Straight bar tillage implement

Details Straight bar tillage implement Straight bar tillage implement

1996-10-22

1998-08-25

Melius, Terry Lee

Earth working

Diverse tools

Three or more diverse implements following same path

172166, 172177, 172184, 172196, 172198, 172540, 172603, 1726245, 172627, 172661, A01B 1308

Patent

active

057974608

ABSTRACT:
A tillage implement includes straight bar ripper structure with a main forward toolbar supporting subsoiler shanks from special brackets which can also support coulters ahead of the shanks independently of additional toolbar structure. An optional rear or secondary toolbar is attached by four-bar linkages to the main toolbar. The four-bar linkages allow the operator to adjust the height of the secondary toolbar relative to the main toolbar to accommodate changes in the operating depth of the rippers. The linkages may also be released to allow the secondary toolbar to float relative to the main toolbar. The secondary toolbar accommodates different attachments behind the rippers, such as disk bedders, lister bedders and strip till rigs which can operate at optimum attack angles and penetration regardless of the operating depth of the ripper. The strip till rig includes coulters and a rolling basket supported from the secondary frame by a four bar linkage so the attack angle and the relative operating height of the coulters and rolling basket remain constant as the rig floats throughout the entire vertical range of the rig. The combination of the adjustable secondary toolbar and the four-bar linkage on the rig provides versatility for different soil conditions and different tool and rig operating depths. Transversely adjustable brackets on the main and secondary toolbars help accommodate different tool spacings.

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Kelly Manufacturing Co., brochure entitled "Subsoil No-Till Planter", 1 page, date unknown, published in the U.S.A.
DMI, brochure entitled "DMI Ecolo-Til.TM. 500 3, 5 & 7 Shank Conservation Yield-Till.sup.R Tools", 3 pages, date unknown, published in the U.S.A.

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