| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ruler which picks, grips, and lifts it with fingers even when it is in a state to be placed on a floor and can carry out a ruler operation such as drawing while a thick glove such as a glove for welding work or a glove for steel work is worn. <P>SOLUTION: The ruler includes a first ruler part 4 in which a lower surface positioned below is a plane, and one side or an edge and the other side or an edge are made rule drawing parts 2 and 3, a second rule part 7 which is positioned just above the first ruler part 4 and has the same shape as the first ruler part 4 and in which ruled line drawing parts 5 and 6 of one side or an edge and the other side or an edge are positioned approximately just above the rule drawing parts 2 and 3 of the first ruler part 4, and a ruler-connecting part 9 comprising six ruler-connecting members 8a-8f in a form in which the widths of them are narrower than those of the first ruler part 4 and the second ruler part 7. <P>COPYRIGHT: (C)2012,JPO&INPIT |
