US Patent: 4,175,638
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| Electronically Controlled Four-Wheel Steering
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Patentee:
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| Robert F. Christensen (exact or similar names) - Racine, Racine County, WI |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Applied: |
Dec. 04, 1978 |
| Granted: |
Nov. 27, 1979 |
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Joel Havens
"Vintage Machinery" entry for J. I. Case & Co.
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Description: |
| Abstract:
A control mechanism for a steering system for individually or simultaneously controlling the turning movements of the front and rear wheels of a vehicle is disclosed herein. The steering system is capable of controlling the movement of the rear wheels in a plurality of modes with respect to the front wheels and one mode in which the rear wheels are independently controlled. The control mechanism includes a control member that is pivoted on the frame of the vehicle to a plurality of positions to move an actuating switch that is part of the control means to a plurality of positions corresponding to the respective modes of steering and actuating means that cooperates with a signal producing device that produces a control signal to independently control the turning movement of the rear wheels. |
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