Patent ID: 8851226
Filing Date: 2014-10-07
Classification: B62D,F16H,Y10T

Abstract:
1. A steering system for a vehicle adapted to travel on a track or a guideway, the vehicle having at least one steerable wheel connected to an axle pivotably supported by a support frame, the steering system comprising: a drive shaft having a rotational axis along its length; a first substantially semicircular gear element provided on the drive shaft and adapted to engage a first rack; a second substantially semicircular gear element provided on the drive shaft and adapted to engage a second rack, wherein the first and second substantially semicircular gear elements are offset along the rotational axis of the drive shaft and are located about a common end of the drive shaft such that: the first substantially semicircular gear element engages the first rack when the drive shaft is rotated in a first direction; the second substantially semicircular gear element engages the second rack when the drive shaft is rotated in a second direction, the second direction being opposite to the first direction; and both first and second substantially semicircular gear elements engage the first and the second rack, respectively, when the drive shaft is in a neutral position.