Land vehicles – Wheeled – Running gear
Patent
1990-01-24
1991-05-28
Bertsch, Richard A.
Land vehicles
Wheeled
Running gear
180 2402, 280704, 280711, 280DIG1, B60P 100, B62D 6112
Patent
active
050187554
ABSTRACT:
The present invention is directed to a pneumatic system for (a) raising and lowering the tag axle assembly and (b) applying a variable downward force to the wheels of the tag axle assembly when the wheels are in their ground engaging position. This system disclosed is intended to be tied into the pneumatic brake system which comes standard on most heavy duty work vehicles. The entire system is also controllable from the vehicle's cab.
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Christenson Ronald E.
McNeilus Garwin
Bertsch Richard A.
McNeilus Truck and Manufacturing, Inc.
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