[특허]Locks and switch locks having substitutable plug-type operator assemblies

Locks and switch locks having substitutable plug-type operator assemblies 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-029/04
출원번호	US-0644936 (1991-01-23)
발명자 / 주소	Lux Mark S. (Gurnee IL) Laabs Timothy P. (Des Plaines IL)
출원인 / 주소	The Eastern Company (Wheeling IL 02)
인용정보	피인용 횟수 : 34 인용 특허 : 0

초록 ▼

Substitutable plug assemblies are removably retained at an operating position within a forwardly opening chamber of the barrel of a lock assembly. A plug assembly that has been inserted to the operating position is releasably retained within the enshrouding barrel by a retainer that is moved by spring bias to a plug-retaining position wherein the retainer bridges complementary formations that are defined by the barrel and by the inserted plug assembly. A retained plug assembly that has been inserted to the operating position can be rotated about the central axis relative to the barrel between at least a pair of angularly spaced positions. One of the plug assemblies carries tumblers that are engageable with interior portions of the barrel for locking the one plug assembly in at least one of the angularly spaced positions unless the one plug assembly is unlocked by a suitably configured key. The other of the substitutable plug assemblies preferably includes a manually operable formation such as a knob. In preferred practice, the other of the substitutable plug assemblies includes a manually operable formation such as a knob that permits the lock assembly to be operated without the need for a key. The lock assembly may be combined with an electrical switch to provide a lock controllable switch.

대표청구항 ▼

A lock of the type comprising a plug having a transverse peripheral groove formed therein; a barrel having an outer surface with front portions thereof defining a ring-like rim that remains readily accessible when the barrel is installed on a suitably configured mount, a forwardly-facing opening that is surrounded by the rim, and an inner surface that extends rearwardly from the front opening to define a chamber within the barrel; with the chamber being configured to receive body portions of the plug and to position the plug at an operating position; with the plug being rotatable relative to the barrel between at least a pair of angularly spaced positions once the plug has been positioned at the operating position, with such rotation being about an imaginary central axis that extends forwardly through the center of the front opening and rearwardly through the chamber; a retaining member mounted in the transverse peripheral groove of the plug for projecting therefrom into a complementary groove that is formed in the inner surface at a location that is within close proximity to the rim; biasing means carried by the plug for biasing the retaining member outwardly with respect to the transverse peripheral groove such that portions of the retaining member are caused to extend into the complementary groove when the plug is received at the operating position within the barrel; a tool-receiving passage of relatively small cross section formed through the rim, with the passage 1) having an outer end that opens through the outer surface, 2) having an inner end that opens into the complementary groove, and 3) being oriented to permit insertion of a thin, elongated tool through the outer end and into engagement with the retaining member to move the retaining member in opposition to the biasing means to a plug-removal position wherein the retaining member is forced out of the complementary groove so that the plug can be removed from the barrel; a second groove defined by the inner surface at a location within the chamber that is spaced rearwardly from the location of the complementary groove; retention tumbler means carried by the plug for extending into the second groove to prevent removal of the plug from the barrel unless the plug is engaged by a suitably configured key that retracts the retention tumbler means from extending into the second groove, whereby the plug is locked against being removed from the barrel unless the plug is engaged by a suitably configured key; with the second groove extending within a plane that is transverse relative to the central axis, and with the second groove being configured to permit rotation of the plug relative to the barrel between said pair of angularly spaced positions while said retention tumbler means remains engaged with said second groove.

이 특허를 인용한 특허 (34)

Trent, Doug; Hartman, Glenn, Apparatus for automatically returning a lock to a desired orientation.
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Yu Tsung-Mou,TWX, Auto tripping key switch.
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Yu Tsung-Mou,TWX, Auto tripping multi-state key switch.
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Novell,Richard; Vaz,Manuel, Builder's temporary door latch.
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Sykes, Brian, Camming latch.
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Sykes, Brian, Camming latch.
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Sykes,Brian, Camming latch.
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Zhang, An; Gokcebay, Asil T., Combination lock with override key.
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Laabs Timothy P. ; Ott Brian M. ; Crocco John J., Combined lock and linear actuator.
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Bolton Brian L., Cylinder type lock arrangement.
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Hartz, Phillip; Hatfield, Daniel; Johnson, Terril, Door latch.
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Freck,Lawrence L., External cam lock.
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Capwell, Robert G., Guard side passive two key lock.
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Aruga, Hiroyasu; Hayakawa, Zenji; Ogura, Mitsuo; Asano, Kenji, Handle of baggage rack cover for aircraft.
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Decosse Jean,FRX, Knob.
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Ford, David E., Latch turn mechanism.
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Freck Lawrence L., Lock.
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Larsen Marvin L. (New Hampton IA) McConnell Kenneth L. (New Hampton IA), Lock assembly with interchangeable key plug.
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Mueller, Ulrich; Habecke, Matthias; Jacob, Dirk, Lock device with a lock cylinder and a key.
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Edwards Charles Christopher ; Kelton Grady A., Lock with removable cylinder.
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Alan, Turgay, Locking and closing device.
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Backhaus, Michael, Locking and closing device.
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Jackson, Jr.,Joseph W., Pop-up knob.
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Finch, Jr., Glyn A., Removable core lock with increased rotation.
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Fuller, Mark Weston, Removable keyless turning mechanism for locks.
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Pagnoncelli,Marco, Reprogrammable lock.
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Westwinkel, Florian; Sabelli, Tonino, Rotational range modifier for locking systems.
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Bruce Jenks, Security cap for plug lock.
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Jackson, Jr., Joseph W.; Magnusson, Claes Gunnar Wilhelm, Slam latch with pop-up knob.
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Jackson, Jr.,Joseph W., Slam latch with pop-up knob.
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Jackson, Jr.,Joseph W., Slam latch with pop-up knob.
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William Joseph Agnatovech ; Robert Ehrensberger, Switchlock assembly with snap-in cam.
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Lawrence L. Freck, Tubular keyed cam lock with screw attachment.
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Winner James E. (Hollywood Beach FL) Rutkowski John (Cuyahoga Falls OH), Vehicle anti-theft system.
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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

내보내기 구분	파일저장 인쇄 메일전송
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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Locks and switch locks having substitutable plug-type operator assemblies 원문보기

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Locks and switch locks having substitutable plug-type operator assemblies 원문보기

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이 특허를 인용한 특허 (34)

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