vehicles, has an electric, pneumatic or hydraulic drive. A nut is attached to the at least one door leaf and a spindle extends through the nut. A drive for moving the at least one door leaf is provided either to rotate the spindle directly or to linearly move the at least one door leaf. A freewheel is mounted on an end of the spindle, wherein the freewheel has a component which is stationary relative to but capable of rotating together with the spindle. A releasable brake or clutch is provided for preventing rotation of the freewheel component.
Claims13
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.
Dependencies are inferred from the claim text.