Patent attributes
A transmission device transforms an alternate rotational movement of an alternately rotating element into a linear reciprocating movement. The device includes a linear reciprocating element connected to the rotating element, and a first pivoting element having a first fixed pivot point connected to the linear reciprocating element. The transmission device includes a second pivoting element connected to the first pivoting element. A ball member, which may be connected to a CPR piston, is attached to the second pivoting element. A third pivoting element having a second fixed pivot point is connected to the second pivoting element.