[특허]Quick connect-disconnect couplings

[미국특허] Quick connect-disconnect couplings 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16L-037/20
출원번호	US-0452762 (1989-12-19)
발명자 / 주소	Fahl Richard L. (Fairfield OH)
출원인 / 주소	Dover Corporation (New York NY 02)
인용정보	피인용 횟수 : 18 인용 특허 : 3

초록 ▼

A quick connect-disconnect coupling comprises a coupler joined to a standardized adapter to provide for fluid flow between first and second conduits. Locking mechanism comprises a four bar linkage which minimizes the manual effort required to connect and disconnect the coupler from the adapter. An over the center relation of the four bar linkage locks the coupler in coupled relation to the adapter to minimize inadvertent decoupling.

대표청구항 ▼

A quick connect-disconnect coupling comprising an adapter adapted to be mounted on a first fluid conduit and having a sealing surface at its outer end and an undercut outer surface spaced from and adjacent thereto, and a coupler adapted to be attached to a second fluid conduit and comprising a body member having a bore for telescopingly receiving the outer end portion of the adapter, and locking mechanism for joining said coupler and adapter, said locking mechanism comprising a four bar linkage including a manually operable lever, a link pivotally connected to the lever and to the body member, and a cam member having pivotal connections with the lever and the body member, said cam member having a projecting portion extending beyond and inwardly from its pivotal connection with the body member, said protruding cam being engageable with the undercut surface of the adapter when it is telescoped within the bore of the body member, said lever being displaceable between an open position and a closed position, said cam portion being disposed outside the outline of said bore in the open position of said lever, said cam portion swinging inwardly as said lever is displaced towards its closed position, said cam portion engaging the undercut surface of the adapter when the adapter is telescoped into said bore, the point of contact between said cam portion and said undercut portion closely approaching a plane normal to the axis of said bore and passing through the axis of the pivotal connection of the cam member with the body member, as the lever nears its closed position, said point of contact passing to the opposite side of said plane when the lever is fully displaced to its closed position, whereby, the movement vector of the cam portion, at its point of engagement with said undercut portion is essentially axial and there is minimal relative movement between the cam portion and the undercut portion.

이 특허에 인용된 특허 (3)

Pemberton Eugene B. (Fairfield OH) Fahl Richard L. (Cincinnati OH), Coupling apparatus.
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Minor Thomas H. (Reseda CA), Drum latch assembly.
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Blind Karl (Erdmannhausen DEX) Klotz Arthur (Neckargrningen DEX), Knee lever lock for air filter covers and the like.
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이 특허를 인용한 특허 (18)

Wawchuk, John Richard, Coupling device for fluid lines.
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Lurk, Michael James; Linhorst, Thomas A., Dual use coupling end for pipes and fittings.
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Feichtinger, Stefan, Fuel container and its connection with a pipe.
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Denis Barclay CA; Paul Major CA; Elie Banon CA, Lockable quick connect/disconnect coupling.
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Jarnagin, Scott Patrick; Lam, Gordon W.; Eubanks, Shannon, Peristaltic pump having a self-closing occlusion bed.
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Eberle Gerald P., Pipe coupling.
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Janis, Alan J.; Koch, Folkert Fred; Ott, Wolfgang; Drake, Christopher Robin; Piety, Brian Michael; Resendes, Mark David, Preconditioned air connector assembly for aircraft.
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Janis, Alan J.; Koch, Folkert Fred; Ott, Wolfgang; Drake, Christopher Robin; Piety, Brian Michael; Resendes, Mark David, Preconditioned air connector assembly for aircraft.
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Janis, Alan J.; Koch, Folkert Fred; Ott, Wolfgang; Drake, Christopher Robin; Piety, Brian Michael; Resendes, Mark David, Preconditioned air connector assembly for aircraft.
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Janis, Alan J.; Koch, Folkert Fred; Ott, Wolfgang; Drake, Christopher Robin; Piety, Brian Michael; Resendes, Mark David, Preconditioned air connector assembly for aircraft.
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Janis,Alan J.; Koch,Folkert Fred; Ott,Wolfgang; Drake,Christopher Robin; Piety,Brian Michael; Resendes,Mark David, Preconditioned air connector assembly for aircraft.
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Donais Michel,CAX ; Lamontagne Denis,CAX, Quick connect/disconnect coupling.
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Jupe, Michael A., Remote cam-lock coupling actuator and discharge containment device.
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Palmer, David, Safety cap for couplings and fittings.
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Chang King,TWX, Self-locking quick disconnect coupling device.
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MacDonald William David, Spill containment system.
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Schipani, Ralph L.; Strayer, Richard K.; Lasky, Michael B.; Egbert, Lee T., Tube fastener apparatus.
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Chen, Tsan-Jee, Tubular connection structure.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Quick connect-disconnect couplings 원문보기