Title:
LUMBAR ADJUSTMENT SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/027832
Kind Code:
A1
Abstract:
A lumbar adjustment system for use in a self-contained breathing apparatus, the lumbar adjustment system having a rotating ring member operatively connecting a backplate to a lumbar plate, wherein the rotating ring member directly or indirectly engages with a locking notch and grooves in the backplate channel to allow adjustment of the lumbar plate relative to the backplate while the self-contained breathing apparatus is worn by a user.
Inventors:
YU LONGTENG (CN)
ZHU LIDA (CN)
YAN RUITONG (CN)
YAO HAIFENG (CN)
ZHU LIDA (CN)
YAN RUITONG (CN)
YAO HAIFENG (CN)
Application Number:
PCT/CN2023/111291
Publication Date:
February 08, 2024
Filing Date:
August 04, 2023
Export Citation:
Assignee:
MSA SUZHOU SAFETY EQUIPMENT RES AND DEVELOPMENT CO LTD (CN)
International Classes:
A62B9/04
Domestic Patent References:
| WO2022123376A1 | 2022-06-16 |
Foreign References:
| US20150144675A1 | 2015-05-28 | |||
| CN215461523U | 2022-01-11 | |||
| CN215461524U | 2022-01-11 | |||
| CN206026894U | 2017-03-22 | |||
| EP0405035A1 | 1991-01-02 | |||
| EP3888492A1 | 2021-10-06 | |||
| US20200103073A1 | 2020-04-02 |
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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