| 摘要 |
PROBLEM TO BE SOLVED: To provide a collapsible tip part bending device, having a collapsible tip part mechanically adjusted in a short time, and advantageous in terms of cost, and easily and safely performing measurement for adjusting an angle of the collapsible tip part. SOLUTION: This collapsible tip part bending device for a movable crane 20, has a joint area 9 bent for adjusting the angle of the collapsible tip part 10, and having a joint 8 in an upper side tension load area. The joint area 9 has an expandable means mechanically fixable in a lower side pressure load area. COPYRIGHT: (C)2005,JPO&NCIPI
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