Steerable vehicle
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United States of America Patent
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Oct 18, 2016
Grant Date -
Oct 23, 2014
app pub date -
Sep 3, 2012
filing date -
Sep 7, 2011
priority date (Note) -
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Abstract
A steerable, self-propelled vehicle (20) includes a rotatable steering column that is connected to control the steering angle of one or more ground-engaging members of the vehicle. The vehicle includes between the steering column and the ground-engaging member a first steering servomechanism having at least a first steering assistance characteristic; a second steering servomechanism having a second steering assistance characteristic also being connected to act on the steering column. A controller is provided for causing the first and second steering assistance characteristics to influence the steering of the vehicle in dependence on one or more one or more control commands generated in the controller.
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