Land vehicles – Wheeled – Running gear
Reexamination Certificate
2007-03-27
2007-03-27
Ellis, Christopher P. (Department: 3618)
Land vehicles
Wheeled
Running gear
C280S006155, C280S006156, C280S763100
Reexamination Certificate
active
10471646
ABSTRACT:
A mobile viscous matter pump comprising a hydraulically operated support construction, a distribution boom (16) and a pneumatic cushioned trailing axle (42). To ensure stability during the pump operation, the trailing axle (42) can be lifted by means of a lifting element (58) by bleeding the pneumatic suspension, whereby the bleeding of the pneumatic suspension (44) and the operation of the lifting element (58) and a locking element (64) can be controlled according to the on-condition of the auxiliary drive (NA) of the vehicle motor, used to supply the hydraulic fluid of the drive hydraulics.
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Göggelmann Gernot
Petzold Wolf-Michael
Akerman & Senterfitt
Coolman Vaughn
Ellis Christopher P.
Pendorf Stephan
Putzmeister Aktiengesellschaft
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