Described are a universal wheel group and a suitcase. The universal wheel group includes: a base structure, including an upper base (21) and a lower base (22) which form a cavity (221); a wheel ball (3) locked in the cavity (221) so as to roll in all directions, wherein a bottom of the lower base (22) is provided with an opening enabling a part of the wheel ball (3) to protrude out of a lower end face (222, 222') of the lower base (22) to form an exposed rolling spherical surface (31), and an inner diameter of the opening is smaller than a diameter of the wheel ball (3).
UNIVERSAL WHEEL GROUP AND SUITCASE
UNIVERSELLE RADGRUPPE UND KOFFER
GROUPE DE ROUE UNIVERSELLE ET VALISE
2021-04-28
Patent
Electronic Resource
English