Title: High-speed mobile working machine

Abstract: This disclosure relates to high-speed mobile working machines comprising a first engine for the high-speed drive of the vehicle and a second engine for driving the working device, e.g., a crane or the like. The second engine drives pumps which feed hydraulic fluid to hydraulic motors which power the working device. In one embodiment a mechanical clutch is provided for selectively coupling the outputs of both the first and second engines and transmitting the summed power to the vehicle for high-speed drive. In another embodiment a hydraulic motor, feeded by the pumps for driving the vehicle during the working is provided, the output of which is selectively coupled with the first engine and the summed power is transmitted to the vehicle for high-speed drive.

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Inventors: Scheuerpflug, Hans (Bad Schonborn, DE, US)
Althoff, Dieter (Bad Schonborn, DE, US)

Application Number: 967061
Filing Date: 1978-12-06
Publication_date: 1980-02-19
Assignee: Firma Johannes Fuchs (Ditzingen, DE)
Primary Class(es): 180/69.6 180/53.2, 180/53.4, 180/306, 414/718
Other Classes:
US Patent Ref:

2714936	Aug, 1955	Gregory	180/44.
2728463	Dec, 1955	Beckwith	180/54.
3104528	Sep, 1963	Horig	180/53.
3599814	Aug, 1971	Brownfield	180/66.

Other Refs:
Primary Examiner: Peters, Jr., Joseph F.
Assistant Examiner: McGiehan, Donn
Attorney: Wigman & Cohen