BALL TYPE LUGGAGE ROLLER ASSEMBLY

WIPO Patent Application WO/2017/024936

A1

Disclosed is a ball type luggage roller assembly, comprising a roller holder (1) and rollers (2) mounted on both sides of the roller holder (1). The roller holder (1) comprises a holder body (11), and the holder body (11) is provided with a radially arranged hollow cavity (111). Each of the rollers (2) comprises a roller inner race (21) and a roller outer ring (22), wherein a rolling body is mounted between the roller inner race (21) and the roller outer ring (22); the respective roller inner races (21) of the two rollers (2) are respectively inserted via openings in both sides of the hollow cavity (111), and the outer walls of the roller inner races (21) are fastened with the inner wall of the hollow cavity (111); the roller outer races (22) are sleeved at the periphery of the hollow cavity (111), and the rolling bodies are mounted between the roller outer races (22) and the periphery of the hollow cavity (111); and each of the rolling bodies comprises a rolling sleeve body (3) and balls (4) mounted on the rolling sleeve body (3). The roller assembly has the advantages of a more stable structure, smoother rolling and being more convenient to mount.

ZHENG WEIGUANG (CN)

PCT/CN2016/091681

February 16, 2017

July 26, 2016

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WENZHOU YIBANG SCIENCE AND TECH CO LTD (CN)

B60B33/00

CN204845380U	2015-12-09
CN105059051A	2015-11-18
CN204526640U	2015-08-05
CN103029788A	2013-04-10
CN1451892A	2003-10-29
CN103228938A	2013-07-31
US20130174375A1	2013-07-11
JP2013212818A	2013-10-17

WENZHOU OUYUE PATENT AGENTS CO.,LTD (CN)

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