MOVABLE HOIST Russian patent published in 2000 - IPC

FIELD: material handling facilities. SUBSTANCE: movable hoist mounted on automobile trailer has two- member boom gear with cradle installed for slewing on trailer frame. Cradle has follow-up system with rods secured by levers and hinge joints to members. Hoist has also winch with drum and cable one end of which is secured on drum, system of drives and additional equipment. It has also bracket hinge-connected with free end of upper member of boom gear and with free end of follow-up system rod installed on upper member. Cradle is installed for movement independent from boom gear, with possibility of rigid coupling with bracket. Hoist is provided with locking device for joining cradle with bracket. EFFECT: enlarged operating capabilities with possibility of carrying out additional mounting operations. 5 cl, 10 dwg