WINDOW OR DOOR COMPRISING A DRIVE DEVICE

摘要

The invention relates to a window or door comprising at least one wing (1), which is pivotally mounted on a frame (2), and to a drive device (40) for automatically moving the wing relative to the frame. The invention is characterized in that the drive device (40) has a force and energy accumulator (12) that is designed for releasing its energy when the wing is being opened.