| 摘要 |
PURPOSE: A tubeless wheel for a handcart is provided to serve as wheel without air injection by forming a hollow with a central fixed core and right and left inner races and to prevent separation of the right and left inner races in summer time by fixing the right and left inner races to core grooves formed on the central fixed core. CONSTITUTION: A tubeless wheel for a handcart comprises a center core(6) with a bearing insertion part(7) on the inner center side, a central fixed core(9) formed on the perimeter of the bearing insertion part, a core groove(10) formed on both ends of the central fixed core, a core protrusion(11) formed on both lower sides of the central fixed core, an inner protrusion(4) formed on left and right inner races(2,3) and inserted in the core grooves, an inner race groove(5) formed on the inner side of the left and right inner races and fitted to the core protrusion, a hollow(13) formed by the central fixed core and the left and right inner races, and a cover tire molded on the exterior surface of the assembly of the center core and the left and right inner races.
|
