Nurse tank coupling with locking collar
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United States of America Patent
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-
Mar 7, 2017
Grant Date -
N/A
app pub date -
Jul 18, 2014
filing date -
Jul 18, 2014
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An anhydrous ammonia nurse tank coupling had a locking collar for securing a flow nozzle to a nurse tank fitting. A nipple is threadingly secured to the fitting and has a hexagonal-shaped section. A nozzle coupling extends about said flow nozzle for threadingly securing to the flow nozzle to the nipple. The nozzle coupling and the nipple have acme threads which are secured together, with a seal element extending between the nipple and the flow nozzle. A locking collar slidably disposed on said nozzle coupling, for moving from a retracted position disposed aside of the hexagonal-shaped section of the nipple to an extended position disposed adjacent to the hexagonal-shaped section and non-rotatably securing the locking collar to the nipple. The locking collar is non-rotatably secured to the nozzle coupling in the extended position, and non-rotatably secures the nozzle coupling to the nipple when in the extended position.
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Family
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Cited Art Landscape
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