| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a self-standing indicator which is easily erected even on a pavement road covered with asphalt or the like only by pressing the tip of a rod to the ground or the like. <P>SOLUTION: The self-standing indicator is formed at least of: a rod body 1; an internally inserted pipe 2 which is inserted into the rod body 1, and energized by a spring 4 in an elevating direction; a switch shaft 3 which is slidably inserted into the internally inserted pipe 2, for activating first and second lock means arranged on upper and lower ends thereof; and support legs 7 which are folded upward along the internally inserted pipe 2, and extended upon elevation of the switch shaft 3. <P>COPYRIGHT: (C)2009,JPO&INPIT |
