[특허]Latches and latching systems having a positive status indicator

Avibank Manufacturing, Inc.

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특허 상세정보

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Latches and latching systems having a positive status indicator

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05C-003/02
미국특허분류(USC)	292/194; 292/200; 292/063; 292/DIG.31
출원번호	US-0316866 (2008-12-16)
등록번호	US-8419088 (2013-04-16)
발명자 / 주소	Baic, Zarko Baic, Zeljko
출원인 / 주소	Avibank Manufacturing, Inc.
대리인 / 주소	Duncan, Esq., James M.
인용정보	피인용 횟수 : 3 인용 특허 : 25

초록
▼

A status indicating latch comprises a housing having a flange, and the flange has a plurality of apertures transversing the flange. A plurality of attachment means attach the housing flange to a panel. The panel further comprises an activation tool port that an activation tool is inserted into. The activation tool rotates a rotatable lock mechanism disposed within the housing. The lock mechanism comprises a shaft, an activation tool engagement member, a plunger disposed within the shaft and connected to the activation tool engagement member, a cam operatively connected to said plunger, and a plunger biasing means that biases the plunger upwards when the lock mechanism is locked. A guide operatively connected to the cam operates upon a pivot arm that is pivotally connected to the housing and slidably connected to the guide.

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청구항
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1. A status indicating latch comprising: a housing having a flange, said flange having a plurality of apertures transversing said flange, the plurality of apertures each sized and shaped to receive a fastener for attaching said housing to a panel, the housing further comprising a first opening defined therein;a rotatable lock mechanism disposed within said housing, said lock mechanism comprising a shaft disposed within the first opening defined in the housing, a plunger having an activation tool engagement member associated therewith disposed within said shaft, a cam operatively connected to said plunger such that movement of said plunger causes a corresponding rotational movement of said cam, and a plunger biasing means disposed within said shaft and biasing said plunger beyond an outer surface of the housing such that an outward facing surface of said plunger is flush with an outer surface of a panel when said lock mechanism is in a first locked position;a guide operatively connected to said cam such that rotational movement of said cam is transmitted to said guide; anda pivot arm pivotally connected to said housing and slidably connected to said guide such that movement of said guide transmitted to said guide by said cam causes the pivot arm to pivot between the first locked and second unlocked positions, wherein the outward facing surface of said plunger is recessed with respect to the outer surface of said panel when said lock mechanism is in a second unlocked position. 2. The status indicating latch of claim 1 wherein said housing further comprises a movement stop blocking rotational movement of said cam in the direction of the movement stop. 3. The status indicating latch of claim 1 wherein said cam further comprises a link rod for attachment to a link rod attachment member for attaching said status indicating latch to a second status indicating latch. 4. The status indicating latch of claim 1 wherein said activation tool engagement member comprises a hex shaft. 5. The status indicating latch of claim 1 wherein said biasing means comprises a spring. 6. A status indicating latch comprising: a housing having an upper surface and a central body;a rotatable lock mechanism disposed within said housing and transversing said upper surface and said central body, said lock mechanism comprising an activation means for moving said lock mechanism moves between a first locked position and a second unlocked position, said lock mechanism comprising a shaft disposed within a first opening in said housing, a plunger disposed within said shaft, a cam operatively connected to said plunger such that movement of said plunger causes a corresponding rotational movement of said cam, and a plunger biasing means disposed within said shaft wherein said first locked position corresponds to said plunger biased upwards wherein said plunger raises above said upper surface and said second unlocked position corresponds to said plunger compressing said biasing means such that said plunger is flush with said upper surface;a guide operatively connected to said cam such that rotational movement of said cam is transmitted to said guide; anda pivot arm assembly pivotally connected to said housing central body and slidably connected to said guide such that movement of said guide transmitted to said guide by said cam causes the pivot arm to pivot between the first locked and second unlocked positions, wherein said pivot arm is moved into a first raised position aligned relative to said upper surface when said lock mechanism is in said first locked position and a second lowered position angled relative to said upper surface when said lock mechanism is in said second unlocked position. 7. The status indicating latch of claim 6 wherein said housing further comprises a movement stop blocking rotational movement of said cam in the direction of the movement stop. 8. The status indicating latch of claim 6 wherein said cam further comprises a link rod for attachment to a link rod attachment member for attaching said status indicating latch to a second status indicating latch. 9. The status indicating latch of claim 6 wherein said biasing means comprises a spring. 10. The status indicating latch of claim 6 wherein said activation means comprises an activation tool engagement member and an activation tool. 11. The status indicating latch of claim 10 wherein said activation tool comprises a hex wrench. 12. A status indicating latch comprising: a housing having a flange, said flange having a plurality of apertures transversing said flange the plurality of apertures each sized and shaped to receive a fastener for attaching said housing to a panel, the housing further comprising a first opening defined therein;a rotatable lock mechanism disposed within said housing, said lock mechanism comprising a shaft disposed within the first opening defined in the housing, a plunger having an activation tool engagement member associated therewith disposed within said shaft, a cam operatively connected to said plunger such that movement of said plunger causes a corresponding rotational movement of said cam, said cam further comprising a link rod attachment member, and a plunger biasing means biasing said plunger beyond an upper surface of said housing when said lock mechanism is in a first locked position;a guide operatively connected to said cam such that rotational movement of said cam is transmitted to said guide; anda pivot arm pivotally connected to said housing and slidably connected to said guide such that movement of said guide transmitted to said guide by said cam causes the pivot arm to pivto between the the first locked and a second unlocked position. 13. The status indicating latch of claim 12 wherein said housing further comprises a movement stop blocking rotational movement of said cam in the direction of the movement stop. 14. The status indicating latch of claim 12 wherein said activation tool engagement member comprises a hex shaft. 15. The status indicating latch of claim 14 further comprising an activation tool, wherein said activation tool comprises a hex wrench. 16. The status indicating latch of claim 12 further comprising an activation tool, wherein said activation too comprises a hex wrench. 17. The status indicating latch of claim 12 wherein said biasing means comprises a spring. 18. The status indicating latch of claim 12 wherein said pivot arm further comprises a screw subassembly, said screw subassembly further comprises a screw, a screw locking insert, and a self-locking nut. 19. The status indicating latch of claim 12 wherein link rod attachment member connects to a plurality of link rods. 20. The status indicating latch of claim 1 wherein the plunger is flush with an outer surface of said housing when said lock mechanism is in a second unlocked position.

이 특허에 인용된 특허 (25)

이 특허를 인용한 특허 피인용횟수: 3

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Latches and latching systems having a positive status indicator

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Latches and latching systems having a positive status indicator

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이 특허에 인용된 특허 (25)

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