Castor wheel support assembly for an agricultural machine
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United States of America Patent
Stats
-
Jan 18, 1983
Grant Date -
N/A
app pub date -
Oct 28, 1980
filing date -
Nov 9, 1979
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A support assembly is provided for a castor wheel of an agricultural machine. This support assembly includes an arm rigid with the chassis of the machine and a wheel support member which is supported by the arm for rotation about a vertical axis. In order to facilitate steering of the machine when traversing across the line of maximum gradient on sloping ground, the wheel support assembly is provided with remotely controllable locking means for preventing rotation of the wheel support member, and thus of the castor wheel, about the said vertical axis. The locking means can take the form of a disk fast for rotation with the wheel support member and provided with a notch in its periphery, and a roller displaceable between a working position in which it engages in the notch to lock the wheel support member against rotation, and a rest position in which the roller is out of engagement with the disk.
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Family
International Classification(s)
Cited Art Landscape
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