| 摘要 |
PROBLEM TO BE SOLVED: To provide a crane device without fear about interference of connection material each other when reducing the weight by providing the connection material supporting a swinging girder part at a plurality of places. SOLUTION: The girder member which guides and supports a moving cart 11 for hanging load in the horizontal direction provided on the upper part of the crane body 5, consists of a landside girder part 6 and a seaside girder part 8 swingably connected to the tip of the landside girder part 6 in vertical plane through a horizontal holding pin 7. The column member 32 provided on the crane body 5 side and the three places along the longitudinal direction of the seaside girder part 8 are connected with a folded type link member 12 and a flexible type chain 13, and the seaside girder part 8 is supported at a plurality of places. COPYRIGHT: (C)2004,JPO
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