US 12,329,993 B2
Emergency evacuation oxygen mask
Jun Youn Hwang, Incheon (KR)
Assigned to MAXENS Co., Ltd., Incheon (KR)
Filed by MAXENS Co., Ltd., Incheon (KR)
Filed on Dec. 15, 2021, as Appl. No. 17/552,075.
Claims priority of application No. 10-2021-0108920 (KR), filed on Aug. 18, 2021.
Prior Publication US 2023/0054808 A1, Feb. 23, 2023
Int. Cl. A62B 18/02 (2006.01); A62B 9/00 (2006.01); A62B 25/00 (2006.01); B65D 83/20 (2025.01); A61M 15/00 (2006.01)
CPC A62B 18/02 (2013.01) [A62B 9/006 (2013.01); A62B 25/00 (2013.01); B65D 83/20 (2013.01); A61M 15/009 (2013.01); A63B 2213/005 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An emergency evacuation oxygen mask comprising:
a hood configured to be worn on a user's head;
an oxygen canister configured to supply oxygen to the user who wears the hood;
an upper cover in which the hood is accommodated;
a female coupling portion coupled to a lower end portion of the upper cover and connected to an oxygen supply port that is provided at the hood; and
a male coupling portion provided on the oxygen canister and coupled to the female coupling portion,
wherein when the upper cover or the oxygen canister is rotated relative to each other, oxygen is discharged from the oxygen canister.