Breakaway hose coupling
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 9, 1989
Grant Date -
N/A
app pub date -
Oct 11, 1988
filing date -
Oct 11, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A breakaway hose coupling for application within a fuel line, that prevents untimely decoupling, and avoids unnecessary leakage. The coupling includes a pair of fittings, for connecting to the fuel line, a sleeve provided for limited sliding movement upon one of the fittings, with each fitting incorporating a poppet valve, to provide for closure when decoupling occurs, or other unseating, from within the respect fittings, during normal coupling assembly and usage. Detents are provided within one of the fittings for interconnecting within a seating groove provided interiorly of the sleeve, to normally retain the coupling assembled, but various fastening rings, arranged within the sleeve and one of the fittings, provides for limited shiftable movement, occuring when tensioning force is exerted, to provide clearance for disconnection, while at the same time, said fastening rings capable of shifting, to provide for recoupling of the device together upon assembly. A fluid chamber is provided intermediate select of the fastening rings, to provide an equalization and counterbalancing of fluid pressures, when internal pressures spikes generated within the coupling and hose line occur, so as to prevent untimely disconnection, or leakage from the coupling, during routine usage.
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