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VARIABLE-STROKE PLATE CAM MECHANISM

Cam 1 rotates about fixed axis A and consists of constant member a and adjustable member b which can be turned about axis C of the constant member by means of screw device 3 to change the working surface of cam 1 as a whole. Follower 2 reciprocates in fixed guides B-B and carries rollers 4 which roll a long the working surface of cam 1. When the working surface of cam 1 is changed, it is necessary…