Fluid delivery system
DC
First Claim
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1. A fluid delivery valve assembly for delivering a fluid from a fluid bag to an animal caging system for housing an animal, the valve assembly comprising:
- a hollow member defining a fluid channel, the member having a proximal end for delivery of water to a cage and a distal end adapted to cooperate with a fluid bag to deliver water from the bag through the fluid channel to the caging system;
a stem member disposed in part within said fluid channel, said stem member having a top surface at a distal end thereof and a proximal end at or about the proximal end of the hollow member;
a spring element disposed within said fluid channel;
wherein a portion of said spring element interacts with said stem member to apply a biasing force to said stem member; and
a sealing member disposed in said fluid channel in abutment with the top surface of said stem member, for preventing fluid from flowing through the fluid channel, said sealing member being designed and dimensioned to facilitate the flow of fluid in the fluid channel in response to displacement of the proximal end of the stem member by an animal.
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Abstract
A fluid delivery system for delivering a fluid from a fluid bag to an animal caging system for housing an animal may comprise a fluid delivery valve assembly, wherein the fluid delivery valve assembly is adapted to be coupled to the fluid bag to facilitate the providing of the fluid to the caging system. The fluid delivery valve assembly may further comprise an upper member having a piercing member and a connecting member, the upper member having a fluid channel defined therethrough, a base having a flange member and a base fluid channel defined therethrough, wherein the base is designed to be matingly coupled to the upper member. The fluid delivery valve assembly may further comprise a spring element disposed within the base fluid channel and a stem member disposed in part within the base fluid channel, wherein a portion of the spring element abuts the stem member to apply a biasing force.
76 Citations
22 Claims
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1. A fluid delivery valve assembly for delivering a fluid from a fluid bag to an animal caging system for housing an animal, the valve assembly comprising:
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a hollow member defining a fluid channel, the member having a proximal end for delivery of water to a cage and a distal end adapted to cooperate with a fluid bag to deliver water from the bag through the fluid channel to the caging system;
a stem member disposed in part within said fluid channel, said stem member having a top surface at a distal end thereof and a proximal end at or about the proximal end of the hollow member;
a spring element disposed within said fluid channel;
wherein a portion of said spring element interacts with said stem member to apply a biasing force to said stem member; and
a sealing member disposed in said fluid channel in abutment with the top surface of said stem member, for preventing fluid from flowing through the fluid channel, said sealing member being designed and dimensioned to facilitate the flow of fluid in the fluid channel in response to displacement of the proximal end of the stem member by an animal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A fluid delivery system for delivering a fluid from a fluid bag to an animal caging system for housing an animal, the system comprising:
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a fluid bag; and
a fluid deliver valve assembly comprising;
a hollow member defining a fluid channel, the member having a proximal end for delivery of water to a cage and a distal end adapted to cooperate with a fluid bag to deliver water from the bag through the fluid channel to the caging system;
a stem member disposed in part within said fluid channel, said stem member having a top surface at a distal end thereof and a proximal end at or about the proximal end of the hollow member;
a spring element disposed within said fluid channel;
wherein a portion of said spring element interacts with said stem member to apply a biasing force to said stem member; and
a sealing member disposed in said fluid channel in abutment with the top surface of said stem member, for preventing fluid from flowing through the fluid channel, said sealing member being designed and dimensioned to facilitate the flow of fluid in the fluid channel in response to displacement of the nroximal end of the stem member by an animal. - View Dependent Claims (18, 19, 20, 21)
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22. A fluid delivery system for delivering a fluid from a fluid bag to an animal caging system for housing an animal, said fluid delivery system comprising:
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a fluid delivery valve assembly, comprising;
a body having a piercing member and a connecting member, said body having a fluid channel defined therethrough, a flange member and a fluid channel defined therethrough;
a spring element disposed within said fluid channel;
a stem member disposed in part within said fluid channel, said stem member having an actuation portion extending through said spring element, said stem member having a top portion having a lower surface;
wherein a portion of said spring element abuts said lower surface to apply a biasing force to said stem member; and
a sealing member disposed in said fluid channel, said sealing member having a flow aperture and a sealing member bottom surface, said sealing member being designed and dimensioned to facilitate sealing of said flow aperture when said sealing member bottom surface abuts a top surface of said stem member;
wherein said fluid delivery valve assembly is adapted to be coupled to the fluid bag to facilitate the providing of the fluid to the caging system; and
wherein a portion of said spring element abuts said lower surface to apply a biasing force to said stem member.
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Specification
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Litigation Data
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Current AssigneeHydropac LLC
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Original AssigneeLab Products, Inc.
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InventorsGabriel, George S., Campbell, Neil E., Park, Chinsoo
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Primary Examiner(s)Luu, Teri P.
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Application NumberUS10/274,619Publication NumberTime in Patent Office1,058 DaysField of Search119/72.5, 251/298, 251/339, 222/80, 222/81, 222/83, 222/90US Class Current119/72.5CPC Class CodesA01K 1/031 Cages for laboratory animal...A01K 39/0213 Nipple drinkersA01K 7/02 Automatic devices ; Medicat...A01K 7/06 actuated by the animal for ...
