Free-wheel device with cams of the self-centering type with bearings

• Main Author: OLIVIER MESSAGE ET FABRICE CARON
• Format: Patent
• Language: English; French
• Published: 22.01.1988
• Edition: 4
• Subjects: BLASTING; BRAKES; CLUTCHES; COUPLINGS FOR TRANSMITTING ROTATION; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The free-wheel device with cams of the self-centering type with bearings comprising a cage 1 of generally cylindrical shape fitted with a plurality of passages for cams 3, a spring 4 of generally cylindrical shape fitted with a plurality of windows for the cams, each window having at least one return tab 6 coming to bear on the cam and a set of two annular races forming lateral bearings 13 designed to come into contact with an outer sliding track 11 and an inner sliding track 10 which has at least one lubricant-feed orifice 18 located between the internal contact zones of the lateral bearings 13. According to the invention, the device further comprises a plurality of deflector elements 20 mounted between the spring 4 and the inner sliding track 10 having the lubricant-feed orifice 18, each deflector element having portions of surface 22 intended to distribute and laterally direct the lubricant towards the internal contact zones 15 of the lateral bearings 13. LE DISPOSITIF DE ROUE LIBRE A CAMES DU TYPE AUTOCENTRAGE A PALIERS COMPORTANT UNE CAGE 1 DE FORME GENERALE CYLINDRIQUE MUNIE D'UNE PLURALITE DE PASSAGES POUR DES CAMES 3, UN RESSORT 4 DE FORME GENERALE CYLINDRIQUE MUNI D'UNE PLURALITE DE FENETRES POUR LES CAMES, CHAQUE FENETRE PRESENTANT AU MOINS UNE LANGUETTE DE RAPPEL 6 VENANT EN APPUI SUR LA CAME ET UN ENSEMBLE DE DEUX BAGUES ANNULAIRES FORMANT PALIERS LATERAUX 13 ADAPTES POUR ENTRER EN CONTACT AVEC UN CHEMIN DE GLISSEMENT EXTERIEUR 11 ET UN CHEMIN DE GLISSEMENT INTERIEUR 10 LEQUEL PRESENTE AU MOINS UN ORIFICE D'ALIMENTATION 18 EN LUBRIFIANT DISPOSE ENTRE LES ZONES DE CONTACT INTERNE DES PALIERS LATERAUX 13. SELON L'INVENTION, LE DISPOSITIF COMPREND EN OUTRE UNE PLURALITE D'ELEMENTS DEFLECTEURS 20 MONTES ENTRE LE RESSORT 4 ET LE CHEMIN DE GLISSEMENT INTERIEUR 10 PRESENTANT L'ORIFICE D'ALIMENTATION 18 EN LUBRIFIANT, CHAQUE ELEMENT DEFLECTEUR PRESENTANT DES PORTIONS DE SURFACE 22, DESTINEES A REPARTIR ET ORIENTER LATERALEMENT LE LUBRIFIANT VERS LES ZONES DE CONTACT INTERNE 15 DES PALIERS LATERAUX 13.