Hydraulic swivel fitting for a dispensing apparatus
First Claim
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1. An apparatus for conveying a liquid, comprising:
- a housing including a fluid cavity and a socket assembly positioned in said fluid cavity;
a ball member engaged for movement within said socket assembly, said ball member including a bore; and
a stem received in said bore with a liquid-tight engagement with said ball member and including a liquid passageway coupled in fluid communication with said fluid cavity, said stem being axially movable along said bore for transferring an axial force directed along said stem to said housing.
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Abstract
A hydraulic swivel fitting for establishing a fluid connection with a liquid dispenser. The swivel fitting includes a fluid cavity housing a socket assembly, a ball member that rotates and tilts within the socket assembly, and a stem that is received within a bore in the ball member with a liquid-tight seal. The stem is movable within the bore so that axial forces applied to a supply conduit coupled with the stem are not transferred to the ball member. Instead, such axial forces are diverted from the stem to the housing of the swivel member and, subsequently, transferred from the housing to the liquid dispenser.
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Citations
16 Claims
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1. An apparatus for conveying a liquid, comprising:
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a housing including a fluid cavity and a socket assembly positioned in said fluid cavity;
a ball member engaged for movement within said socket assembly, said ball member including a bore; and
a stem received in said bore with a liquid-tight engagement with said ball member and including a liquid passageway coupled in fluid communication with said fluid cavity, said stem being axially movable along said bore for transferring an axial force directed along said stem to said housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of transferring a liquid to an internal fluid pathway of a dispenser, comprising:
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mechanically coupling a housing of a hydraulic swivel fitting with the dispenser;
hydraulically coupling a liquid passageway in a stem of the swivel fitting with a supply conduit to receive a flow of the liquid;
conveying the liquid from the liquid passageway to the internal fluid pathway of the dispenser;
rotating a ball member of the swivel fitting relative to a socket assembly carried by the swivel fitting to adjust a position of the dispenser; and
transferring an axial force applied by the supply conduit to the stem of the swivel fitting from the stem to the housing and subsequently from the housing to the dispenser. - View Dependent Claims (14, 15, 16)
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Specification