Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
David R. Bauer0
Marcus F. Dack0
Thomas E. Price, Jr.0
Walter A. Osswald0
Alan Severns0
Chris Osswald0
Jeffrey A. Wierschke0
Joe A. Racz0
...
Date of Patent
April 12, 2016
0Patent Application Number
140888560
Date Filed
November 25, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
An extendable frame work vehicle offering enhanced versatility, safety and effectiveness. The vehicle includes an adjustable frame with front and rear portions that extend or retract with respect to each other. The front portion is supported by a first pair of wheels and said rear portion is supported by a second pair of wheels. Each wheel is independently driven and steered. The vehicle also includes an engine mounted on the rear portion of the frame. Incorporated into the vehicle is an electro-hydraulic assembly which enables extension and retraction of the adjustable frame. The assembly includes a sensor-responsive microprocessor controller, at least one hydraulic pump, at least one hydraulic drive motor, and at least one valve network.
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