Key works: profile of spatial cam
spatial cam sliding tooth transmission
spatial mechanism
空间机构
立体机构
空间传动机构
空间连杆机构
空间机构学
arc face indexing cam mechanism
Arc surfaced indexing cam mechanism
cam mechanism with swinging follower
Conjugate Cam Mechanism
conjugate cam mechanism of reciprocating-movement
conjugate dividing cam mechanism
conjugating cam mechanism
Constant-width cam mechanism
Cylindrical Cam Mechanism
Cylindrical Indexing Cam Mechanism