Seed drill element having improved topsoiling means

Details Seed drill element having improved topsoiling means Seed drill element having improved topsoiling means

2005-05-24

2005-05-24

Pezzuto, Robert E (Department: 3671)

Planting

Drilling

Frame and planting-element arrangement

C111S195000

Reexamination Certificate

active

06895876

ABSTRACT:
The seed drill element comprises a frame, a seed tank, a seed dispenser, and a member for opening a furrow in the ground. The seed drill element further comprises mechanism for bearing against the ground, having a rear block and/or a front block, with each block having at least one wheel and an arm hinged to the frame, and also topsoiling mechanism including a rear link, two front links, and an intermediate link. The topsoiling mechanism also comprise a mechanism for moving the rear link relative to a reference part connected to the frame. In addition, the seed drill element includes a locking mechanism so that the topsoiling mechanism can be configured for front topsoiling, for rear topsoiling, and/or for rocker topsoiling.

REFERENCES:
patent: 3880100 (1975-04-01), Gillies et al.
patent: 4135457 (1979-01-01), Willis
patent: 4148266 (1979-04-01), Weitz
patent: 4374500 (1983-02-01), Westerfield
patent: 4750441 (1988-06-01), Pfenninger et al.
patent: 766040 (1957-01-01), None

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