[특허]Safety can

Justrite Manufacturing Company

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특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Safety can

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B67D-003/00
미국특허분류(USC)	222/472; 222/529; 222/556; 222/559; 141/302
출원번호	US-0265971 (2002-10-07)
발명자 / 주소	Mack, Jr., Donald F.
출원인 / 주소	Justrite Manufacturing Company
대리인 / 주소	Leydig, Voit & Mayer, Ltd.
인용정보	피인용 횟수 : 4 인용 특허 : 57

초록
▼

A safety can for storing flammable liquid is disclosed. The safety can includes a receptacle and a valve mechanism. The valve mechanism can include a body assembly, a fill cover assembly, a pour valve assembly, a trigger assembly, and a handle. The body assembly of the valve mechanism can be mounted to the receptacle. The body assembly can include a fill spout and a separate pour spout. The fill cover assembly can be pivotally mounted to the body assembly about a fill cover axis. The pour valve assembly can be movably mounted to the body assembly and be disposed therein. The safety can includes a trigger assembly for convenient multi-functional operation of the safety can. The trigger can be positioned to allow the can to be filled, to pour from the can, and to place the container in a safety position.

대표
청구항
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1. A safety can for storing liquid comprising:a receptacle; anda valve mechanism, the valve mechanism mounted to the receptacle, the valve mechanism including:a body having a fill spout and a pour spout, the spouts in communication with the receptacle,a fill cover movably mounted to the body to selectively move between a closed position wherein the fill spout is closed and an open position wherein the fill spout is open for filling the receptacle,a pour valve movably mounted to the body to selectively move between a closed position wherein the pour spout is closed and an open position wherein the pour spout is open for pouring from the receptacle, anda trigger movably mounted to the body, the trigger including a trigger portion, a connecting link, and a connecting rod, the trigger portion movably mounted to the body, the connecting link movably mounted to the fill cover, the connecting link including a trigger channel having a protrusion, the connecting rod extending through the trigger portion and the trigger channel to movably mount the trigger portion to the connecting link, the connecting link having a normal position wherein the connecting rod is disengaged from the protrusion, the trigger operable to move the fill cover to the open position by moving the connecting link away from the receptacle to engage the connecting rod with the protrusion and by moving the trigger portion in a first direction, the trigger operable to move the pour valve to the open position by moving the trigger portion in a second direction, the first direction being opposite to the second direction. 2. The safety can according to claim 1 wherein the receptacle includes a base, a side wall portion, and a dome, the dome and the side wall portion joined by a first seam, the side wall portion and the base joined by a second seam. 3. The safety can according to claim 1 wherein the receptacle includes a flanged portion, the body includes a mounting plate, the mounting plate being secured to the receptacle by the flanged portion. 4. The safety can according to claim 3 wherein the body includes a body portion and an O-ring, the body portion having a boss with an opening, the mounting plate having an opening that is aligned with the opening of the body portion, the boss of the body portion extending into the opening of the mounting plate, the O-ring disposed around the boss of the body portion to provide a seal between the body portion and the receptacle. 5. The safety can according to claim 1 wherein the body includes a main passage communicating with the receptacle, the fill spout, and the pour spout. 6. The safety can according to claim 5 wherein the body includes a flame arrestor disposed in the main passage. 7. The safety can according to claim 1 wherein the body includes a vent passage having a vent opening communicating with the receptacle and another opening communicating with the outside of the valve mechanism. 8. The safety can according to claim 7 wherein the pour valve is configured to open the vent passage when the pour valve is in the open position and to close the vent passage when the pour valve is in the closed position. 9. The safety can according to claim 7 wherein the body includes a vent flame arrestor disposed in the vent passage. 10. The safety can according to claim 1 wherein the body includes a plurality of stiffening ribs. 11. The safety can according to claim 1 wherein the body includes a body portion comprising die cast zinc. 12. The safety can according to claim 1 wherein the valve mechanism further includes a handle mounted to the body. 13. The safety can according to claim 1 wherein the fill cover includes a spring to bias the fill cover to the closed position. 14. The safety can according to claim 1 wherein the pour valve includes a seat mounted to the body such that it is aligned with the pour spout and a pivotally movable gasket, the gasket sealingly engaged with the seat to close the pour spout when the pour valve is in t he closed position and the gasket detached from the seat to open the pour spout when the pour valve is in the open position. 15. The safety can according to claim 1 wherein the pour valve includes a spring to bias the pour valve to the closed position. 16. The safety can according to claim 1 wherein the body includes a pour valve passage for receiving the pour valve. 17. The safety can according to claim 16 wherein the body includes a vent passage having a vent opening communicating with the receptacle, the pour valve passage opening to the outside of the valve mechanism, the vent passage communicating with the pour valve passage, the pour valve disposed in the pour valve passage, the pour valve operable to close the valve passage when the pour valve is in the closed position and to open the valve passage when the pour valve is in the open position. 18. The safety can according to claim 17 wherein the pour valve includes a slide shaft disposed in the valve passage and first and second O-rings disposed on the slide shaft, the O-rings in sealing engagement with the valve passage and disposed on either side of the vent passage when the pour valve is in the closed passage to close the vent passage, a portion of the slide shaft which contains at least one of the O-rings disposed outside of the body when the pour valve is in the open position to open the vent passage. 19. The safety can according to claim 1 wherein the trigger includes a spring to bias the trigger portion to a normal position wherein both the fill spout and the pour spout are closed. 20. The safety can according to claim 1 wherein the trigger channel of the connecting link has a safety portion, the safety portion configured to allow the trigger portion to move in the first direction with the connecting rod disposed in the safety portion without moving the fill cover to the open position. 21. The safety can according to claim 1 wherein the trigger portion has a pour valve end that is configured to engage a portion of the pour valve to move the pour valve between the open position and the closed position upon respective movement of the trigger between the second direction and the first direction. 22. The safety can according to claim 21 wherein the pour valve has a longitudinal axis, and the pour valve end of the trigger portion acts upon the portion of the pour valve along a line of action that is substantially parallel to the longitudinal axis of the pour valve. 23. The safety can according to claim 1 wherein the trigger portion is pivotally mounted to the body about a trigger axis, the trigger portion includes a connecting portion through which the connecting rod extends, the trigger axis disposed between the connecting portion and the pour valve end. 24. The safety can according to claim 1 further comprising:a hose attachment mounted to the body of the valve mechanism, the hose attachment communicating with the pour spout. 25. The safety can according to claim 1 further comprising:a cage mounted to the receptacle, the cage surrounding the valve mechanism. 26. The safety can according to claim 1 further comprising:a clamp assembly pivotally mounted to the valve mechanism, the clamp assembly operable to clamp the fill cover in the closed position such that moving the trigger in the first direction does not open the fill cover. 27. The safety can according to claim 26 wherein the clamp assembly includes a thumbscrew, the thumbscrew operable to retentively engage the fill cover when the clamp assembly is in a first position, the thumbscrew operable to retentively engage the body when the clamp is assembly is in a second position, the fill cover moveable between the open and closed positions when the clamp assembly is in the second position. 28. The safety can according to claim 26 wherein the clamp assembly includes a fusible link. 29. A safety can for storing liquid comprising: a receptacle and a valve mechanism mounted thereto, the valve mechanism including a fill s pout selectively sealable by a fill cover, a separate pour spout selectively sealable by a pour valve, a trigger assembly for convenient multi-functional operation of the safety can whereby the trigger can be positioned to allow the can to be filled through the fill spout, to pour from the can from the pour spout, and to place the container in a normal position wherein both the fill spout and the pour spout are closed, the trigger assembly including a trigger, a connecting link, and a connecting rod to movably mount the trigger to the connecting link, the trigger assembly operable to open the fill cover upon engaging the connecting rod and the connecting link and moving the trigger toward the receptacle, the trigger operable to open the pour valve by moving the trigger away from the receptacle. 30. The safety can according to claim 29 wherein the trigger assembly can be moved to a safety position in the event that the trigger is moved toward the receptacle without first moving the connecting link away from the receptacle. 31. The safety can according to claim 29 further comprising: an integral automatic venting system to facilitate pouring liquid from the can, the venting system defining a vent path when the pour valve is opened, and the venting system closing the vent path when the pour valve is in a closed position. 32. A valve mechanism for a safety container for storing flammable liquid, the valve mechanism selectively operable to allow for the filling of the safety container with a liquid and to allow for the pouring of the liquid from the safety container, the valve mechanism comprising:a body having a fill spout and a pour spout, the spouts in communication with the receptacle,a fill cover movably mounted to the body to selectively move between a closed position wherein the fill spout is closed and an open position wherein the fill spout is open for filling the receptacle,a pour valve movably mounted to the body to selectively move between a closed position wherein the pour spout is closed and an open position wherein the pour spout is open for pouring from the receptacle, anda trigger movably mounted to the body, the trigger including a trigger portion, a connecting link, and a connecting rod, the connecting link including a trigger channel having a protrusion, the connecting rod extending through the trigger portion and the trigger channel to movably mount the trigger portion to the connecting link, the connecting link movably mounted to the fill cover, the trigger portion movably mounted to the body, the trigger operable to move the fill cover to the open position by moving the connecting link away from the receptacle to engage the connecting rod and the protrusion and by moving the trigger portion in a first direction, the trigger operable to move the pour valve to the open position by moving the trigger portion in a second direction, the first direction being opposite to the second direction.

이 특허에 인용된 특허 (57)

이 특허를 인용한 특허 피인용횟수: 4

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특허 상세정보

Safety can

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이 특허에 인용된 특허 (57)

이 특허를 인용한 특허 피인용횟수: 4

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Safety can

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이 특허에 인용된 특허 (57)

이 특허를 인용한 특허 피인용횟수: 4

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

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