Lateral sliding door guiding and supporting assembly for motor vehicle, has elongated rail with lower and upper bearing rings defined by ribs extending along length of rail and received in groove, where one rib is spaced from another rib

摘要

The assembly has a carriage (18) including a support roller (36) that has an outer rolling surface (38) equipped of a toroidal groove (40). An elongated rail (16) has lower and upper bearing rings (28, 30) defined by respective ribs (48, 46) extending along the length of the rail and received in the groove. The rib (48) is spaced from the rib (46) along a main support direction. The support roller is selectively supported on one of the ribs.