| 摘要 |
- Principal body 1 which is hollow on the inside with holes passing through it from outside to inside with metallic rods for moving the seeds in the tank which are located behind the holes. - Round piece 2 housed inside the body with a rubber surrounding it for the closure of the holes and so as to be able to release the seeds. - Cover of the front body 3 with screw thread for its opening. - Through-shaft 4 for aspiration of air via the holes in the body. - Two nuts 5, one with interior screw thread and the other with exterior screw thread, for securing air closure packing. - Tank 6 coupled on the outer part of the body where the holes and the seed-selector rods rotate. - Two flats (plates) 7 located on the tank in its upper part for seating and selecting the seeds. <IMAGE>
|
