Spring-loaded stay-tight retaining nut assembly for a tubing fitting
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United States of America Patent
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N/A
Issued Date -
Jan 4, 2007
app pub date -
Jun 28, 2006
filing date -
Jun 29, 2005
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A tubing connection provides a unique nut assembly that does not loosen or leak when exposed to the initial heat/cool cycles of a chemistry setup. The nut assembly includes a outer housing portion, and a concentric inner locking ferrule. A cavity defined between the inner and outer portion houses a stainless steel spring secured therein by a snap-engaged spring retainer. As the outer nut is rotated on the threads of the fitting, it drives the spring retainer toward the ferrule, thereby compressing the spring and causing it to maintain the engagement of the tubing end on the connector fitting.
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