Four wheel chassis for a floor conveyor, a counterweight stacker in particular
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United States of America Patent
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Feb 24, 2009
Grant Date -
Feb 8, 2007
app pub date -
Jun 27, 2006
filing date -
Jul 11, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A four wheel chassis for a floor conveyor, a counterweight stacker in particular, in which the ends of the front and rear axle or the wheels, respectively, are supported with respect to the vehicle frame via double-acting hydraulic cylinders, which on their turn co-operate with hydraulic accumulators and constitute a hydraulic chassis system, wherein first controllable on-off valves separate the hydraulic accumulators from the hydraulic cylinders at option, and wherein a hydraulic lifting equipment for a load supporting means is provided, wherein a hydraulic system for the lifting equipment co-operates with the hydraulic chassis system via a pressure intensifier, and the pressure in the chassis system and with this a compression movement is changed as a function of the taken-up load.
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