| 摘要 |
<p>1. Vertical slide window with a window frame (1) and two slidable wings (7, 9), which are guided thereat and of which at least one is pivotable downwardly into a cleaning position and again pivotable back upwardly and for which spring means are present for the production of a force in order to brake a downward pivotation, directed towards the cleaning position, of the wing (7, 9) and to aid a pivotation, directed upwardly out of the cleaning position, of the wing (7, 9), characterised thereby, that the wings (7, 9) are slidably as well as pivotably retained in the window frame (1) in such a manner that they lie substantially in the same plane when the window is closed and that the spring means display at least one gas spring (45, 47).</p> |
