Compression device that can achieve universal joint compression with rounded lines

A compression device (4) used for the assembly of universal joints located on the propeller shafts transmitting rotational motion and torque in motor vehicles, which ensures the connection of a bearing universal joint (11) located on the arms reciprocal (12) of a crosshead (1) located between the two mounting holes (21) of one half of the fork (2) to said half of the fork (2), said compression device (4) is formed on a body (41), said compression device (4) comprises: - at least two compression members (42) placed on said body (41) and providing compacting by compressing the material around the hole (21) in which bearing universal joint (11) is seated in said half of the yoke (2) which fixes the bearing and universal joint (11). characterized in that; said compression device (4) further comprises: - at least two slots (43) which provide the positioning of said compression members (42) to the body (41) with the insertion of at least one of said compression members (42) .