PRE-STRESSED ROLLING BEARING AND STEERING COLUMN SUPPORTED BY SUCH A BEARING

• Main Authors: MONTBOEUF, BRUNO, BUSSIT, SYLVAIN
• Format: Patent
• Language: English; French
• Published: 01.09.2011
• Subjects: BEARINGS; BLASTING; ELEMENTS OR CRANKSHAFT MECHANISMS; ENGINEERING ELEMENTS AND UNITS; FLEXIBLE SHAFTS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS; LIGHTING; MECHANICAL ENGINEERING; MOTOR VEHICLES; PERFORMING OPERATIONS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; SHAFTS; THERMAL INSULATION IN GENERAL; TRAILERS; TRANSPORTING; WEAPONS

A pre-stressed rolling bearing (1) comprising an inner ring (2), an outer ring (3) comprising two outer half rings (3a, 3b) mounted in an outer housing (7), a row of rolling elements (4) between the inner (2) and outer rings (3a, 3b), and at least one pre-stressing element (16) mounted in said housing (7) and acting on one of said outer half rings (3b). Said at least one pre-stressing element (16) comprises an inner portion (17) and an outer portion (18), said outer portion (18) being more flexible than said inner portion (17), so as to allow a radial and an angular movement between said inner ring (2) and said housing (7). L'invention porte sur un roulement précontraint (1) comprenant une bague intérieure (2), une bague extérieure (3) qui comprend deux demi-bagues extérieures (3a, 3b) montées dans un boîtier extérieur (7), une rangée d'éléments roulants (4) placés entre la bague intérieure (3) et la bague extérieure (3a, 3b), et au moins un élément de précontrainte (16) monté dans ledit boîtier (7), et qui agit sur l'une des demi-bagues extérieures (3b). Ledit au moins un élément de précontrainte (16) comprend une partie intérieure (17) et une partie extérieure (18), ladite partie extérieure (18) étant plus flexible que ladite partie intérieure (17) de manière à permettre un déplacement radial et un déplacement angulaire entre ladite bague intérieure (2) et ledit boîtier (7).