WHEEL RIM FOR AIR TIRE Russian patent published in 2013 - IPC B60B25/18 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry. wheel rim comprises inner and outer semi-rims 1, 2 with flanges folded 3, 4 inward and coupled by lock ring 5 with trapezoidal groove 6 at inner surface to accommodate said flanges 3, 4 of semi-rims 1, 2. Lock ring 5 comprises flanges 7, 8 folded inward and sector cutout 9. Folded flanges 3, 4 of semi-rims 1, 2 have slots 10, 11 for retainer 12 to be fitted therein. Lock ring 5 has slot 13 deep to base 14 of flange 7 folded outward in sector cutout 9 on the side facing inner semi-rim 1.Three-lug retainer 12 is rigidly coupled with inner semi-rim 1 so that mid lug 15 is fitted in cutouts 10, 11 at flanges 3, 4 folded inward on semi-rims 1, 2 and on one of flanges 7, 8 folded outward of lock ring 5 while two extreme lugs 16, 17 of retainer 12 cover inner surface 18 of lock ring 5 on both sides from its sector cutout 9.

EFFECT: higher reliability of retainer attachment.

2 cl, 6 dwg