DEVICE FOR SUSPENDING MOUNTING CRADLE FROM TRUCK TOWER BOOM Russian patent published in 1998 - IPC

FIELD: civil engineering. SUBSTANCE: device is designed for lifting platforms, mounting cradle or cabins on trucks to provide any required operating position for workers. It is related to special-purpose lifting facilities for suspending mounting cradles from truck tower boom and preventing overloads on truck tower boom. Invention describes two design version of device. Both versions have lever mechanism with brackets, U-shaped lever and posts connected by bridge. Second version differs from first one in the fact that posts are secured on support platform with displacement to edge from center, and hinge joints connecting additional levers with brackets are located in points on lower portion of brackets. EFFECT: enhanced safety in operation. 7 cl, 10 dwg