[특허]Lifting device for LCD

[미국특허] Lifting device for LCD 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47B-088/00 A47B-005/00
출원번호	US-0292704 (2002-11-13)
발명자 / 주소	Chang, Chun-Chung
대리인 / 주소	Rabin & Berdo, P.C.
인용정보	피인용 횟수 : 26 인용 특허 : 2

초록 ▼

A parallelepiped lifting device mounted under a computer desk in a storage position is disclosed. Prior to using a computer, the device is activated by starting a motor in a clockwise rotation to lift an LCD of the computer from under the desk by means of a mechanism comprising chain wheels, bars, and adjusting screws. A lowering of the device into the desk is performed by starting the motor in a counterclockwise rotation by means of the same mechanism. The invention can save desk space for other purposes in the storage position.

대표청구항 ▼

1. A parallelepiped lifting device mounted under an element in a storage position, comprising: an electric motor capable of rotating clockwise or counterclockwise; two side adjusting screws; a transverse bar interconnecting the adjusting screws, the transverse bar being moveable along the adjusting screws as they advance; a ball-and-socket joint at about the center of the transverse bar; an LCD coupled to the ball-and-socket joint, the LCD being covered in the storage position; a post behind the LCD; an upper dust cover pivotably coupled to the top of the post; a lower L-shaped foot pivotably coupled to the bottom of the post; a pair of first rollers at the bottoms of the adjusting screws; a first belt fitted around the first rollers; an idler roller on the adjusting screw; a drive roller fixed at the bottom of the lifting device; and a second belt fitted around the idler and drive rollers, wherein both the idler and drive rollers are disposed between the transverse bar and the first rollers, in a lifting operation of the LCD, the motor is started in the clockwise rotation for activating the drive roller in order to advance the second belt, the idler roller is then driven by the conveying second belt, the L-shaped foot is pivoted to lower the post, in response, the dust cover is pivoted upward about the post for exposing the LCD, one of the adjusting screws is driven by the idler roller to advance, the advance is in synchronism with that of the other adjusting screw, the advances are converted into an upward movement of the transverse bar for lifting the LCD from the lifting device until a predetermined maximum lifting distance is reached, and in a lowering operation of the LCD, the motor is started in the counterclockwise rotation for activating the drive roller in order to advance the second belt, the idler roller is then driven by the conveying second belt, the L-shaped foot is pivoted to raise the post, in response, the dust cover is pivoted downward about the post for closing the LCD, one of the adjusting screws is driven by the idler roller to advance, the advance is in synchronism with that of the other adjusting screw, the advances are converted into a downward movement of the transverse bar for lowering the LCD into the lifting device until a predetermined maximum lowering distance is reached. 2. The lifting device of claim 1, wherein the element is a computer desk, the computer desk having an access cover which is removed prior to the lifting operation of the LCD.3. The lifting device of claim 1, wherein the LCD is an LCD of a computer.4. The lifting device of claim 1, wherein the LCD is an LCD of a television.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Park Kwang-soo,KRX, Desk with liftable monitor case.
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Mattia Armand D. (4058 Apore St. La Mesa CA 92041), Pulpit elevating and lowering system.
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이 특허를 인용한 특허 (26) 인용/피인용 타임라인 분석

Smith, Renato L., Apparatus operable to facilitate access to information.
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Beyer, Scott; Beyer, David, Automatic lift stand and case.
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Latino,Richard M., Computer monitor lift and storage mechanism.
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Latino,Richard M.; Mello,Edward, Electrically-driven computer monitor lift and storage assembly.
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Cvek, Sava, Emergency and security condition retractable computer arrangements.
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Demster, Stanley J., Equipment enclosure and method of installation to facilitate servicing of the equipment.
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Cvek, Sava, Extension and retraction arrangement with articulated door.
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Cvek, Sava, Extension and retraction arrangements.
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Cvek, Sava, Extension and retraction arrangements with control systems.
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Kunz,James R., In-vehicle lift mechanism.
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Gevaert, Steven C., Laptop computer bin assembly for a worksurface.
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Griepentrog, Dennis G.; Hornberger, Timothy G., Laptop computer storage assembly for a work surface.
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Bober, Wieslaw, Modular sub-cabinet for motion furniture.
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Bober,Wieslaw, Modular sub-cabinet for motion furniture.
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Chen, Chao Lin, Monitor rising and storing system.
상세보기
Smith, Renato L., Mountable device having a pivotable input device support.
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Buehl, Robert C., Panel mounted appliance elevator apparatus.
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Walden, Mark L., Pivoting remotely controlled television holder apparatus.
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Kim, Seong Wook, Refrigerator.
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Walker, Elaine Claire, S-box storage unit.
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De Saulles, Stephen; Fearns, Liberty; Hoggarth, Marcus; Leck, Matthew Graeme, Stowable table assembly.
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Kirschner, Mitchell; Schuman, Ethan, Thin screen enclosure.
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Kirschner, Mitchell; Schuman, Ethan, Thin screen enclosure.
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Romero Font, Montserrat, Tilting, retractable screen device for tables.
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Cvek, Sava, Trolley and rail systems for extension and retraction arrangements.
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Thomas, Rendell, Wall-mounted computer work station.
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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] Lifting device for LCD 원문보기