Earth grading machine with one or more rollers
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United States of America Patent
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Nov 18, 2014
Issued Date -
N/A
app pub date -
Feb 27, 2013
filing date -
Mar 9, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A ground shaping machine, particularly an agricultural machine, including a frame, at least one roller fitted with a flexible tire, a first bearing and a second bearing whereby the roller can rotate about a substantially horizontal axis in the working position, the first bearing and the second bearing being positioned one at each end of the roller. The frame has a first support and a second support, the first support at least being connected to the first bearing through a suspension device including a mechanism with an upper arm and a lower arm, both substantially horizontal and perpendicular to the axis of rotation of the roller, each of the upper and lower arms being connected by a joint to the first support, and to the first bearing, the mechanism forming a deformable quadrilateral, while the suspension device also have a substantially vertical resilient return member connected by a joint to the first support and to the first bearing.
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Cited Art Landscape
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