基于平行四边形环链的旋转开合板式结构
俞锋(),许贤,罗尧治*()
Rotary retractable plate structures with parallelogram closed-loop chains
Feng YU(),Xian XU,Yao-zhi LUO*()

图 5. 直线分割线旋转开合板式结构示意图

Fig.5. Schematic diagram of linear segmentation RRPS