Universal workshop crane - has column accommodating jib and rotary table in one or more intermediate positions

摘要

The universal crane partic. for use in workshops, has a chassis travelling over the floor and a vertical main column at one end, on the top of which is a telescopic and hydraulically-derricked jib. The column (22) a accommodates the jib (60) and/or a rotary table (110) in one or more intermediate positions. The table can be mounted can be jib head, being kept horizontal during derricking by a parallelogram bar (132) attached at the other end to the column.