Run-flat device for motor vehicle, mounted assmbly...

B - Operations – Transporting – 29 – C

Patent

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Details

B29C 70/70 (2006.01) B60C 15/028 (2006.01) B60C 17/04 (2006.01) B60C 17/06 (2006.01)

Patent

CA 2727643

The present invention relates to a run-flat device for attaching a tubeless mounted assembly for a motor vehicle, and to such a mounted assembly incorporating said device. A device (30) according to the invention includes: a tire support structure (30), to be mounted around a rim having a plurality of pieces and comprising a reinforcing frame, and a bead lock means for locking the beads against the rim edge and connecting the support structure to the beads. According to the invention, the frame comprises an axial belt having at least one pair of ends opposite each other, separated by a connecting axial interstice, and connected therebetween by detachable connecting means (35, 36) for locking the belt, the support structure being radially split on both sides on the right of each interstice to enable the manual mounting of the device inside the casing by the gradual insertion therein of the structure, temporarily free of the connecting means.

La présente invention concerne un dispositif de roulage à plat destiné à équiper un ensemble monté sans chambre à air pour véhicule automobile et un tel ensemble monté incorporant ce dispositif. Un dispositif (30) selon l'invention comprend une structure de soutien (30) d'un pneumatique destinée à être montée autour d'une jante à plusieurs blocs et comportant une armature de renforcement, et des moyens de blocage des talons contre les rebords de jante qui sont destinés à relier la structure de soutien aux talons. Selon l'invention, l'armature comporte une ceinture axiale présentant au moins une paire d'extrémités en vis- à-vis séparées par un interstice axial de connexion et connectées entre elles par des moyens de connexion amovibles (35, 36) pour le verrouillage de la ceinture, la structure de soutien étant fendue de part en part radialement au droit du ou de chaque interstice, de sorte à permettre un montage manuel du dispositif à l'intérieur de l'enveloppe en y insérant progressivement la structure momentanément dépourvue des moyens de connexion.

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