Tool for a row cultivator, having a leading blade and cutting bl

Details Tool for a row cultivator, having a leading blade and cutting bl Tool for a row cultivator, having a leading blade and cutting bl

1996-11-21

1998-03-24

Melius, Terry Lee

Earth working

Tool, standard or connection

Non-rectangular, symmetrical type

172720, 172725, 172730, 172765, 172769, 1727725, 172734, A01B 3920

Patent

active

057302286

ABSTRACT:
A row cultivator (10) includes a row following system (12) coupled to a toolbar (13) employing frame members (17) and (18) constrained to remain parallel by a cross member (21). Coulter wheels (30) and (31) secured to the frame members (17) and (18) are non-steerable and tool bar drift may be corrected. A tool (40) employs a leading blade (44) and a pair of diverging cutting blades (47) and (48) trailing behind the leading blade (44). A sheer release assembly employs a longitudinally extending bolt (70) centrally disposed and holding a shank (61) to a tool bar (65) so that when a tool on the shank (61) strikes an underground obstacle the bolt (70) is sheared longitudinally.

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patent: 5001995 (1991-03-01), Mikkelsen
patent: 5094300 (1992-03-01), Jurgena

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