| 摘要 |
<p>A swingable door for garages or the like in which the door panel is held by two-armed levers which are spring biased and having one short and one long lever arm, the two-armed lever having a first bearing point at the edge frame for the door and a second bearing point at the door panel, and a supporting lever for each two-armed lever having one end articulated to the associated two-armed lever at a point proximate the first bearing point and having the other end thereof provided with a runner positioned for guided movement with respect to the door panel, a holding device for the supporting lever in the form of a flexible strip connected between the upper end of the edge frame or the inner wall surface and the supporting lever and having the broad surface portion thereof extending in planes transverse to the planes of movement of the associated support lever.</p> |
