WHEEL Russian patent published in 2013 - IPC B60B21/02 

FIELD: transport.

SUBSTANCE: invention relates to automotive industry, particularly, to wheels for agricultural machinery of light transport facilities. Proposed wheel comprises wheel tread and tire. Note here that tread is round and has axial inner and outer parts 16, 15 and medium part 18 arranged there between. Medium part 18 comprises annular recess wherein tread radius is minimum while every axial inner and outer part 16, 15 makes flange 22, connection surface 23 adjoining said flange 23 and extending toward medium part 18 along the axis. Note here that flange 22 and part of connection surface 23 make thrust surface for tire bead 14. Besides, it has lateral side 19, 20 between connection surface 23 and medium part 18 wherein connection surface 23 is conical for, at least inner or outer part 16, 15, its axial end 24 having maximum radius and axial end 25 having minimum radius. Lateral part 20, 19 of, at least, inner or outer part 16, 15 comprises conical area 28 and curvilinear area 40. Note here that conical surface 28 adjoins connection surface 23 at the end of maximum radius.

EFFECT: longer service life.

11 cl, 3 dwg