Patent Document ID: 20140135176
Application ID: 13854179
Patent Flag: 0

Claim One:
1. A respiratory training assembly having a main body, and the main body having a volume barrel partially or completely translucent and having a top, a bottom, an external surface, a chamber, at least one through hole formed through the external surface of the volume barrel near the bottom of the volume barrel and communicating with the chamber of the volume barrel and an air outlet hole formed through the external surface of the volume barrel near the top of the volume barrel and communicating with the chamber of the volume barrel; an inspiratory training device being movably mounted in the volume barrel and having a floating element mounted movably in the chamber of the volume barrel and being movable upwardly or downwardly relative to the volume barrel; an air channel formed on the main body, communicating with the chamber of the volume barrel via the air outlet hole and having an upper end connected to and communicating with the air outlet hole, a lower end, an outlet formed on the lower end of the air channel in the main body and a check valve mounted in the air drainage channel; an output-input entrance formed in the main body and communicating with the outlet of the air drainage channel; and an auxiliary indicating device formed on the main body and having an indicating channel formed on the main body and being in parallel with the volume barrel and having a top end, a bottom end, an internal surface and a drainage branch formed on and protruding downwardly from the top end of the indicating channel and communicating with the indicating channel; an engaging recess formed in the internal surface of the indicating channel near the bottom end of the indicating channel; and an indicating element movably mounted in the indicating channel, selectively abutting against and holding in the engaging recess and having a top, a bottom, a width and an annular flange formed around the top of the indicating element and selectively abutting against and holding in the engaging recess.