Arrangement or construction of rollers moving the rails

Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track > for slewing in a continuous operation, e.g. for tracks which carry excavators > Details not peculiar to a particular type of machine > Arrangement or construction of rollers moving the rails

Machines or devices for shifting tracks, with or without lifting, e.g. for aligning track, for shifting excavator track (combined with sleeper packing machines E01B27/17) > for slewing in a continuous operation, e.g. for tracks which carry excavators > Details not peculiar to a particular type of machine > Arrangement or construction of rollers moving the rails