L01 Positive Return Mechanism with Curved Triangle
L01
 
L02 Positive Return Cam
L02
 
L03 Positive Return Cam Mechanism with Two Twin Curved Square Cams
L03
 
L04 Curved Pentagon Positive Return Cam
L04
 
L05 Positive Return Cam
L05
 
L06 Positive Return Cam
L06