The structure had advantages that: an assistant die sinking air cylinder is added on the down slide block which is helpful to the down slide die realizing die sinking.
以上结构的优点在于：在下滑块上增加一个辅助的开模汽缸，有 助于帮助下滑块实现开模。
2
An intelligent prosthetic limb knee joint with a cylinder stationary type four-bar mechanism belongs to the fields of biological medicine engineering and rehabilitation assistant devices.