RESSORT ANNULAIRE ET ENSEMBLE UNITAIRE ELASTIQUE, NOTAMMENT POUR VARIATEURS DE VITESSE ET EMBRAYAGES

摘要

The present invention relates to annular diaphragm springs for use in clutches and speed changers for automobile vehicles, of the kind having radial fingers separated by orifices alternating with the fingers. According to the invention at least two fingers are each equipped with a fold delimiting a lateral part of the orifice. This stiffens the fingers without increasing the thickness of the diaphragm.