| 摘要 |
A STEERING APPARATUS IS PROVIDED FOR USE ON A TRANSIT VEHICLE (10) WHICH INCLUDES SEPARATE STEERABLE DRIVE TIRES (45,50) INTENDED TO FOLLOW THE CONTOUR OF A GUIDE RAIL (20). AN ADJUSTABLE LINKAGE (80) TRANSMITS THE MOTION OF A GUIDE FRAME (65) FOLLOWING A GUIDE RAIL (20) TO THE STEERABLE DRIVE TORES (45,50) AND POSITIONS THE LINKAGE (80) TO PROVIDED THE PROPER SLIP ANGLE TO THE STEERABLE DRIVE TIRES (45,50).(FIGURES 3 AND 4)
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