Ground following opener apparatus

Details Ground following opener apparatus Ground following opener apparatus

1996-08-02

1998-08-18

Carone, Michael J.

Earth working

Overload shifting

Against spring return device

1726245, 172661, A01B 4906, A01C 506

Patent

active

057947112

ABSTRACT:
A ground following opener is provided which includes a support frame, a parallelogram arrangement pivotably attached to the support frame, a tyne shank supported by the parallelogram arrangement and an opener supported at a free end of the tyne shank.

REFERENCES:
patent: 3627061 (1971-12-01), Sample
patent: 4126190 (1978-11-01), Wylie
patent: 4580507 (1986-04-01), Dreyer et al.
patent: 4694759 (1987-09-01), Dreyer et al.
patent: 4702323 (1987-10-01), Smit et al.
patent: 4750440 (1988-06-01), Pollard et al.
patent: 4759301 (1988-07-01), Thomas
patent: 4834189 (1989-05-01), Peterson et al.
patent: 4974683 (1990-12-01), Hanig et al.
patent: 5529128 (1996-06-01), Peterson et al.
patent: 5560433 (1996-10-01), Grimm et al.

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