Tractor boom
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Sep 15, 1987
Grant Date -
N/A
app pub date -
Apr 23, 1986
filing date -
Apr 23, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An elongated boom is pivotally mounted to the forward portion of a tractor and includes a pair of drive/steering wheels mounted to the forward end portion thereof. An electrically actuated, hydraulic control system provides for direction control and rotation of the drive/steering wheels as well as for pivoting displacement of the boom. The drive/steering wheels are mounted to the boom by means of a front axle bolster and pivot assembly, the mounting point of which to the boom may be fixed as desired to permit the effective length of the boom to be varied. Also mounted to a forward portion of the boom by means of the front axle bolster and pivot assembly is a three-point hitch with tilting mast to which a toolbar having a plurality of row units mounted thereto is attached. A hydraulic top link cylinder coupled between the front axle bolster and pivot assembly and the three point hitch allows the toolbar to be rotated about its longitudinal axis and thus affords on-the-go row unit depth control. A pair of hydraulic lift cylinders coupled to the three point hitch via a rock shaft provides for the displacement of the toolbar and row units to an upraised, nonuse position for transport as well as the lowering thereof to a working, ground engaging position.
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Family
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Cited Art Landscape
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