Patent ID: 7516702

Claim:
A track renewal machine extending in a longitudinal direction and movable in an operating direction, which comprises (a) a lower tie transport unit extending in the longitudinal direction for transporting new ties, (b) means for laying the new ties associated with the lower tie transport unit, (c) an upper tie transport unit positioned above the lower tie transport unit for transporting old ties, (d) means for receiving the old ties associated with the upper tie transport unit, (e) a ballast receiving means positioned between the means for laying the new ties and the means for receiving the old ties, (f) a ballast distributing means arranged rearwardly of the ballast receiving means in the operating direction, (g) devices for guiding new rails and laying the new rails on the laid new ties, (h) a ballast conveyor band extending in the longitudinal direction and arranged between the upper and lower tie transport units and between the ballast receiving means and the ballast distributing means, the ballast conveyor band having a discharge end positioned rearwardly of the device for laying the new rails in the operating direction, and (i) a device for spacing the new ties from each other positioned rearwardly of the ballast conveyor band discharge end in the operating direction.