摘要 |
<p>1,089,302. Centrifugal distributers. AMAZONEN-WERKE H. DREYER. Feb. 11, 1965 [Feb. 18, 1964], No. 5928/65. Heading A1D. A centrifugal distributer for fertilizer comprises delivery members 73 which feed material to an opening 3 of a hopper 2 where it falls on to a centrifugal distributer 6 and the members 73 are removable from the drive shaft 66 and replaceable by others of different shape. The members may be attached to the drive shaft by a bayonet coupling and they may, for certain fertilizers, be removed altogether leaving a hole in the bottom of the hopper which may be used for delivering fertilizer and may be provided with a movable means for adjusting the size of the opening.</p> |