An O-ring retainer is disclosed that is integral with a valve stem of a valve. The valve is intended to move in a valve chamber, which valve chamber has a fluid inlet and a fluid outlet. When manually actuated, the valve moves between a first position, where it is seated against walls of the valve c
An O-ring retainer is disclosed that is integral with a valve stem of a valve. The valve is intended to move in a valve chamber, which valve chamber has a fluid inlet and a fluid outlet. When manually actuated, the valve moves between a first position, where it is seated against walls of the valve chamber and prevents flow through the chamber, and a second unseated position where it allows flow of the fluid through the chamber between the inlet and the outlet. An O-ring, used in conjunction with the valve and the valve chamber, is maintained in place by an outward projection from the valve stem, which projection is located just below the normally seated O-ring. Thus, if the O-ring becomes unseated, the projection, upon movement of the valve towards the seated position, bumps the O-ring back into its normal position.
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1. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluid, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity o
1. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluid, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of cylindrical fluid chambers, the fluid chambers having an inlet and an outlet port, cylindrical valve stem chamber walls, including valve stem chamber side walls and end walls, stem guide walls, valve body walls, and valve seats, the valve seats located between the inlet and outlet fluid ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle and to longitudinally move between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports;an O-ring adapted to engage the fluid chamber walls and the valve stem to substantially prevent the flow of fluid therepast regardless of the position of the valve members; and wherein the valve stem includes an O-ring retainer to move longitudinally with the valve stem and valve body; andwherein the O-ring retainer leaves a gap between itself and the O-ring when the valve member is in the first position. 2. The bar gun assembly of claim 1, wherein the valve stem has a longitudinal axis and the O-ring retainer projects laterally outward therefrom and wherein O-ring retainer is located between the removed end of the valve stem and the valve body and such that the O-ring is between the O-ring retainer and the valve stem chamber end walls. 3. The bar gun assembly at claim 1, wherein the O-ring retainer is located between a closer of the inlet or outlet port when the valve member is in the first position and the removed end of the valve stem and such that the O-ring is between the O-ring retainer and the valve stem chamber end walls. 4. The bar gun assembly at claim 1, wherein the valve stem comprises an elongated cylindrical member and wherein the O-ring retainer is a disk-shaped projection and such that the O-ring is between the O-ring retainer and the valve stem chamber end walls. 5. The bar gun assembly of claim 1, wherein the O-ring retainer includes a top surface, bottom surface, and perimeter and such that the O-ring is between the O-ring retainer and the valve stem chamber end walls. 6. The bar gun assembly of claim 1, wherein the valve stem comprises a longitudinal cylindrical member and wherein the O-ring retainer includes multiple fingers and such that the O-ring is between the O-ring retainer and the valve stem chamber end walls. 7. The bar gun assembly of claim 1, wherein the O-ring retainer has outer perimeter walls, which walls visibly terminate before reaching the walls of the fluid chamber and such that the O-ring is between the O-ring retainer and the valve stem chamber end walls. 8. The bar gun assembly of claim 1, wherein the O-ring retainer is located between the removed end of the valve stem and the valve body, wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position, and wherein the O-ring retainer has outer perimeter walls, which walls terminate before reaching the walls of the fluid chamber. 9. The bar gun assembly of claim 8, wherein the O-ring retainer leaves a gap between itself and the O-ring when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 10. The bar gun assembly of claim 8, wherein the valve stem comprises an elongated cylindrical member and wherein the O-ring retainer is a disk-shaped projection. 11. The bar gun assembly of claim 10, wherein the O-ring retainer leaves a gap between itself and the O-ring when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 12. The bar gun assembly of claim 8, wherein the O-ring retainer includes multiple fingers. 13. The bar gun assembly of claim 12, wherein the O-ring retainer leaves a gap when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 14. The bar gun assembly of claim 1, wherein the O-ring retainer is located between the removed end of the valve stem and the valve body, wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position, wherein the O-ring retainer has perimeter walls, which walls terminate before reaching the walls of the fluid chamber; and wherein the O-ring retainer leaves a gap when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 15. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluids, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of generally cylindrical fluid chambers, each fluid chamber having an inlet and an outlet port, cylindrical valve stem chamber side walls and end walls, stem guide walls, valve body walls, and a valve seat, the valve seat located between the inlet and the outlet ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle to move between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports;an O-ring having outer walls, the O-ring adapted to engage in a normal position, the valve stem chamber side walls and the valve stem chamber end walls, the O-ring to substantially prevent the flow of fluid therepast regardless of the position of the valve member; wherein the valve stem includes an O-ring retainer to move longitudinally with the valve stem and body;wherein the O-ring retainer is located between the removed end of the valve stem and the valve body;wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position;wherein the O-ring retainer is a substantially disk-shaped projection integral with the valve stem, including a top surface, bottom surface, and perimeter; andwherein the O-ring retainer leaves a small gap between the top surface thereofand the O-ring when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 16. The bar gun assembly of claim 15, wherein the O-ring is made of a suitable pliable material other than one containing silicon. 17. The bar gun assembly of claim 15, wherein the gap is between about 20 and 30 mil. 18. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluids, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of generally cylindrical fluid chambers, each fluid chamber having an inlet and an outlet port, cylindrical valve stem chamber side walls and end walls, stem guide walls, valve body walls, and a valve seat, the valve seat located between the inlet and the outlet ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle and moveable between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports;an O-ring having outer walls, the O-ring adapted to engage in a normal position, the valve stem chamber side walls and the valve stem chamber end walls, the O-ring to prevent the flow of fluid therepast regardless of the position of the valve member; wherein the valve stem includes an O-ring retainer moveable longitudinally with the valve stem and body;wherein the O-ring retainer is located between a removed end of the valve stem and the valve body when the valve member is in the first position;wherein the O-ring retainer is located between the closer of the inlet or outlet port and the removed end of the valve stem;wherein the O-ring retainer has finger projections engaging the valve stem; andwherein the O-ring retainer leaves a small gap between itself and the O-ringwhen the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 19. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluid, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of cylindrical fluid chambers, the fluid chambers having an inlet and an outlet port, cylindrical valve stem chamber walls, including valve stem chamber side walls and end walls, stem guide walls, valve body walls, and valve seats, the valve seats located between the inlet and outlet fluid ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle and to longitudinally move between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports; andan O-ring adapted to engage the fluid chamber walls and the valve stem to substantially prevent the flow of fluid therepast regardless of the position of the valve members; wherein the valve stem includes an O-ring retainer to move longitudinally with the valve stem and valve body;wherein the O-ring retainer is located between the removed end of the valve stem and the valve body, wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position, and wherein the O-ring retainer has outer perimeter walls, which walls terminate before reaching the walls of the fluid chamber; andwherein the O-ring retainer leaves a gap between itself and the O-ring when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 20. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluid, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of cylindrical fluid chambers, the fluid chambers having an inlet and an outlet port, cylindrical valve stem chamber walls, including valve stem chamber side walls and end walls, stem guide walls, valve body walls, and valve seats, the valve seats located between the inlet and outlet fluid ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle and to longitudinally move between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports;an O-ring adapted to engage the fluid chamber walls and the valve stem to substantially prevent the flow of fluid therepast regardless of the position of the valve members; and wherein the valve stem includes an O-ring retainer to move longitudinally with the valve stem and valve body;wherein the O-ring retainer is located between the removed end of the valve stem and the valve body, wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position, and wherein the O-ring retainer has outer perimeter walls, which walls terminate before reaching the walls of the fluid chamber;wherein the valve stem comprises an elongated cylindrical member and wherein the O-ring retainer is a disk-shaped projection; andwherein the O-ring retainer leaves a gap between itself and the O-ring when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 21. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluid, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of cylindrical fluid chambers, the fluid chambers having an inlet and an outlet port, cylindrical valve stem chamber walls, including valve stem chamber side walls and end walls, stem guide walls, valve body walls, and valve seats, the valve seats located between the inlet and outlet fluid ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle and to longitudinally move between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports;an O-ring adapted to engage the fluid chamber walls and the valve stem to substantially prevent the flow of fluid therepast regardless of the position of the valve members; and wherein the valve stem includes an O-ring retainer to move longitudinally with the valve stem and valve body;wherein the O-ring retainer is located between the removed end of the valve stem and the valve body, wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position, and wherein the O-ring retainer has outer perimeter walls, which walls terminate before reaching the walls of the fluid chamber;wherein the O-ring retainer includes multiple fingers; andwherein the O-ring retainer leaves a gap when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position. 22. A bar gun assembly for receiving a multiplicity of fluid carrying tubes carrying pressurized fluid, the bar gun assembly comprising: a handle adapted to receive a multiplicity of fluids in a multiplicity of inlet ports, the handle including a multiplicity of fluid channels having a multiplicity of cylindrical fluid chambers, the fluid chambers having an inlet and an outlet port, cylindrical valve stem chamber walls, including valve stem chamber side walls and end walls, stem guide walls, valve body walls, and valve seats, the valve seats located between the inlet and outlet fluid ports;a multiplicity of valve members each having a valve stem and a valve body, the valve stem having a removed end, the valve members configured to move as a unit and to engage the fluid chambers of the handle and to longitudinally move between a first position wherein the valve body is urged against the valve seat and prevents fluid flow between the ports and a second position wherein the valve body is longitudinally spaced apart from the valve seat and permits flow between the ports;an O-ring adapted to engage the fluid chamber walls and the valve stem to substantially prevent the flow of fluid therepast regardless of the position of the valve members; and wherein the valve stem includes an O-ring retainer to move longitudinally with the valve stem and valve body;wherein the O-ring retainer is located between the removed end of the valve stem and the valve body, wherein the O-ring retainer is located between a closer of the inlet or outlet port and the removed end of the valve stem when the valve member is in the first position, wherein the O-ring retainer has perimeter walls, which walls terminate before reaching the walls of the fluid chamber; and wherein the O-ring retainer leaves a gap when the O-ring is seated adjacent the valve stem chamber end walls and the valve member is in the first position.
Groover Phillip B. (Woodstock GA) Charles Kirk W. (Austell GA) Gillespie Lionel D. (Atlanta GA) Durham Samuel (San Antonio TX) Wandrick Lisa C. (Atlanta GA), Beverage dispenser.
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Nakayama Shunichi (Takasaki JPX) Takayanagi Yasushi (Akabori JPX), Mixing apparatus in which mixing is effectively carried out about various beverages supplied from beverage paths into a.
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