Respiratory mask
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United States of America Patent
Stats
-
Mar 5, 2013
Grant Date -
Feb 11, 2010
app pub date -
Aug 4, 2009
filing date -
Aug 5, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A respiratory mask includes a single-piece first cushion ring defining an airflow channel and having a front cover-engaging end portion and a rear abutment end portion adapted to abut against a user's face below the forehead, a cover shell having a cover plate engaged to the front cover-engaging end portion and provided with a connecting hole that is adapted to be connected to an air supply source, a resilient forehead support connected to a top end of the front cover-engaging end portion and bendable toward the rear abutment end portion, a resilient forehead abutment body connected to a top end of and supported by the resilient forehead support and including a second cushion ring adapted to abut against the forehead of the user, and an adjustable head strap unit connected to the first cover shell and the resilient forehead abutment body.
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