Valves and valve actuation – With correlated flow path – Flow path joint interlocked with valve or actuator
Patent
1989-07-25
1990-03-06
Chambers, A. Michael
Valves and valve actuation
With correlated flow path
Flow path joint interlocked with valve or actuator
251 895, 285 91, 285307, F16L 3728
Patent
active
049059653
ABSTRACT:
An improved quick-disconnect hose coupling comprising a female coupling half having a ball valve designed with positive interlocking means for retention of a male coupling half in a receptacle formed therein. The ball valve is enclosed in a housing and is arranged to be pivotable therein about an axis, such that the male coupling half communicates with a bore hole in the other end of the ball valve. Pivoting movement of the ball valve provides a flow connection by bringing the bore hole into communication with a hose connector element retained in the other end of the housing, while interlocking pins contained in the ball valve mechanically engage the male coupling half in the receptacle. In one embodiment, a releasable latch engages a contoured slot in the housing for providing positively defined valve operating positions, such that the mechanical connection is completed prior to and separate from the flow connection. In another embodiment, the latch is provided by a pair of beads each of which is seated within one of a pair of apertures formed on opposite sides of the ball valve walls. Each latching bead is retained against a notched fastener on a respective side of the ball valve. A movable locking sleeve disposed within the ball valve blocks the latching beads from inward movement in the apertures, thus preventing ball valve rotation. Upon depression of the male coupling half in the locking sleeve, the blockage is removed and the valve may be rotated, releasing the interlocking pins and allowing removal of the male coupling half. The novel design offers increased safety and simplicity of operation.
REFERENCES:
patent: 2514717 (1950-07-01), Power
patent: 2749146 (1956-06-01), Gumbert et al.
patent: 3383122 (1968-05-01), Richardson
patent: 4397445 (1983-08-01), Burquier
Chambers A. Michael
Langer Edward
Sagiv Registered Partnership
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