US 12,219,895 B2
Precision seeding apparatus with recesses on caterpillar for arranging and distributing seeds against bottoms of seed furrows
Dong Wang, Xianyang (CN); and Wensheng Tian, Xianyang (CN)
Assigned to Northwest A & F University, Xianyang (CN); and Beijing Guanghui Caizhi Management Consulting Co., Ltd., Beijing (CN)
Filed by Northwest A & F University, Xianyang (CN); and Beijing Guanghui Caizhi Management Consulting Co., Ltd., Beijing (CN)
Filed on Feb. 8, 2022, as Appl. No. 17/666,597.
Claims priority of application No. 202110185746.4 (CN), filed on Feb. 11, 2021.
Prior Publication US 2022/0248595 A1, Aug. 11, 2022
Int. Cl. A01C 7/16 (2006.01); A01C 7/20 (2006.01)
CPC A01C 7/16 (2013.01) [A01C 7/208 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A precision seeding apparatus with recesses on a caterpillar for arranging and distributing seeds against bottoms of seed furrows, comprising a frame, wherein the frame is provided with a seed box with a seed distribution opening, wherein a caterpillar for transporting seeds capable of being connected with a drive mechanism is arranged in the seed box; a lower part of the caterpillar for transporting seeds corresponds to the position of the seed distribution opening; the caterpillar is provided with at least one column of recesses in a lengthwise direction of the caterpillar; each group of recesses is connected through a seed unloading ditch; the seed unloading ditch is formed into a ring in a lengthwise direction of the caterpillar for transporting seeds; the recess has a width greater than that of the seed unloading ditch and has the same depth as that of the seed unloading ditch; a lower part of the caterpillar for transporting seeds is provided with a comb sheet; and one edge of the comb sheet away from the seed unloading ditch is fixed on a rear wallboard of the seed box.