Trolleys or crabs, e.g. operating above runways (runways, tracks or trackways therefor B66C7/00; winch mechanisms B66D)

Child Classifications

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• B66C 11/02 with operating gear or operator's cabin suspended, or laterally offset, from runway or track
• B66C 11/08 with turntables
• B66C 11/12 having hoisting gear adapted to special load-engaging elements and not otherwise provided for
• B66C 11/14 adapted to operate on crane or bridge structure of particular configuration, e.g. on reinforced concrete girders of rectangular cross-section
• B66C 11/16 Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear