Title:
QUICK RELEASE STRUCTURE, ADAPTER RING, AND FILTER
Document Type and Number:
WIPO Patent Application WO/2022/141712
Kind Code:
A1
Abstract:
A quick release structure, comprising: a rotating groove body, a sliding groove (2) being provided on the rotating groove body, a gap (3) being provided on a side wall of the sliding groove (2), and the rotating groove body being provided on a first connecting piece; and a limiting piece (4), which is disposed on a second connecting piece (1) and can enter and exit the sliding groove (2) by means of the gap (3). Also provided are an adapter ring and a filter.
Inventors:
SI DASHAN (CN)
WANG GUANGSHAN (CN)
YU XIUZHI (CN)
WANG GUANGSHAN (CN)
YU XIUZHI (CN)
Application Number:
PCT/CN2021/073992
Publication Date:
July 07, 2022
Filing Date:
January 27, 2021
Export Citation:
Assignee:
PGYTECH CO LTD (CN)
International Classes:
G03B17/14
Foreign References:
| CN212060840U | 2020-12-01 | |||
| CN110146960A | 2019-08-20 | |||
| JPH1048728A | 1998-02-20 | |||
| TWI684819B | 2020-02-11 | |||
| CN211979398U | 2020-11-20 | |||
| CN210465810U | 2020-05-05 |
Attorney, Agent or Firm:
CHOFN INTELLECTUAL PROPERTY (CN)
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