Patent ID: 7644664

Claim:
A track guided vehicle system comprising: a track guided vehicle, left and right guide tracks projecting in a vertical direction at a right and left of a running track, left and right guide rollers on the track guided vehicle which contact inner surfaces of the left and right guide tracks, branching rollers at the right and left of the track guided vehicle, each comprising elevating and lowering means, the branching rollers being positioned outside the right and left guide tracks, and cam plates that can be rotatively moved, each provided with a cam used to elevate and lower the corresponding one of the branching rollers via a cam follower, wherein branching and rectilinear progression of the track guided vehicle is controlled by switching between a state where the branching rollers are elevated to guide the track guided vehicle using outer surfaces of the guide tracks and lowered to a state where the branching rollers do not contact the outer surfaces of said guide tracks.