Refrigerant charging hose assembly
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United States of America Patent
Stats
-
May 14, 2002
Issued Date -
N/A
app pub date -
Nov 19, 2001
filing date -
Apr 9, 2001
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A refrigerant charging hose assembly has an aerosol shut-off valve connectable to a refrigerant canister and interconnected to a disconnect coupler fitting by a length of refrigerant charging hose, the body portion of the coupler fitting being economically formed from high tensile strength elastomeric plastic material. A spring-loaded, floatingly supported control pin member is shifted to open the disconnect coupler fitting when the pin member engages and depresses a corresponding pin member within an air conditioning system service fitting to which the coupler fitting is connected. when the coupler fitting is removed from the service fitting the coupler fitting pin member is spring-driven back to its original position in which a flange portion thereof closes the coupler fitting to prevent discharge of pressurized refrigerant therethrough from the canister.
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