| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a cord reel device for a telescopic boom device capable of using a cord reel body used in an N stage type telescopic boom device in common in an N+1 stage type telescopic boom device. <P>SOLUTION: This cord reel device 2 comprises: a fixing part 3 arranged on a base end boom 10 and fixing the tip of wiring 8; the cord reel body 4 arranged on a tip boom 16 and delivering and winding the wiring 9; and a folding-back support part 5 arranged between the fixing part 3 and the cord reel body 4 and supporting so as to be capable of delivering and winding to the cord reel body 4 while folding back the wiring 8. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
