A ROTATABLE SUPPORT FOR A GROUND-ENGAGING ELEMENT
A rotatable support arrangement for a ground engaging-element (14, 16) of a vehicle (11) includes a support 17 that is rotatable about an axis of rotation in directions corresponding to forward and reverse movement of the vehicle (11). The support (17) defines a circumference protruding from which i...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A rotatable support arrangement for a ground engaging-element (14, 16) of a vehicle (11) includes a support 17 that is rotatable about an axis of rotation in directions corresponding to forward and reverse movement of the vehicle (11). The support (17) defines a circumference protruding from which in a direction parallel to the axis of rotation is a sensor element (19) that is mounted for co-rotation with the support (17). The extent of protrusion of the sensor element (19) from the support (17) varies with position around the circumference; and the arrangement further includes a sensor (21) located to detect the sensor element (19) on rotation of the support (17) and generate a signal (23) that is proportional to proximity of the sensor element (19) to the sensor (21), such proximity being proportional to the extent of protrusion of the part of the sensor element (19) for the time being detected by the sensor. |
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