Novel compasses
The utility model provides a pair of novel compasses. The device comprises a strut and a left support leg, sliding grooves are symmetrically formed in the left side wall and the right side wall of thesupporting rod from top to bottom, the section of each sliding groove is in a T shape, a sliding pie...
Saved in:
| Main Authors | , |
|---|---|
| Format | Patent |
| Language | Chinese English |
| Published |
05.11.2019
|
| Subjects | |
| Online Access | Get full text |
Cover
Loading…
| Summary: | The utility model provides a pair of novel compasses. The device comprises a strut and a left support leg, sliding grooves are symmetrically formed in the left side wall and the right side wall of thesupporting rod from top to bottom, the section of each sliding groove is in a T shape, a sliding piece is slidably connected to the upper portion of each sliding groove, the left supporting leg and the right supporting leg are symmetrically hinged to the sliding pieces respectively, the left supporting leg, the right supporting leg and the supporting rod are arranged on the same plane, and drawing pens are arranged below the left supporting leg and the right supporting leg respectively. According to the novel compasses of the structure, after the left supporting leg and the right supporting leg are adjusted to proper positions, the supporting rod is rotated to draw circles synchronously, and the drawing speed and efficiency of circular rings are improved.
本实用新型提供一种新型圆规，包括支杆、左支腿，右支腿，所述支杆的左右侧壁上对称设置有自上而下的滑槽，所述滑槽截面呈T |
|---|---|
| Bibliography: | Application Number: CN201821924369U |