Tyre rim, support ring and assembly comprising same

Details Tyre rim, support ring and assembly comprising same Tyre rim, support ring and assembly comprising same

B - Operations, Transporting

60

B

B60B 21/10 (2006.01) B60B 21/02 (2006.01) B60C 17/06 (2006.01)

Patent

CA 2178217

Integrally cast type rim (2) for mounting a tyre comprising at least two beads, and including, seen from the meridian cross-section, at least a first (23') and a second (23'') rim seat, as well as a rim base (21). The first rim seat (23') slopes outwardly; the second rim seat (23'') has a generator with its axially inner end on a circle of at least equal diameter to that of the circle on which the axially inner end of the first rim seat (23') is situated; the rim base (21) being devoid of grooves. The assembly comprising such a rim and tread support ring (3) is useful for running with a fully or partially deflated type mounted using said assembly.

Jante (2) monobloc, destinée au montage d'un pneumatique comprenant au moins deux bourrelets, et comprenant, vue en section méridienne, au moins un premier siège (23') et un deuxième siège (23") de jante, et un fond de jante (21). Le premier siège de jante (23') est incliné vers l'extérieur; le deuxième siège de jante (23") a une génératrice dont l'extrémité axialement intérieure est sur un cercle de diamètre au moins égal au diamètre du cercle sur lequel se trouve l'extrémité axialement intérieure du premier siège de jante (23'); et le fond de jante (21) est démuni de gorge. L'ensemble formé par une telle jante et un anneau de soutien (3) de bande de roulement s'applique en roulage à pression faible ou nulle du pneumatique monté avec un tel ensemble.

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