... travelling C--sprocket travelling D--electr Electric Hoist Model The electric wire rope hoist CD and MD have ... travelling carriage, they can be travelled on the horizontal plane rectilinearly, curvilinearly and circulately. They are not only ... , left and right) B--handpulled travelling model.C--sprocket travelling model.D--electric travelling model.BASIC TECHNICAL PARAMETERS Hoisting capacity ( Kg ...