Planting – Drilling – Hill-planting machines
Patent
1994-03-22
1996-01-23
Melius, Terry Lee
Planting
Drilling
Hill-planting machines
172126, A01B 3914, A01B 6902
Patent
active
054857961
ABSTRACT:
An apparatus to be advanced in a travel direction by a vehicle to continuously mark underlying soil. The apparatus has an elongate body with first and second portions and leading and trailing surfaces. Structure is provided at a first location on the elongate body for engaging and marking underlying soil as the soil marking apparatus is advanced over underlying soil. Structure is provided for connecting the elongate body to a vehicle to advance the soil marking apparatus over underlying soil. First structure cooperates between the first and second elongate body portions to allow the first portion of the elongate body to reposition relative to the second portion of the elongate body upon the first portion of the elongate body being acted upon by a predetermined force applied in the first direction at a first point. The first cooperating structure includes a first element having a predetermined tensile strength, structure for operatively engaging the first element with each of the first and second portions of the elongate body so that a force in excess of the predetermined force applied to the first elongate body portion at the first point in the first direction causes the first element to fail in tension, and second structure cooperating between the first and second elongate body portions to allow the first elongate body portion to move guidingly relative to the second elongate body portion under a force applied to the first elongate body portion at the first point in the first direction with the first element failed in tension. The first element resides between the leading and trailing surfaces of the elongate body.
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patent: 4674578 (1987-06-01), Bexten et al.
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patent: 4986367 (1991-01-01), Kinzenbaw
patent: 5027525 (1991-07-01), Haukaas
patent: 5255617 (1993-10-01), Williams et al.
patent: 5379847 (1995-01-01), Snyder
Dawn Equipment Company
Melius Terry Lee
Pezzuto Robert
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