| 摘要 |
<p>PURPOSE: A self-breathing device is provided to supply filtered external air to the inside of an oxygen storage tank. CONSTITUTION: A self-breathing device comprises a main body(10) which is worn on the back of a user, an oxygen storage tank(20) which is installed in the main body and stores air, and a pumping unit(30) which supplies external air to the inside of the oxygen storage tank. The pumping unit comprises a lever member(310) which is combined with the main body, a pump member which supplies external air to the inside of the oxygen storage tank, and a filter member.</p> |
