Title:
ROLLING BEARING AND APPLICATION THEREOF
Document Type and Number:
WIPO Patent Application WO/2023/193743
Kind Code:
A1
Abstract:
A rolling bearing (41) comprising an inner ring (401), an outer ring (402), and balls distributed between the inner ring and the outer ring. The rolling bearing (41) only extends outwardly by a protruding ring (403) from the inner ring on a single side, the protruding ring (403) and the inner ring (401) are integrally formed, and an end portion of the protruding ring (403) forms an abutting end for performing abutting. Also provided is the application of the rolling bearing (41) in a roller skate, wherein a pair of bearing protruding rings (403) inwardly abut against each other and are mounted in a roller assembly hole (51), thereby omitting a traditional movable spacer sleeve, and overcoming the defect that roller skate rollers (4) cannot be fastened during assembly. Moreover, the rolling bearing (41) also operates within the operating precision requirement range thereof, the rollers (4) rotate flexibly, and the safety is also guaranteed.
Inventors:
ZHOU ZHIZHUANG (CN)
Application Number:
PCT/CN2023/086457
Publication Date:
October 12, 2023
Filing Date:
April 06, 2023
Export Citation:
Assignee:
ZHUANGDA TECH AND INDUSTRY HANGZHOU CO LTD (CN)
International Classes:
A63C17/02; F16C33/58; A63C17/20; A63C17/22
Foreign References:
| CN115789095A | 2023-03-14 | |||
| CN218207499U | 2023-01-03 | |||
| CN213789922U | 2021-07-27 | |||
| CN218187815U | 2023-01-03 | |||
| US5752708A | 1998-05-19 |
Attorney, Agent or Firm:
HANGZHOU CHENGLONG INTELLECTUAL PROPERTY ATTORNEYS OFFICE LLP et al. (CN)
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