for slewing in a continuous operation, e.g. for tracks which carry excavators

Full Title

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

Child Classifications

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• E01B 33/08 Boom track-slewing machines
• E01B 33/10 Bridge track-slewing machines
• E01B 33/12 Combined boom and bridge track-slewing machines
• E01B 33/18 Details not peculiar to a particular type of machine