Lifting attachments for cultivators

Details Lifting attachments for cultivators Lifting attachments for cultivators

1983-01-31

1984-12-11

Johnson, Richard J.

Earth working

Actuator on trailing implement, controlled from propelling...

Servo-motor on implement

172488, 172491, 172502, 172468, A01B 6310

Patent

active

044872682

ABSTRACT:
Components suitable to be sold in kits can be readily applied to cultivators of different makes to be able to raise and to lower independently the ground-working tools on either side of the cultivators. A typical kit contains an upper supporting member, two crossbars, and fastening means for readily attaching the components to a typical cultivator of any make. After installation, the upper support extends upwardly and rearward from the front drawbar to provide a point of support above carriers of a cultivator that are to be ganged for lifting. A crossbar is connected to the rear portion of each of the carriers to be ganged, and then a hydraulic cylinder positioned substantially vertically is connected between each crossbar and the upper support.

REFERENCES:
patent: 2164254 (1939-06-01), Olson
patent: 3193021 (1965-07-01), Lane
patent: 3433310 (1969-03-01), Harper
patent: 3490542 (1970-01-01), Eiten
patent: 3593865 (1971-07-01), Moor
patent: 3708019 (1973-01-01), Ryan
patent: 3804179 (1974-04-01), Johnson
patent: 4333534 (1982-06-01), Swanson
patent: 4396069 (1983-08-01), Ferber

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