HOISTING DEVICE Russian patent published in 1995 - IPC

FIELD: lifting-and-conveying mechanical engineering. SUBSTANCE: device has a lifting mechanism and a flexible traction one end of which is connected with a drive drum and the other one with the load-bearing member. The lifting mechanism is made in the form of two coaxially mounted flexible hoses, one end of each of them is locked on the rod of the load-bearing member, the other one is fastened along the perimeter of the pot walls. The space between the hoses is in communication with the system of feeding the magnetic liquid. The hoses are equipped with members connected with the magnetic generator. EFFECT: enhanced efficiency of hoists using the energy of the electromagnetic field. 2 dwg