14-01-1926 дата публикации
Номер: GB0000245578A
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... 245,578. Hall, D., Kay, J. H., and Hall & Kay, Ltd. Dec. 19, 1924. Dust collectors.-In a dust collector or extractor comprising a box into which dust is drawn, and from which it .is removed by suction, e.g. the exhaust box of a yarn-gassing frame, two or more brushes are provided having different lengthy of travel and operated by a single means so that the brushes move with respect to each other in accord- .ance with the different lengths. Fig. 1 shows an exhaust box built around pillars 9, 10, which divide it into sections A, B, C of different lengths in which brushes 11, 12, 13 are propelled by a cord 14 wound on drums 15. The cord is attached to the brush 12 having the longest travel by sleeves 16, Fig. 4, which clamp the cord against studs 17. The other brushes are threaded loosely on the cord by tubular members 18, Fig. 5, and their travelling movements are limited by stops 19. Fig. 6, on the cord, which allow a lost motion equal to the difference between the paths of the brushes 12 ...
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