Plate cam 1 rotates about fixed axis A. Follower 2 oscillates about fixed axis B and carries roller a which rolls along the working surface of cam 1. Link 5 is connected by turning pairs C and D to follower 2 and to slide 3 which reciprocates in fixed guides f-f. Rigidly attached to slide 3 is ram 6 of the pressing device. Roll a is held in contact with cam 1 by spring 4.
$3218$CmL,HP$