Suspension system for planting unit

Details Suspension system for planting unit Suspension system for planting unit

2007-12-18

2007-12-18

Novosad, Christopher J. (Department: 3641)

Planting

Drilling

Furrow opener

C111S193000, C111S194000, C111S900000

Reexamination Certificate

active

10979525

ABSTRACT:
A planting unit is provided having a seed trench opener that forms a seed trench in a ground surface as the planting unit travels along the ground. A depth regulating member is provided that has a predetermined vertical position relative to the opener. The depth regulating member is operable to ride along the ground and thus predetermined the seed trench depth. A suspension assembly is provided to reduce the shock forces on the planting unit when obstacles are encountered. Furthermore, a suspension system is provided to the seed trench opener, in addition to the depth regulating member.

REFERENCES:
patent: 4448259 (1984-05-01), Ford et al.
patent: 5727638 (1998-03-01), Wodrich et al.
patent: 6321667 (2001-11-01), Shoup

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