根抜き金具
- 专利权人:
- 片山;裕良
- 发明人:
- 片山 裕良
- 申请号：
- JP2010222762
- 公开号：
- JP5319638B2
- 申请日:
- 2010.09.10
- 申请国别(地区):
- JP
- 年份:
- 2013
- 代理人:
- 摘要：
To pull out roots by combining a spring and a weight.
SOLUTION: A pointed metal fitting is installed at one end of a core rod. A receiving metal is installed at the one end. The weight large 10 is made to slide in a direction for the receiving metal by sliding the spring and the weight, respectively, so that the force is continuously added and eventually transmitting the force to the pointed metal.
COPYRIGHT: (C)2012 and JPO& INPIT
- 来源网站：
- 中国工程科技知识中心
