| 摘要 |
PURPOSE:To effectively use the outside of a shell and to freely select the set of the sheel by disposing a cover in a shell, providing a cylinder and a bar of a slider in the covered interior and feeding air to the inner space of the cover. CONSTITUTION:Air is fed through an air inlet 12 so that the inner space B' of a cover 6' has atmosphere of pressure a little higher than the outside, and ventilation is conducted through a gap between a flexible material 11' and a floor plate 1 and a gap between the flexible plate 11' and a slider 2. When the slider 2 is reciprocated horizontally by thrust of a cylinder incorporated in th cover 6', storing material in a shell 6 is scraped up and moved by the slider 2 on the floor plate 1 to drop in a chute 4 and be conveyed by a screw 4'. |
