Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Vehicle subsystem or accessory control
Reexamination Certificate
2004-12-21
2008-03-25
Camby, Richard M. (Department: 3661)
Data processing: vehicles, navigation, and relative location
Vehicle control, guidance, operation, or indication
Vehicle subsystem or accessory control
C701S050000
Reexamination Certificate
active
07349779
ABSTRACT:
Structure for converting a conventional manual steering system of an off-road vehicle to an automatic steering system utilizing remote signals. A stepper motor is connected through a belt or chain drive to a drive mounted on the upper end of a steering shaft. The stepper motor is connected to a microprocessor and moves with the steering shaft in both a manual steering mode and an automatic steering mode. An encoder provides a signal to a microprocessor that changes operation to the manual mode if the number of steps reported by the encoder is different than what is expected. An assembly including alternate steering wheel, shaft pulley, adapter insert and stepper motor is easily connected to the steering column. A drive motor may also be directly connected to the steering shaft.
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Article titled “Trimble Transforms Lightbar Guidance into Assisted or Automated Steering for Agriculture Applications”, Dec. 1, 2004.
SAE The Engineering Society For Advancing Mobility Land Sea Air and Space, SAE Technical Paper Series, 891840, Applying Farm Chemicals with a Truck Outfitted with Electronic Navigation. p. 3 Author: R. J. Palmer, Engineering University of Regina, Regina, Sask. Canada.
EZ-Steer System—Affordable Assisted Steering, Ag Leader Technology, Inc.
Camby Richard M.
Deere & Company
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