Blade for motoculture apparatus, knife holder shaft, motoculture apparatus and associated manufacturing procedure

摘要

Blade (9) for motoculture apparatus, intended to be mounted on a knife-holder shaft (7), which has a cylindrical light (14) defined according to an axis of revolution (X) to be mounted on a pivot shaft, said blade ( 9) monobloc, a connection portion (16) having a contact surface of the perimeter of said light (14) destined to come directly in contact with said knife-bearing shaft (7), said blade having a local thickness at the level of said contact surface, called proximal thickness (ep), with respect to the thickness of a working portion (11) of said blade (9), characterized in that said connecting portion (16) comprises a revolution portion (18), defined according to said axis of revolution (X) and connected to said working portion (11) by a transition portion (19), said revolution (18) and transition portions (19) forming a clearance (20).