Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear

Full Title

Trolleys or crabs, e.g. operating above runways (runways, tracks or trackways therefor B66C7/00; winch mechanisms B66D) > Rope, cable, or chain drives for trolleys; Combinations of such drives with hoisting gear

Child Classifications

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• B66C 11/18 comprising endless ropes or cables
• B66C 11/20 Arrangements, e.g. comprising differential gears, enabling simultaneous or selective operation of travelling and hoisting gear; Arrangements using the same rope or cable for both travelling and hoisting, e.g. in Temperley cranes (power transmissions between driving motors and winch drums B66D1/14)
• B66C 11/22 actuated pneumatically or hydraulically
• B66C 11/24 with means for locating or sustaining the loads or trolleys in predetermined positions; Hay hoists