Sliding door drive arrangement - has motor shaft, driving belt disc, and friction wheel contacting door strip

摘要

The door unit (1), supported in building frame by vertical columns (2) includes horizontal support plate (3). Door may run on top and bottom rollers. The door has attached angle blade (4) with a protruding strip (5). A support (6) for drive motor (7) has two parallel plates (8, 9), secured with bolts (10). Motor shaft (22) has attached belt disc (24) and belt (25) coupled to disc (26). Friction wheel (27) e.g., of rubber is attached to shaft (23). The friction wheel contacts the protruding strip of angled plate at bottom to drive the door.