Patent ID: 7768375

Claim:
A stack of metallic laminations comprising at least two superposed laminations comprising at least one locking lamination medianly provided with at least two locking openings and with at least one passage lamination comprising, medianly, at least two passage openings, each locking lamination incorporating, adjacent to each locking opening, a tab projecting to one of the sides of said locking lamination, in order to pass through a passage opening of a passage lamination seated against the locking lamination, said tab being bent so as to be contained in said passage opening of the passage lamination and partially seated on an edge portion of the same passage opening of the passage lamination, deformed to one of the sides of said passage lamination to the interior of the locking opening of the locking lamination, axially locking the latter to the passage lamination, at least one of the parts of locking lamination and passage lamination further comprising a lock means actuating in a lock receiving means provided in the other of said parts, in order to provide a relative rotational locking between each two adjacent laminations.