Runways, tracks or trackways for trolleys or cranes

Child Classifications

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• B66C 7/02 for underhung trolleys or cranes
• B66C 7/08 Constructional features of runway rails or rail mountings (of general application E01B)
• B66C 7/10 Arrangements or devices for extending runways or tracks
• B66C 7/12 Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges (transfer devices of general application E01B)
• B66C 7/16 Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops (buffer-stops of interest apart from this application B61K7/18; limit-switch arrangements, limit circuits B66D1/56)