Second stage demand breathing regulator
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 6, 1994
Issued Date -
N/A
app pub date -
Mar 1, 1993
filing date -
Feb 4, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A second stage demand regulator is disclosed which has a regulator body with a spring loaded poppet valve mounted therein. A diaphragm mounted in said regulator body responds to pressure differentials to provide demand breathing gas to a user in communication with the regulator. The demand valving function is provided by the spring loaded poppet having a lever in contact with the poppet and the diaphragm. Upon acutation of the diaphragm, a greater mechanical advantage is initially provided to the lever through a point of contact with an operating surface that is closer to the axis of rotation than a second point of contact.
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Family
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