[특허]Cylinder lock

Cylinder lock 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-017/04
출원번호	US-0798164 (1991-11-26)
우선권정보	JP-0330274 (1990-11-30); JP-0249800 (1991-09-27)
발명자 / 주소	Konii Katsuji (Yokohama JPX) Fukasawa Takeshi (Yokohama JPX)
출원인 / 주소	Alpha Corporation (Kanagawa JPX 03)
인용정보	피인용 횟수 : 48 인용 특허 : 0

초록 ▼

A cylinder lock is disclosed having significant resistance to damage or tampering. The cylinder lock comprises an axial cam provided on the key cylinder; a rotator which may be engaged with the sleeve and be in contact with the axial cam of the key cylinder; a stopper positioned adjacent to the rotator and having a pair of lugs engageable with a recess of the casing; and an axial spring positioned between the stopper and a connector for resiliently urging the stopper toward the rotator. The rotator and stopper are axially moved by the axial cam of the key cylinder to release engagement of the rotator with the sleeve and also to release engagement of the stopper with the casing when the key cylinder is rotated independently of the sleeve by a correct key, thereby the rotator comes into engagement with the connector. By further rotating the key cylinder, the rotator, stopper and connector are rotated as a unit to a locked or unlocked position.

대표청구항 ▼

In a cylinder lock including a casing; a sleeve rotatably disposed in said casing; a key cylinder disposed rotatably within said sleeve; tumblers slidably disposed within slits formed in said key cylinder for engagement with the sleeve; and a connector drivingly connected to a lock device; the improvement comprising: an axial cam and a radial projection each provided on the key cylinder; a rotator being engageable with said sleeve having a protrusion in contact with said axial cam of the key cylinder; said rotator being formed with an internal notch for receiving said projection of the key cylinder; a stopper positioned adjacent to said rotator and having at least one lug engageable with a recess of said casing; opposed spring pressed pins disposed radially within said key cylinder operable to engage radial cams formed on said rotator and on said stopper; an axial spring positioned between said stopper and said connector for resiliently urging said stopper toward said rotator and into releasable engagement with said recess of said casing; engagement means on said rotator and on said connector for making a driving connection therebetween; said rotator normally in moveable engagement with said sleeve; said stopper normally in moveable engagement with said casing; the protrusion normally in moveable engagement with said axial cam; and said connector and said rotator normally out of engagement; said key cylinder being releasable from said sleeve upon insertion of a proper key therein, whereby manual rotation of said key cylinder by means of a proper key operates to effect camming action between the axial cam and said protrusion to create axial motion effective to (a) release engagement of said rotator and said sleeve (b) release engagement of said stopper with said casing (c) operate the engagement means and (d) drive said radial spring pressed pins inwardly as the pins follow said radial cams of said rotator and said stopper whereby further rotation of the key cylinder causes the rotator, stopper and connector to move as a unit to operate a lock device; and return spring means operable upon release of said proper key for returning said rotator, said stopper and said connector to their original position whereby said spring pressed pins are free to move outwardly automatically so that camming action returns the key cylinder to its original position.

이 특허를 인용한 특허 (48)

Yun-Bin Hsu,TWX, Ambidextrous vertical inverted handed cam lock.
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Oyabu Yoshinobu (Aichi JPX) Kito Shozo (Aichi JPX), Cylinder lock.
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Yuhi,Kazuo; Ishitsuka,Takashi, Cylinder lock.
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Dimig, Steven J.; Zirtzlaff, Keith D.; Ritz, Alan J., Free wheeling lock assembly.
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Dimig Steven J. ; Zirtzlaff Keith D., Free-wheeling lock.
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Shimon, Gary C., Freewheeling lock apparatus and method.
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Yamashita Akihiko,JPX ; Mochizuki Yoshifumi,JPX, Handle locking device.
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Miyamoto Keiichi (Kanagawa JPX), Key cylinder automatic returning device for cylinder lock device.
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Zimmerman,Rudolf, Key switch with at least one switching position.
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Eriksson, Kjell; Herrmann, Jonas; Larsson, Bjorn, Lock.
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Myers Gary L. ; Haiduc Aurelia Constanta, Lock assembly with a key-activated removable core structure.
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Lieb Kurt,DEX ; Chevalier Stephan,DEX ; Richter Martin,DEX ; Hering Thomas,DEX, Lock cylinder.
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Habecke, Matthias, Lock cylinder particularly for functions which can be carried out in a vehicle.
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Miao, Tony, Lock with a sliding block movably received in the control knob to selectively drive the latch.
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Boesel, Lucas; Miller, Joshua J., Master key lock, system and method.
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Chen, Tian-Yuan, Motorcycle disc brake lock.
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Gallagher Francis E. (3800 N. Bradford LaVerne CA 91750), Pin tumbler lock.
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Huang,Chao Ming; Chen,Chi Ming, Plug assembly for a door lock.
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Dalton, Robert, Portion of a high-strength lock.
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Flandrinck, Christian, Releasable lock for a motor vehicle lock mechanism.
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Flandrinck, Christian, Releasable lock for a motor vehicle locking system.
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Flandrinck, Christian, Releasable lock for a motor vehicle locking system.
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Bacon, Bruce C., Remotely operated locking paddle handle latch assembly.
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Martin, Frank J., Security face plate for cabinet lock.
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Martin,Frank J., Security face plate for cabinet locks.
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Pierson,Josh; Lombardo,Gilbert, Self-adjusting cam assembly.
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Ellis Philip C. ; Meck Leslie A., Spring retainer for lock mechanism.
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Linares, Rodolfo A., Spring-loaded camlock.
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Bacon, Bruce C., Touch pad lock assembly.
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Bacon, Bruce C., Touch pad lock assembly.
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Rodolfo A. Linares ; George N. Alvarado, Variable turn latch assembly and method.
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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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이 특허를 인용한 특허 (48)

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