LEVER-CAM MECHANISM FOR GEAR SHIFTING

When cam 1 rotates about fixed axis O, lever 2, turning about fixed axis E and having valve member 4 at one end, brings member 4 into contact with one or the other hollow plunger 3, depending upon the position of cam 1. The pertinent plunger 3 is shifted and chambers A and D (or A and D') are disconnected, and chambers D and B (or D' and B') are connected together. If chambers D and D' are connect…