Filter frame, filter including same, and kit including filter

A filter frame, a filter comprising the same, and a kit comprising the same, the filter frame comprising a base member (10) comprising a breathing hole (14) adjacent a first end thereof and a connecting device (19) configured to be connected to a breathing device, the breathing hole (14) and the con...

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Bibliographic Details
Main Authors JUDSON MATTHEW, SANDERS STEPHEN, SHAW GAVIN, JOHNSTONE CLIVE
Format Patent
LanguageChinese
English
Published 05.03.2021
Subjects
DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
FIRE-FIGHTING
HUMAN NECESSITIES
LIFE-SAVING
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Summary:A filter frame, a filter comprising the same, and a kit comprising the same, the filter frame comprising a base member (10) comprising a breathing hole (14) adjacent a first end thereof and a connecting device (19) configured to be connected to a breathing device, the breathing hole (14) and the connecting device (19) being aligned to define an air flow channel therebetween, and a rod (12) comprising a rod (12); the rod (12) is hingedly connected at its proximal end to the first end of the base (10) by a hinge mechanism (22) and includes a sealing member (20) shaped and configured to cover thebreathing hole (14), the rod (12) being biased in a first position and selectively moved to a second position, wherein a gap is defined between the sealing member (20) and the breathing hole (14) inthe first position, and the sealing member (20) seals the breathing hole (14) in the second position; the distal end of the rod (12) is positioned adjacent to and spaced apart from the second oppositeend of the base (10) and i
Bibliography:Application Number: CN201890000703U