[특허]Low effort cable release hood latch assembly

[미국특허] Low effort cable release hood latch assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F05C-003/26
출원번호	US-0312269 (1989-02-21)
발명자 / 주소	Rogers Jr. Lloyd W. (Utica MI)
출원인 / 주소	General Motors Corporation (Detroit MI 02)
인용정보	피인용 횟수 : 20 인용 특허 : 4

초록 ▼

A hood latch assembly for latching and unlatching a hood for an automotive vehicle comprises a housing for receiving a striker on the hood, a locking lever spring biased toward an unlatched position in which it releases the striker, but movable to a latched position in reponse to the hood being closed, a detent lever for holding the locking lever in its latched position, a cable release and a release lever disposed between the detent lever and locking lever. The release lever is connected to the cable release and engages the detent lever to provide a high mechanical advantage to the detent lever, when actuated to release the hood, to reduce hood opening effort and the locking lever automatically returns the release lever and cable release to their original positions when moved to its unlatched position whereby no spring return for the cable release is required.

대표청구항 ▼

A latch assembly for latching and unlatching a pivotally movable closure panel of an automotive vehicle comprising a housing which is adapted to be mounted to vehicle body structure of the vehicle adjacent a striker on the closure panel, a locking lever pivotally supported by said housing for movement between a latched position in which an upper end portion thereof is latched to the striker on said closure panel to hold the latter in its closed position and an unlatched position in which said upper end portion releases the striker to allow the closure panel to be moved toward an open position, said locking lever being biased toward said unlatched position and having a lower end portion remote from its upper end portion, a detent lever pivotally supported by said housing for movement between a first position in which a first portion thereof engages said locking lever to retain the latter in its latched position and a second position in which said first portion thereof releases said locking lever to allow the latter to be moved to its unlatched position, said detent lever having a second portion and being spring biased toward its first position, and manually manipulatable release means operatively associated with said second portion of said detent lever for moving the latter in opposition to its spring biasing force from its first position toward its second position to release said locking lever for movement toward its unlatched position, the improvement being that said latch assembly includes a third lever pivotally supported by said housing and at least partially located between said lower end portion of said locking lever and said second portion of said detent lever, said third lever having an upper end disposed within the path of movement of said lower end portion of said locking lever, a lower end which is connected with said manually manipulatable release means and an intermediate portion adjacent its pivot which engages said second portion of said detent lever, said third lever in response to being rotated in one direction by manual movement of said manually manipulatable release means in a first direction exerting a high mechanical advantage to said detent lever and causing the latter to be rotated from its first position toward its second position to release said locking lever for movement from its latched position toward its unlatched position to release the striker, said lower portion of said locking lever engaging said upper end of said third lever as it moves towards its unlatched position to cam and return said third lever and release means back toward its original position and then blocking said third lever against movement in said one direction while the closure panel is open, said locking lever being adapted to be engaged by said striker and cammed from its unlatched position toward its latched position when the closure is being moved toward its closed position, said locking lever during this movement also camming said detent lever against its spring bias toward its second position until the first portion thereof is aligned with a detent portion on said locking lever whereupon said spring biased detent lever returns to its first position to detentably engage and hold said locking lever in its latched position.

이 특허에 인용된 특허 (4) 인용/피인용 타임라인 분석

Bernard Vincent (Anould FRX), Latch, in particular for a motor vehicle door.
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Noel Jean P. (Saint-Die FRX) Party Marcel (Saint-Die FRX), Lock in particular for an automobile vehicle.
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Kobayashi Fumio (Yokohama JA), Locking apparatus provided with an idle mechanism.
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Nishikoori Tsutomu (Hiroshima JPX), Locking means for automobile rear doors.
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이 특허를 인용한 특허 (20) 인용/피인용 타임라인 분석

Kim, Sang Il; Ha, Chang Gi; Jung, C H, 2-step guide hood latch apparatus for vehicle.
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Ramachandran Natarajan ; Lewis Kim Raymond ; Sedlock Gerald T. ; Price ; III Charles D. ; Lute ; Jr. Richard Calvin, Automated teller machine with enhanced service access.
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Shimura Ryoji,JPX, Automotive slide door lock.
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Artur Jerzy Ostrowski ; Hoi Wah Chow, Deck lid latch.
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Charnesky, Scott P.; Alexander, Paul W.; Argote, Jr., Tony, Electric vehicle with secondary charge cord release mechanism.
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Meyer, Dieter; Schaaf, Alexander; Zysk, Florian; Drescher, Michael; Krauter, Bernd, Front hood safety closure system having a separate catch-hook control.
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Vázquez, Francisco Javier; Estrada, Eduardo; Martinez, Alfredo, Hold open lever integrated to latch housing.
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Konchan Jeffrey L. (Shelby Township MI) Kowalczyk David (Macomb MI) Reelhorn John F. (Pickerington OH) Saxton Dennis F. (Orient OH), Hood and decklid latch assemblies.
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Hunt Trevor,CAX ; Joshi Ravi,CAX ; Ghorghorian Dikran,CAX ; Tomaszewski Kris,CAX, Hood latch for an engine compartment.
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Heffner Steven P. ; Golemis Fotios, Lock assembly.
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Tiemann, Dirk; Kilian, Anett; Klein, Bernd; Maas, Michael; Wilbanks, Scott, Lock of a hood of a motor vehicle.
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Hunt, Robert; Zhuang, Jim; Pohle, Werner, Lock unit having a slotted pawl.
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Nakadaira Fumio,JPX ; Kumagai Mitsuaki,JPX ; Obata Takao,JPX ; Kobayashi Toshiyuki,JPX, Locking structure for covering element.
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Knust, Michael; Dunnen, Bram den; Guschall, Heiner; Goldman, Daniel, Method and equipment for conditioning a heavy fraction high in plastics.
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Knust, Michael; den Dunnen, Bram; Guschall, Heiner; Goldman, Daniel, Method and equipment for conditioning a heavy fraction high in plastics.
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Kearsey, Stephen; Long, Eric; Savian, Scott, Overhead storage bin latch system.
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Long, Eric; Kearsey, Stephen; Savian, Scott, Overhead storage bin latch system.
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Gruber, Rudolf; Loui, Dennis Tak-Man, Retractable latch bumper.
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Juga, Douglas L.; Bullock, Charles E., Rotary lock providing positive latching indicia.
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King, Patrick J.; Wize, Garrett J.; Gentile, William R.; Beauchamp, Jason A.; Leatzau, Richard M., Self-presenting secondary hood latch assembly.
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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] Low effort cable release hood latch assembly 원문보기