基本信息:
- 专利标题： 带有半径和角度刻度尺的圆规
- 专利标题（英）：Compasses with radius and angle graduated scale
- 申请号：CN200820126373.3 申请日：2008-07-04
- 公开(公告)号：CN201245009Y 公开(公告)日：2009-05-27
- 发明人： 徐鸿江
- 申请人： 徐鸿江
- 申请人地址： 贵州省威宁县草海镇
- 专利权人： 徐鸿江
- 当前专利权人： 徐鸿江
- 当前专利权人地址： 贵州省威宁县草海镇
- 代理机构： 小松专利事务所
- 代理人： 陈祚龄
- 主分类号： B43L9/02
- IPC分类号： B43L9/02 ; G01B3/04 ; G01B3/56 ; G01B5/24 ; G01B5/08
The utility model relates to a pair of drawing compasses with a radius-angle graduated scale, which mainly includes a rotating handle (1), compasses arms (2) and a graduated scale (3); wherein, the middle part of the left arm (25) of the compasses arms (2) is fixedly connected with the graduated scale (3) through retaining screws (31); the graduated scale (3) penetrates through the right arm (26) through a through hole and the value of the radius of the drawn circle can be read from the graduated scale (3); and the value of any angle can be measured through three positioning points (12), and the angle value is shown at the back surface of the graduated scale (3). With the utility model, the drawing can be conveniently and rapidly carried out; and the utility model has simple structure, low fabrication cost, simple and easy maintenance and repair.
IPC结构图谱:
| B | 作业；运输 |
| --B43 | 书写或绘图器具；办公用品 |
| ----B43L | 书写或绘图用品；书写或绘图辅助用品 |
| ------B43L9/00 | 圆形曲线绘图仪或类似仪器 |
| --------B43L9/02 | .圆规 |