Nautical propeller

Abstract

Propeller (1) comprising a cylindrical body (3), a hub (2) able to be coupled to a drive unit and rotatably assembled at least partially in said cylindrical body of the propeller, and at least one blade (4) rotatably pivoted to said cylindrical body of the propeller, said hub (2) being rotatable relative to said cylindrical body of the propeller, or vice versa, for adjusting the fluid dynamic pitch of said at least one blade (4), the propeller further comprising at least one elastic element (8) for adjusting the fluid dynamic pitch of said at least one blade and an adjusting device (30) for adjusting at least the preload of said at least one elastic element (8), characterized by comprising at least one housing body (14a, 14b) interposed between said elastic element (8) and said cylindrical body (3), said elastic element (8) being housed in said housing body (14), said housing body (14a, 14b) being rotatable relative to said cylindrical body (3).

Dependencies are inferred from the claim text.