Land vehicles – Wheeled – Occupant propelled type
Reexamination Certificate
2007-01-25
2010-11-02
Hurley, Kevin (Department: 3611)
Land vehicles
Wheeled
Occupant propelled type
C280S243000, C280S244000
Reexamination Certificate
active
07823897
ABSTRACT:
A drive system for a work vehicle comprises a control unit adapted to: monitor output of a speed ratio setting input device for a speed ratio setting request signal and output of a drive-request input device for a FWD-only request signal, determine from the speed ratio setting request signal if a requested speed ratio setting represented thereby is one of at least one predetermined speed ratio setting among a plurality of speed ratio settings possible for the work vehicle upon receipt of the FWD-only request signal, and, if so, output at least one control signal engaging a FWD-only mode enabling FWD operation of the work vehicle but disabling RWD operation of the work vehicle. An associated method is disclosed.
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Background Information (one page) (prior art).
Motor Grader Schematic (one page) (prior art).
Breiner Scott Joseph
Kelly Andrew Wayne
Smith Brent Allen
Timmerman Craig Ronald
Deere & Company
Hurley Kevin
Williams Maurice
LandOfFree
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