DOWN AND/OR UP FORCE ADJUSTMENT SYSTEM

An agricultural device includes a number of row units that each includes a seed furrow opener that creates a furrow in the soil for seed placement. Each row unit is mounted to a toolbar of the device by means of a four-bar linkage which allows each row unit to move vertically to adjust to the contou...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	BACHMAN MARVIN, ACHEN COURTNEY N, STEVENSON VAUGHAN G
Format:	Patent
Sprache:	eng
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY FERTILISING FISHING FORESTRY HUMAN NECESSITIES HUNTING PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES ORIMPLEMENTS, IN GENERAL PLANTING SOIL WORKING IN AGRICULTURE OR FORESTRY SOWING TRAPPING
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