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 7.
调整前旋转开合板式结构
Fig.7.
RRPS before adjustment