| 摘要 |
1465257 Endless chain conveyers M M FLEMING 10 June 1975 [13 June 1974] 24924/75 Heading B8A [Also in Division A1] Plant-growing trays 50 form the faces of hexagonal cylinders 22 which are moved bodily by conveyer chains 24 passing around sprockets 26, 28. Each cylinder 22 is fast with a respective shaft 56 carrying sprockets 58 meshing chains 42 passing around sprockets 44, 46. The sprocket wheels 28, 46 are driven at the same speed, the resulting difference in the peripheral speed of the chains 24, 42 rotating the cylinders as they are carried around the path of the chains 24. |
