| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a hook holder for wheel cranes, which supports a hook portion so as to secure excellent visibility and enough ground clearance while the wheel crane is running with simple operation. <P>SOLUTION: The hook holder 1 for wheel cranes has an attachment part 22 which is attached to a hook block 4 so as to be removal and enclose it, and a hook support portion 24 which supports the hook portion 6. The attachment part 22 and the hook support portion 24 are formed so that the hook support portion 24 supports the hook portion 6 from the bottom so that the hook portion 6 may be in a posture rotated from the vertical direction to the direction along to a boom by a specified angle when the hook block 4 is held in a posture along to the boom in a falling-down state by attaching the attachment part 22 to the hook block 4. <P>COPYRIGHT: (C)2012,JPO&INPIT |
