Packing pressure adjustment assembly for a ground opener unit

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United States of America Patent

PATENT NO 8235134
APP PUB NO 20110107949A1
SERIAL NO

12616468

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Importance

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Abstract

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A packing pressure adjustment assembly for a ground opener unit of an agricultural implement includes a spring interconnected between a rotatable pressure adjustment arm and a trailing arm to which a packer wheel is rotatably mounted. The pressure adjustment arm is centered about an axle of the ground opener unit and is movable between a set of mounting positions that are defined by a set of teeth spaced and arced from one another along a frame portion of the ground opener unit. As the pressure adjustment arm is rotated, the amount of force exerted by the spring on the trailing arm is varied. The packing pressure adjustment assembly is relatively compact and is useful in providing high packing forces, such as a packing force in excess of 100 lbs.

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Patent Owner(s)

Patent OwnerAddress
CNH INDUSTRIAL CANADA LTD1000 71ST STREET EAST P O BOX 1928 SASKATOON SASKATCHEWAN S7K 3S5

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schilling, Robin B Darfield, CA 33 556

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