| 摘要 |
1,241,388. Screw conveyer. G. M. ROOKE. 7 July, 1970 [24 Sept., 1969], No. 47011/69. Addition to 1,166,705. Heading B8A. The screw conveyer of parent Specification is modified in that auger portion 17 is provided as a separate attachment. Housing 10 is rotatably mounted and rigidly interconnected with feed screw 11 which is driven by means not shown. Blades 22, of progressively reduced diameter compared with blades 13, are fixed at 22 to a coupling flange 23 bolted to an end flange 24 of the housing 10. |
