To provide a carrier conveyer capable of eliminating necessity of a scraper, and attain positive discharge of residual grain, restraint and prevention of damage to the grain, reduction and suppression of vibration and noise, high durability, easy maintenance, and cost reduction.

The carrier conveyer 7 constructed by fitting conveying bodies 12 onto an endless chain 13 is provided between a feeding part 2 and the discharging part 6. A bottom plate 16 under a driven gear 8 around which an endless chain 13 is fitted is provided with a residual grain discharge opening 45 and a driving shutter 46 for opening and closing the residual grain discharge opening 45.