Title:
OMNIDIRECTIONAL WHEEL SET AND SUITCASE
Document Type and Number:
WIPO Patent Application WO/2017/012270
Kind Code:
A1
Abstract:
Disclosed are an omnidirectional wheel set and a suitcase having same. The omnidirectional wheel set comprises: a base structure, the base structure comprising an upper base (21) and a lower base (22) which can enclose a chamber (221); and a ball wheel (3), wherein the ball wheel (3) can be locked inside the chamber (221) in an omnidirectional rolling manner. An opening is provided at the bottom of the lower base (22), such that a part of the ball wheel (3) can protrude from a lower end surface of the lower base (22) and forms an exposed rolling spherical surface (31), and the inner diameter of the opening is smaller than the diameter of the ball wheel (3).
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Inventors:
ZHAO TONG (CN)
TAO QUN (CN)
LIU HUAYIJUN (CN)
TAO QUN (CN)
LIU HUAYIJUN (CN)
Application Number:
PCT/CN2015/098941
Publication Date:
January 26, 2017
Filing Date:
December 25, 2015
Export Citation:
Assignee:
XIAOMI INC (CN)
International Classes:
B60B33/02; A45C5/14
Foreign References:
CN104972833A | 2015-10-14 | |||
CN204801421U | 2015-11-25 | |||
CN2176922Y | 1994-09-14 | |||
CN87213317U | 1988-08-03 | |||
US4402108A | 1983-09-06 | |||
US4996738A | 1991-03-05 |
Attorney, Agent or Firm:
CHINA PAT INTELLECTUAL PROPERTY OFFICE (CN)
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