| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a safety rod for lifting onto a roof of which tip can be surely engaged with a roof side engaging part previously installed on the roof surface and which cannot be come off after the engagement. <P>SOLUTION: A safety rod for lifting onto a roof comprises a rod body 2 and an engaging implement 5 fixed to the tip of the rod body 2, and the engaging implement 5 can be opened/closed and can be engaged/disengaged and can be at least engaged with a roof side engaging part 11(12) by opening/closing operation from the user side of the rod body 2. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
