Agricultural machine including a locking mechanism for preventing a double-rod ram from rotating around its longitudinal axis
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United States of America Patent
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-
Feb 12, 2002
Issued Date -
N/A
app pub date -
Oct 12, 1999
filing date -
Oct 30, 1998
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An agricultural machine including a chassis, a working unit connected to the chassis by a suspension device so that the working unit can move relative to the chassis during work, at least one operating ram for raising the working unit into a transport position or lowering it into a work position relative to the chassis, and at least one lightening ram for transferring part of the weight of the working unit onto the chassis. The operating ram and the lightening ram each include a corresponding chamber formed in a same mobile cylinder, each chamber being connected to a source of fluid and the cylinder being associated with a corresponding locking mechanism for preventing the cylinder from rotating about its longitudinal axis.
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