| 摘要 |
PROBLEM TO BE SOLVED: To constitute a granule feeder suppressing dust deposition onto its granule sensor in unloading granules from a reservoir.SOLUTION: A granule feeder has the following construction: a granule sensor S determining the presence/absence of seed rice fed from a seed hopper 32 is constituted of a light-casting/receiving unit Sa having a light source and a light receiving part and a mirror Sb reflecting rays of light, and the light-casting/receiving unit Sa and the mirror Sb are laid at a position sandwiching a feed path G; and an unloading path H via which seed rice is unloaded without going through an unloading roll 33 is laid opposite to the feed path G with the mirror Sb sandwiched. |
