PNEUMATIC TIRE WHEEL RIM Russian patent published in 2002 - IPC

FIELD: wheels for automotive vehicles. SUBSTANCE: proposed wheel rim has outer part with hole for valve and inner part with seat flanges and support ring disks arranged in split plane and connected with said parts. Ring disks are provided with holes for axial bolted joints interconnecting the parts. Inner surface of each part of rim is provided with longitudinal orientated stiffening ribs with radially directed surfaces in contact with surfaces of support ring disks pointed to radially directed surfaces. Part of stiffening ribs of both parts of rim is uniformly distributed in angular zones between axially arranged bolted joints of part disks, and part of stiffening ribs located on inner surface of rim outer part is arranged in angular zones passing through axes of disk bolted joints. Moreover, ribs are provided with guide holes for bracing joint formed in these zones, angular displacement of bracing joints being 120^°. EFFECT: simplified design and process of manufacture of wheel rim. 3 cl, 3 dwg