Adjustable tillage implement positioning apparatus

Details Adjustable tillage implement positioning apparatus Adjustable tillage implement positioning apparatus

1981-09-22

1983-12-06

Johnson, Richard J.

Earth working

Overload shifting

Frangible lock

172552, 172551, 172573, A01B 6104, A01B 2900, A01B 3528

Patent

active

044187610

ABSTRACT:
A mounting/positioning apparatus for attaching an agricultural implement such as a reel unit or a rotary packer assembly to the frame of a tillage machine is disclosed. The apparatus includes two opposing end portions rigidly coupled together by means of a cross member with the agricultural implement rotationally mounted between the two opposing end portions. The two end portions are pivotally coupled to a first frame cross member to which is rigidly coupled one end of a second frame member extending rearwardly therefrom. The other end of the second frame member is flexibly coupled to the cross member by means of a longitudinally compressible spring providing for the vertical displacement of the rotating implement upon impact with an obstruction. Spring tension is adjustable for varying the downward force applied to the working implement with the second frame member incorporating shear pin protection for the implement against high impact forces applied thereto from contact with rocks and other obstructions.

REFERENCES:
patent: 500418 (1893-06-01), Over
patent: 796884 (1905-08-01), Weatherly
patent: 2569464 (1951-10-01), Edwards
patent: 2896730 (1959-07-01), Spurgin
patent: 3170421 (1965-02-01), Norris
patent: 4048929 (1977-09-01), Zumbahlen
patent: 4077478 (1978-03-01), Neukom
"Landoll Tilloll.TM.", published by Landoll Corporation, Marysville, KS.
"The `One Trip` Series 80 Tillage Machines", published by Heath Farm Equipment, Fort Collins, CO.

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