| 摘要 |
<p>A first pull slide (2), driven linearly by a motor via a rotating chain (1) and guided and held by a rail (7), can be connected via a coupling to a second pull slide (3) connected operatively to the door. This coupling can be released via a manual operating device (5) and, in a specific position of approach of the two pull slides, is restored automatically when the door is actuated by hand. A device involving little outlay in terms of construction and nevertheless guaranteeing high operating reliability is obtained in that the two pull slides designed as identical profiled mouldings are arranged on the rail so as to be guidable in succession. In the coupling position, they can be connected to one another by means of a lever (33) mounted rotatably on one pull slide and engageable with a coupling effect on the other pull slide. <IMAGE></p> |
