A CONVERTOR OF DYNAMIC TO ROTATIONAL MOTION OF TWO CRANKSHAFTS

The invention relates to a reciprocal-type engine, which requires force on the end of a pushrod, in order to convert it to rotational motion. This is achieved by the coupling of two crankshafts (1), (2) which each has a gear at each end (7), (8) thereof, with an intermediate gear (6) of the same features, so that at each angular displacement of the main crankshaft (1), of larger side (25), follows exactly the secondary one (2), with a smaller side (26). The pushrod (5) ties the crankshafts with their journals (3), (4) to a yoke (9). As a result, the pushrod (5) where at its end the convertible force is applied, and due to its relatively large length, supersedes the resistances of frictions and load, resulting to an easy rotational motion of the crankshaft.