Dispenser having a pivoting actuator assembly
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B67D-007/80
F16K-011/052
F16K-031/02
출원번호
UP-0907514
(2005-04-04)
등록번호
US-7694855
(2010-05-20)
발명자
/ 주소
Chastine, Christopher R
Riney, John M
Saidman, Laurence B
출원인 / 주소
Nordson Corporation
대리인 / 주소
Wood, Herron & Evans, L.L.P.
인용정보
피인용 횟수 :
12인용 특허 :
6
초록▼
A dispenser includes an actuating section having a first moveable member and a hydraulic section coupled with the actuating section and having a second moveable member. The hydraulic section is adapted to dispense a liquid from an outlet therein and the actuating section is adapted to control dispen
A dispenser includes an actuating section having a first moveable member and a hydraulic section coupled with the actuating section and having a second moveable member. The hydraulic section is adapted to dispense a liquid from an outlet therein and the actuating section is adapted to control dispensing of the liquid. An actuator assembly operatively couples the first moveable member with the second moveable such that the first moveable member is operative to move the second moveable member between open and closed positions for respectively starting and stopping flow of liquid from the outlet. The actuator assembly may include a pivoting lever arm having a first end operatively coupled with the first moveable member, a second end operatively coupled with the second moveable member and defining a fixed pivot point therebetween.
대표청구항▼
What is claimed is: 1. A dispenser, comprising: an actuating section having a first moveable member; a hydraulic section coupled with said actuating section and having a second moveable member, said hydraulic section adapted to dispense a liquid from an outlet and said actuating section adapted to
What is claimed is: 1. A dispenser, comprising: an actuating section having a first moveable member; a hydraulic section coupled with said actuating section and having a second moveable member, said hydraulic section adapted to dispense a liquid from an outlet and said actuating section adapted to control dispensing of the liquid; a flexible, non-diaphragm seal positioned between said hydraulic section and said actuating section and adapted to prevent the liquid from leaking into said actuating section; a pivoting lever arm having a first end operatively coupled with said first moveable member in said actuating section, said pivoting lever arm extending from said first end through said seal and into said hydraulic section, and further including a second end operatively coupled with said second moveable member in said hydraulic section, wherein said first moveable member is operative to move said second moveable member between open and closed positions for respectively starting and stopping flow of liquid from said outlet; and a bushing support coupled with said pivoting lever arm and adapted to support said seal, said bushing support positioned radially inward of a periphery of said seal. 2. The dispenser of claim 1, wherein said hydraulic section is coupled to said actuating section in a side-by-side configuration. 3. The dispenser of claim 1, wherein movement of said first moveable member in a first direction moves said second moveable member toward the open position and movement of said first moveable member in a second direction moves said second moveable member toward the closed position. 4. The dispenser of claim 1, wherein said hydraulic section includes a biasing member operative to bias said second moveable member toward the closed position. 5. The dispenser of claim 1, wherein said actuating section comprises a pneumatic section wherein said first moveable member is a piston adapted to move in response to pressurized fluid. 6. The dispenser of claim 5, further comprising: a solenoid adapted to deliver pressurized fluid to said pneumatic section. 7. The dispenser of claim 1, wherein said actuating section comprises an electrical section wherein said first moveable member is an armature adapted to move in response to an electrical signal. 8. The dispenser of claim 1, wherein said pivoting lever arm includes a fixed pivot point. 9. The dispenser of claim 1, wherein said dispenser further comprises: a pin coupled with said pivoting lever arm and adapted to define a fixed pivot point around which said pivoting lever arm pivots. 10. The dispenser of claim 1, wherein said seal is unrestrained along a periphery of said seal. 11. A dispenser, comprising: an actuating section having a first moveable member; a hydraulic section coupled with said actuating section and having a second moveable member, said hydraulic section adapted to dispense a liquid from an outlet and said actuating section adapted to control dispensing of the liquid; a flexible seal located between said hydraulic section and said actuating section and adapted to withstand hydraulic operating pressures from approximately 80 psi to at least 1,500 psi; a pivoting lever arm having a first end operatively coupled with said first moveable member in said actuating section, said pivoting lever arm extending from said first end through said seal and into said hydraulic section, and further including a second end operatively coupled with said second moveable member in said hydraulic section, wherein said first moveable member is operative to move said second moveable member between open and closed positions for respectively starting and stopping flow of liquid from said outlet; and a bushing support coupled with said pivoting lever arm and adapted to support and seal, said bushing support positioned radially inward of a periphery of said seal. 12. The dispenser of claim 11, wherein said actuating section comprises a pneumatic section wherein said first moveable member is a piston adapted to move in response to pressurized fluid. 13. The dispenser of claim 11, wherein said actuating section comprises an electrical section wherein said first moveable member is an armature adapted to move in response to an electrical signal. 14. The dispenser of claim 11, wherein said pivoting lever arm includes a fixed pivot point. 15. The dispenser of claim 11, wherein said pivoting lever arm includes a pin adapted to define a fixed pivot point around which said pivoting lever arm pivots. 16. The dispenser of claim 11, wherein said seal is adapted to withstand operating pressures from approximately 100 psi to approximately 1,500 psi. 17. The dispenser of claim 11, wherein said seal is adapted to withstand operating pressures from approximately 200 psi to approximately 1,500 psi. 18. The dispenser of claim 11, wherein said seal is adapted to withstand operating pressures from approximately 300 psi to approximately 900 psi. 19. The dispenser of claim 11, wherein said seal is adapted to withstand operating pressures from approximately 400 psi to approximately 800 psi. 20. An actuator assembly for a dispenser adapted to dispense a liquid and having a hydraulic section coupled with an actuating section, comprising: a pivoting lever arm having a first end adapted to operatively couple with the actuation section and a second end adapted to operatively couple with the hydraulic section; a flexible seal coupled with said pivoting arm between said first and second ends and forming a fluid tight seal around said pivoting lever arm, said seal adapted to be positioned between said hydraulic section and said actuating section to prevent the liquid from leaking into the actuating section; a pivot member coupled with said pivoting lever arm and adapted to define a fixed pivot point around which said pivoting lever arm pivots; and a bushing support coupled with said pivoting lever arm between said first and second ends and adapted to support said seal, said bushing support positioned radially inward of a periphery of said seal. 21. The actuator assembly of claim 20, wherein said pivot member is a pin. 22. The actuation assembly of claim 20, wherein said seal is integrally formed with said pivoting lever arm. 23. The actuation assembly of claim 20, wherein said seal encompasses said second end of said pivoting lever arm. 24. The actuation assembly of claim 20, wherein said bushing support includes a bore having a first end with a first diameter and a second end with a second diameter larger than said first diameter, said bore adapted to allow pivotal movement of said pivoting lever arm. 25. The actuation assembly of claim 24, wherein said pivoting lever arm has an arm diameter, said first diameter substantially equal to said arm diameter. 26. A dispenser, comprising: an actuating section having a first moveable member; a hydraulic section coupled in a side-by-side configuration with said actuating section, said hydraulic section having a second moveable member and an outlet for discharging the pressurized liquid; and an actuator assembly operatively coupling said first moveable member with said second moveable member, said actuator assembly comprising: a pivoting lever arm having a first end coupled with said first moveable member and a second end coupled with said second moveable member; a flexible seal coupled with said pivoting lever arm between said first and second ends and forming a fluid tight seal around said pivoting lever arm, said seal adapted to be positioned between said hydraulic section and said actuating section to prevent the liquid from leaking into the actuating section; a pivot member coupled with said pivoting lever arm and adapted to define a fixed pivot point around which said pivoting lever arm pivots; and a bushing support coupled with said pivoting lever arm between said first and second ends and adapted to support said seal, said bushing support positioned radially inward of a periphery of said seal.
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