Coulisse/Cam-groove Desmo

009A Picture 1 of the metal model
This wonderful mechanism was designed by Hans Peter Länge from Germany and it actually ran on a Moto Guzzi.(see also “systems”).
This kind of desmo has the characteristics:
Mostly rollerformed cam(groove)followers.
Camform and guidance are very critical.
Outdated type of system.
(Classification = Group 1A(4))
 009BPicture 2 of the metal model