SEED FIRMING DEVICE FOR IMPROVING SEED TO SOIL CONTACT IN A PLANTER FURROW WITH FEATURE DESIGNED TO PREVENT THE BUILDUP OF SOIL ON THE OUTER SURFACES BY DISCHARGING PRESSURIZED FLUID

Abstract: a system for controlling the depth of at least one closing wheel in an agricultural row unit for planting seeds in a furrow. the row unit includes a firming device that passes the seeds into the soil at the bottom of the furrow, and at least one closing wheel that is pressed into a side of the furrow to close the furrow over the seeds. a control system senses the depth of the closing wheels in the furrow relative to the depth of the firming device, and adjusts the downward pressure on the closing wheel, based on changes in the sensed depth of the closing wheel, to compensate for changes in the hardness of the soil. the up and down movement of the firming device can be adjusted independently of the movement of the closing wheel. the firming device can include multiple holes through which pressurized air is forced to dislodge any dirt or mud that accumulates on the soil-engaging parts of the firming device, and can be made according to an additive manufacturing process that allows narrow channels to be formed internal to the firming device.

Inventor(s): Joseph D. BASSETT

CPC Classification: A01B63/32 (SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL (making or covering furrows or holes for sowing, planting, or manuring ; soil working for engineering purposes , , ; {measuring areas for agricultural purposes }))

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