Remotely operable cap assembly for a tanker trailer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B60P-003/22
B65D-043/16
B65D-043/26
출원번호
US-0167027
(2014-01-29)
등록번호
US-9150140
(2015-10-06)
발명자
/ 주소
Girard, Timothy P.
Fernandez, Michael
Harm, Glen
출원인 / 주소
GIRARD EQUIPMENT, INC.
대리인 / 주소
Wolter, Esq., Robert L.
인용정보
피인용 횟수 :
0인용 특허 :
27
초록▼
A cap assembly (40) for attachment to an external fixture (44) on a tank (52) of a tanker trailer (50), including: a collar (42) configured to secure the cap assembly to the tank external fixture and defining a collar opening (46) concentrically aligned with an opening (54) of the fixture; a lid (60
A cap assembly (40) for attachment to an external fixture (44) on a tank (52) of a tanker trailer (50), including: a collar (42) configured to secure the cap assembly to the tank external fixture and defining a collar opening (46) concentrically aligned with an opening (54) of the fixture; a lid (60) that is moveable between a closed position where the lid covers the collar opening and is in sealing engagement with the collar, and an open position where the lid is vertically raised from the collar and pivoted laterally away from the collar opening; and an actuator assembly (72) that is configured to move the lid from the closed position to the open position during a single stroke of the actuator assembly, and which is remotely operable from a location off of the tanker trailer.
대표청구항▼
1. A cap assembly for attachment to an external fixture on a tank of a tanker trailer, comprising: a collar configured to secure the cap assembly to the tank external fixture and defining a collar opening concentrically aligned with an opening of the fixture;a lid that is moveable between a closed p
1. A cap assembly for attachment to an external fixture on a tank of a tanker trailer, comprising: a collar configured to secure the cap assembly to the tank external fixture and defining a collar opening concentrically aligned with an opening of the fixture;a lid that is moveable between a closed position where the lid covers the collar opening and is in sealing engagement with the collar, and an open position where the lid is vertically raised from the collar and pivoted laterally away from the collar opening; andan actuator assembly comprising a biasing mechanism effective to bias the lid into the closed position, the actuator assembly configured to move the lid from the closed position to the open position during a single stroke of the actuator assembly, wherein during an opening stroke the actuator assembly is configured to initially vertically raise the lid from the closed position and then laterally pivot the lid away from the collar opening, wherein the pivot occurs about a vertical axis,wherein the actuator assembly is remotely operable via a remote control from a location off of the tanker trailer. 2. The cap assembly of claim 1, further comprising a sealing element disposed between the collar and the lid, and wherein the vertical rise is sufficient to permit the lateral pivot without interference between the lid and the sealing element. 3. The cap assembly of claim 1, wherein the actuator assembly is configured to receive hydraulic fluid under pressure and effective to overcome the bias and move the lid into the open position. 4. The cap assembly of claim 3, wherein the actuator assembly comprises a cylinder in which the piston and the biasing mechanism are disposed, and wherein the biasing mechanism comprises a spring disposed between a bottom end of the piston and a spring-seat inside the cylinder and above the bottom end of the piston, and wherein the spring biases the piston toward a bottom end of the cylinder. 5. The cap assembly of claim 4, wherein the piston comprises a cavity at the bottom end of the piston, and wherein the actuator assembly is configured to receive the hydraulic fluid in the cavity. 6. The cap assembly of claim 1, wherein the actuator assembly further comprises a cam follower, wherein the piston comprises a cam feature configured to operatively interact with the cam follower during the single stroke, and wherein the operative interaction effects the lateral pivoting of the lid. 7. The cap assembly of claim 6, wherein the actuator assembly further comprises a cylinder in which the piston resides, and wherein the cam follower comprises a stud cam follower mounted on the cylinder. 8. The cap assembly of claim 6, wherein the cam feature comprises a cam groove disposed on an exterior of the piston. 9. The cap assembly of claim 8, wherein the cam groove comprises a diagonal portion oriented both circumferentially and axially and configured to effect the lateral pivoting. 10. The cap assembly of claim 1, wherein the actuator assembly is configured to receive pressurized hydraulic fluid to effect the single stroke. 11. A tanker trailer for transporting liquid materials, comprising: a tank comprising an external fixture;a hydraulic system operatively associated with the tank; anda cap assembly, comprising: a collar configured to secure the cap assembly to the tank external fixture and defining a collar opening aligned with an opening of the external fixture;a lid that is moveable between a closed position where the lid covers the collar opening and is in sealing engagement with the collar and an open position where the lid is vertically raised and pivoted laterally away from the collar opening; andan actuator assembly comprising a biasing mechanism and a piston the biasing mechanism and the piston disposed in a cylinder, wherein movement of the piston effects movement of the lid from the closed position to the open position, wherein during an opening stroke the actuator assembly is configured to initially vertically raise the lid from the closed position and then laterally pivot the lid away from the collar opening, wherein the pivot occurs about a vertical axis, wherein the biasing -mechanism biases the piston toward a bottom of the cylinder and when so biased the lid is biased in the closed position,wherein the hydraulic system is configured to permit operation of the actuator assembly from a location off of the tank via a remote control. 12. The tanker trailer of claim 11, the actuator assembly further comprising a cam follower secured to the cylinder and configured to operatively interact with a cam groove disposed diagonally on an exterior of the piston to effect the lateral pivot of the lid. 13. The tanker trailer of claim 11, wherein the biasing mechanism is disposed between a bottom end of the piston and a spring-seat inside the cylinder and above the bottom end of the piston. 14. The tanker trailer of claim 13, wherein the piston comprises a cavity at the bottom end of the piston configured to receive hydraulic fluid under pressure to overcome the bias and effect the movement of the piston. 15. The tanker trailer of claim 11, further comprising a discharge valve configured to discharge the liquid materials, and a hydraulic system configured to operate the discharge valve and the actuator assembly, wherein the cap assembly is configured to open at a predetermined hydraulic pressure that is less than a hydraulic pressure necessary to open the discharge valve. 16. The tanker trailer of claim 11, wherein the hydraulic system is dedicated to operating the cap assembly. 17. A cap assembly for attachment to an external fixture on a tank of a tanker trailer, comprising: a collar configured to secure the cap assembly to the tank external fixture and defining a collar opening concentrically aligned with an opening of the fixture;a lid that is moveable between a closed position where the lid covers the collar opening and is in sealing engagement with the collar and an open position where the lid is vertically raised and pivoted laterally away from the collar opening; andan actuator assembly comprising a biasing mechanism and a piston, the biasing mechanism and the piston disposed in a cylinder, wherein movement of the piston effects movement of the lid from the closed position to the open position during a single stroke of the piston, wherein the piston is biased toward a bottom of the cylinder and when so biased the lid is biased in the closed position, wherein during an opening stroke the actuator assembly is configured to initially vertically raise the lid from the closed position and then laterally pivot the lid away from the collar opening, wherein the pivot occurs about a vertical axis; andwherein the actuator assembly is configured to be remotely operable via a remote control from a location off of the tanker trailer. 18. The cap assembly of claim 17, further comprising a hydraulic system configured to effect the single stroke of the piston. 19. The cap assembly of claim 17, wherein the actuator assembly further comprises a cam follower secured to the cylinder, wherein the piston comprises a cam groove configured to operatively interact with the cam follower during the single stroke, and wherein the operative interaction effects the lateral pivoting of the lid. 20. A cap assembly for attachment to an external fixture on a tank of a tanker trailer, comprising: a collar configured to secure the cap assembly to the tank external fixture and defining a collar opening concentrically aligned with an opening of the fixture;a lid that is moveable between a closed position where the lid covers the collar opening and is in sealing engagement with the collar, and an open position where the lid is vertically raised from the collar and pivoted laterally away from the collar opening; andan actuator assembly that is configured to move the lid from the closed position to the open position during a single stroke of the actuator assembly and which is remotely operable via a remote control, the actuator assembly comprising a piston and a cam follower, wherein the piston comprises a cam groove disposed on an exterior of the piston and configured to operatively interact with the cam follower during the single stroke, and wherein the operative interaction effects the lateral pivoting of the lid. 21. The cap assembly of claim 20, wherein the cam groove comprises a diagonal portion oriented both circumferentially and axially and configured to effect the lateral pivoting. 22. A tanker trailer for transporting liquid materials, comprising: a tank comprising an external fixture;a hydraulic system operatively associated with the tank; anda cap assembly, comprising: a collar configured to secure the cap assembly to the tank external fixture and defining a collar opening aligned with an opening of the external fixture;a lid that is moveable between a closed position where the lid covers the collar opening and is in sealing engagement with the collar and an open position where the lid is vertically raised and pivoted laterally away from the collar opening; andan actuator assembly comprising a piston disposed in a cylinder, wherein movement of the piston effects movement of the lid from the closed position to the open position, wherein the piston is biased toward a bottom of the cylinder and when so biased the lid is biased in the closed position, the actuator assembly further comprising a cam follower secured to the cylinder and configured to operatively interact with a cam groove disposed diagonally on an exterior of the piston to effect the lateral pivot of the lid,wherein the hydraulic system is configured to permit operation of the actuator assembly from a location off of the tank. 23. The cap assembly of claim 1, wherein the lid is secured to the actuator assembly, wherein the actuator assembly is secured to the collar, and wherein the collar rests atop the tank external feature.
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