| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pruning ruler by which the finishing by pruning of trees can be carried out linearly. <P>SOLUTION: The pruning ruler comprises a body A1, a body B2, a body C3, a bubble level 7, comb-shaped upper pins 4 and comb-shaped lower pins 5. The pruning ruler is positioned horizontally or with a slope by using the bubble level 7 as an index by allowing the comb-shaped upper pins 4 and the comb-shaped lower pins 5 to be inserted directly into arbitrary positions of the objective tree to provide the flat pruning ruler composed of the body A1, the body B2, the body C3, and the comb-shaped upper pins 4 or the comb-shaped lower pins 5. <P>COPYRIGHT: (C)2012,JPO&INPIT |
