Patent ID: 7231795

Claim:
An automatic rolling machine with flat chasers, comprising a motionless plate, a movable plate fixed to a supporting structure having a reciprocating motion, a base and means for actuating said reciprocating motion, said means for actuating comprising a spindle, a crank, and a linkage, said spindle being supported by said base and actuating said crank, said crank in turn actuating said reciprocating motion of said supporting structure of said movable part by means of said linkage, wherein said base comprises a first motionless part, which is rigidly coupled to the frame of the machine, and a second movable part, which constitutes the support of the spindle, the position of said movable part with respect to said motionless part being adjustable by a means for varying the position of the movable part with respect to the motionless part.