HEAVY TRUCK WHEEL RIM Russian patent published in 1995 - IPC

FIELD: transport. SUBSTANCE: rim of wheel for heavy truck has removable side rings 1, removable seat ring 2 and locking ring 3, base with butt-welded parts whose adjacent edges 7, 8 are displaced in cross direction at side of outer and inner surfaces, 9 and 10, respectively. To improve strength of rim provided by forming of inclined weld joint and increase adaptability of manufacture, displacement of butt-joined edges is made with alternating in height of section of convex and concave arc-shaped sections. Thanks to it "lens" is formed in middle zone covering one third of height of butt-joint section. EFFECT: enhanced quality of rim. 2 dwg