| 摘要 |
<p>Device for winding drawing sheets on a drawing board. Device for working on the upper part of drawing sheets without unnecessary handling thereof, and for improving work comfort. The device consists of an extra-thin ruler (1), a winding tube (2) with a flexible fabric (3) and a rigid ruler (4). Said elements are joined together by cables (6) with a counterweight (9), pulleys (7) and an actuation lever (12), wherein a ruler (13) for guiding the roller of the drawing apparatus (5) is secured behind the winding tube (2) at the lower part thereof. The device of the invention ensures that the upper part of the drawing sheet is readily accessible.</p> |
