| 摘要 |
PURPOSE:To enable the easy assembling, threading, repairing, cleaning or the like of a drafting apparatus, by supporting one roller of a pair of rollers respectively on a frame in cantilever style and supporting the other roller respectively on an arm lever in cantilever style, said arm lever being disposed on the frame in a freely oscillating state. CONSTITUTION:In a drafting apparatus having pairs of back rollers 3a and 3b, middle rollers 4a and 4b and front rollers 5a and 5b, the rollers 3a, 4a and 5a of the pairs of the rollers are respectively supported on a frame 1 in cantilever style and the other rollers 3b, 4b and 5b are respectively supported on an arm lever 7 in cantilever style, said arm lever 7 being disposed on the frame 1 in a freely oscillating state. The rollers 3a, 4a and 5a are respectively rotated actively and the other rollers 3b, 4b and 5b are respectively rotated by following the rollers 3a, 4a and 5a. |
