Suspension system for a row crop planter unit

Planting – Drilling – Frame and planting-element arrangement

Reexamination Certificate

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Details

C111S926000, C111S927000

Reexamination Certificate

active

11895948

ABSTRACT:
A suspension system for a row crop planter unit which includes a shock absorber extending between the planter unit mounting bracket and the parallel arm linkage which vertically mounts the planter unit to a toolbar. The shock absorber permits the planter unit to move more quickly in the rebound cycle than in the compression cycle to reduce row unit bounce.

REFERENCES:
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patent: 6520100 (2003-02-01), Spooner, Sr. et al.
patent: 6701857 (2004-03-01), Jensen et al.
patent: 6895876 (2005-05-01), Bergere et al.
patent: 2006/0046826 (2006-03-01), Gilmartin
patent: 2006/0213407 (2006-09-01), Sauder et al.
Monosem brochure “NG Plus Series”, undated.

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