CPC A01C 7/002 (2013.01) [A01C 5/04 (2013.01); A01C 7/044 (2013.01); A01C 7/081 (2013.01); A01C 7/105 (2013.01); A01C 7/16 (2013.01); A01C 7/20 (2013.01); A01C 7/203 (2013.01); A01C 7/208 (2013.01)] | 17 Claims |
1. An agricultural seed planter comprising:
a plurality of modules arranged around a center to form a planting wheel, each of the modules including:
a tooth for injecting a seed into the soil, the tooth including a hole passing through the length of the tooth; and
a pressure generator coupled to the tooth and configured to generate positive or negative pressure to control a position of the seed when the seed is received by the tooth;
a frame coupled to the planting wheel;
at least one gauge wheel coupled to the frame; and
a seed chamber coupled to the planting wheel,
wherein each of the plurality of modules further includes:
a retractable tooth filler configured to be in at least one of a first position or a second position, a distance between the retractable tooth filler and the tooth being smaller in the first position relative to the second position, and
wherein each retractable tooth filler of a first set of modules in the plurality of modules is positioned in the first position, and each retractable tooth filler of a second set of modules in the plurality of modules is in the second position.
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