| 摘要 |
<p>The paper support panel is mounted on side pivots (7), which permit tilting through 180 degrees. There are roller systems (13,14) at the top and bottom of the panel. Each has a shaft (15) with a slot for receiving the paper end. One shaft end seats in a bearing in the panel frame and the other in the centre of a free wheel. The free wheel also carries a pulley and both gullies are connected by an endless belt (17). The free wheel pawls are reversed. Paper guides (18) are provided top and bottom and the assembly is supported on a tripod.</p> |
