Tree seedling planting implement

Details Tree seedling planting implement Tree seedling planting implement

1989-10-04

1991-07-16

DeMille, Danton D.

Planting

Plant setting

Plant dispensing

111115, 111134, 172 4, A01C 1600, A01B 63161

Patent

active

050315501

ABSTRACT:
A seedling planter utilizes support wheels located on a main frame near the rear of the planter. The support wheels are pivotable relative to the frame, thereby allowing the force exerted by a set of intermediate packing wheels to be varied. The seedling planter was a novel planting assembly which incorporates two primary structural members; a first planting assembly piece or link which is connected to the frame, and a planting arm which is pivotally connected to the first piece. The first piece is movable to vary the height of the pivot axis about which the planting arm rotates. The planting assembly also includes a soil height level detection subsystem to automatically control downward extension of the first planting assembly piece. The planting arm is thus positioned at a desired predetermined height above the soil as it is rotated into the ground to provide consistent planting depth. A cam-operated seedling holder clamps the seedlings along the rear edge of the planting arm. Extension of the planting arm downwardly causes the seedling to be automatically grasped by the jaws. A lever arm actuator automatically opens the seedling holder when the planting arm is extended to thereby release the seedling into a short furrow formed in the soil by the extended planting arm. Also described are novel methods.

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