[특허]Lift chair

[미국특허] Lift chair 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47C-001/00
출원번호	US-0930761 (2011-01-14)
등록번호	US-8398171 (2013-03-19)
발명자 / 주소	Lin, Chia-Chuan Tsai, Po-Ming
출원인 / 주소	Cycling & Health Tech Industry R & D Center
대리인 / 주소	Baxley, Charles E.
인용정보	피인용 횟수 : 8 인용 특허 : 38

초록 ▼

A lift chair includes a seat portion formed therein with an accommodating room that is closed atop by a plane; a cushion deposited on the plane; a lifter mechanism deposited in the accommodating room and having an upper end connected to a bottom of the cushion; and a power source serving to drive the lifter mechanism to operate, thereby lifting or lowering the cushion, horizontally moving the cushion, or tilting the cushion, and in turn assisting a user to stand up or sit down.

대표청구항 ▼

1. A lift chair, comprising: a seat portion formed therein with an accommodating room having a top closed by a plane;a cushion deposited on the plane;a lifter mechanism deposited in the accommodating room and having an upper end connected to a bottom of the cushion; anda power source configured to drive the lifter mechanism to operate, so as to lift, to lower, to shift or to tilt the cushion in a track meeting a bottom of a user moving between a standing position and a sitting position, thereby assisting the user to stand up or sit down under support of the cushion; wherein the seat portion has a chair body in which the accommodating room is formed, the chair body being bilaterally provided with armrests for the user to rest his/her arms, a controller being deposited on at least one of the armrests for controlling the lifter mechanism, and a chair back being provided at a rear side of the chair body for the user to rest his/her back; wherein the power source includes at least one actuator that comprises a driving portion and an extension rod; and wherein the lifter mechanism comprises: a base being pivotally connected with one end of the driving portion of the actuator and bilaterally formed with a sliding guide;a plate set being provided on the base and comprising from top to bottom an upper plate, a middle plate and a lower plate, the lower plate having a front end pivotally connected to a front end of the base, the middle plate and the lower plate having rear ends thereof pivotally connected to each other, and the upper plate and the middle plate having front ends thereof pivotally connected to each other, wherein the middle plate has an opening while the upper plate has a bottom formed with two parallel rails and an upper surface connected to the bottom of the cushion;a hinge assembly having an upper part and a lower part, each of the upper part and the lower part having one end pivotally connected to the extension rod of the actuator, the upper part having an opposite end pivotally connected to a middle bottom of the lower plate, and the lower part having an opposite end pivotally connected to a middle portion of the base;a turning board having one end pivotally connected to a middle portion of an upper surface of the lower plate and an opposite end passing through the opening of the middle plate to be slidably received in the rails, the turning board being bilaterally formed with a slot, the slots being so configured that a rod is allowed to pass therethrough and then pivotally connected to a middle portion of the middle plate;two sliding shanks each having one end slidably received in the corresponding sliding guide, and having a middle portion pivotally connected to a corresponding lateral of the lower plate; anda front board having one end pivotally connected to the sliding shanks opposite to the base, and an opposite end so pivotally connected to the middle plate that a joint of the front board and the middle plate is located between joints where the middle plate joins the rod and the upper plate, respectively. 2. The lift chair of claim 1, wherein the base has a rear end formed with a support leg extending downward and the end of the driving portion of the actuator is pivotally connected to the support leg. 3. The lift chair of claim 2, wherein the accommodating room having a bottom closed by at least one plane, so that the support leg of the base is allowed to stand on a solid plane. 4. The lift chair of claim 2, wherein a sensor is deposited on the upper plate for detecting whether the user's bottom is in contact with the cushion.

이 특허에 인용된 특허 (38) 인용/피인용 타임라인 분석

Eakins, Richard; Cimachowski, Czeslaw; Bentley, Brian; Krommenhoek, Joe; Ma, Son; Harding, David; Pang, Nelson, Adjustable chair.
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Auel Carl C. (14 Fifth Ave. Herminie PA 15637), All-purpose rocking, swiveling, reclining, and lifting chair.
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Komorowski Karl J. (Petersburg MI) Saul Jonathan R. (LaSalle MI) LaPointe Larry P. (Temperance MI), Cam guide drive mechanism for power-assisted chairs.
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LaPointe Larry P. (Temperance MI), Cam guide drive mechanism for power-assisted chairs and the like.
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Lapointe Larry P. (Temperance MI), Cam guide drive mechanism for power-assisted chairs and the like.
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Deumite Norman A. (P.O. Box 83330 Baton Rouge LA 70884-3330), Chair with automatic standing aid.
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Guguin Pascal,FRX, Chair, especially a chair for the handicapped.
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Houston ; Sr. Thomas T. (Erie CO) Metzger Raymond H. (Thornton CO), Combination wheelchair and walker apparatus.
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Houston Thomas T. (Erie CO) Metzger Raymond H. (Wheat Ridge CO), Combination wheelchair and walker apparatus.
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House Edward L. (1305 Briar Dr. Batesville AR 72501) White Johnny (411 Main Newport AR 72112) House Howard L. (1775 Highland Rd. Batesville AR 72501) Dollins Greg (303 W. Center ; Apt. 12 Searcy AR 7, Compact powered lift toilet seat.
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Krauska Bernard J. (Wauwatosa WI), Device for converting a recliner chair to a recliner-lift chair.
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Galumbeck Michael H., Elevator chair.
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Henderson Eldred D. (P.O. Box 444 Calhoun City MS 38916), Elevator chair apparatus.
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Mohn,Michael E; Resovsky,Andrew C; LaPointe,Larry P, Heavy lift chair.
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Gaffney Edward J. (N26 W27293 Highway SS Pewaukee WI 53072), Lift chair.
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Marcoux Yvan,CAX ; Veilleux Andre,CAX, Lift chair.
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Pollard, Warren Edward; Olcheski, James, Lift chair and recliner.
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Gaffney ; Edward J., Lift chair with rocker and wheel frame attachments.
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Matson Carl G. (Little Rock AR), Lift platform for chairs.
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Kemmerer Kenneth ; Casey Kenneth, Lift recliner chair with safety system.
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Crockett Foy (H.C. 79 ; Box 578 Hugo OK 74743), Lifting apparatus for a seating structure.
상세보기
Crockett Foy (Rt. 1 ; Box 193 Hugo OK 74743), Lifting apparatus for a seating structure.
상세보기
Komorowski Karl J. (Petersburg MI) Saul Jonathan R. (Erie MI) LaPointe Larry P. (Temperance MI) Marshall Richard E. (Monroe MI), Linear actuation drive mechanism for power-assisted chairs.
상세보기
Komorowski Karl J. (Petersburg MI) Saul Jonathan R. (LaSalle MI) LaPointe Larry P. (Temperance MI) Marshall Richard E. (Monroe MI), Linear actuation drive mechanism for power-assisted chairs.
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LaPointe Larry P. ; Finzel Ken K. ; Saul Jonathan R. ; Komorowski Karl J. ; Marshall Richard E. ; Wright Dennis W., Linear actuation drive mechanism for power-assisted chairs.
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LaPointe Larry P. (Temperance MI) Brettschneider Bryan P. (Monroe MI), Linear actuation drive mechanism for power-assisted chairs and base therefor.
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Hill Jason J. (Manchester MO) Amalfitano Mark S. (Webster Groves MO), Linear actuator with positive stop.
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Hill Jason J. (St. Louis MO) Amalfitano Mark S. (St. Louis MO), Linear actuator with positive stop.
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LaPointe Larry P. ; Saul Jonathon R. ; Wright Dennis W., Modular power reclining chair.
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Abelbeck Kevin ; Allred Lyle, Pivoting linkage elevating chair.
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Williams, Jerry Wayne, Portable lift seat apparatus.
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Houston Thomas T. (Erie CO) Metzger Raymond H. (Wheat Ridge CO), Powered walker.
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Masse James H. (Rte. 2 DePere WI 54115) Masse Patrick J. (920 4th St. DePere WI 54115), Powered wheel chair.
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LaPointe Larry P. (Temperance MI), Recliner chair lift base assembly.
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Casey Kenneth ; Kemmerer Kenneth, Recliner lift chair with swivel base.
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Gaffney Edward J. (N. 26 W. 27293 Highway SS Pewaukee WI 53072), Reclining elevator chair.
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Schaffner Walter E. ; Kollar Carl A. ; Mulhern James P. ; Levi Ronald J. ; Antonishak Stephen J., Reclining lift chair.
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Rudes Arnold H. (Amherst NY) Hand Robert F. (Grand Island NY), Retrofittable chair lifting and tilting device.
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이 특허를 인용한 특허 (8) 인용/피인용 타임라인 분석

Hall, Shawn Anthony, Apparatus for lifting a chair.
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Hall, Shawn Anthony, Apparatus for lifting a chair.
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Christian, Curt, Lift-assist chair.
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Lawson, Gregory M., Linkage mechanism for a dual-motor lifting recliner.
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Zhao, Ping; Yang, Jiaoyun; Zhu, Lihong; Zhang, Liang; An, Ning; Zhang, Ping; Wang, Aiguo; Jin, Liuqi; Que, Xia, Medical apparatus for standing aid.
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Masters, Gary, Seat-lift assembly.
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Lawson, Gregory M; Bryant, Jason Allan, Zero-wall clearance linkage mechanism for a lifting recliner.
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Lawson, Gregory Mark, Zero-wall clearance linkage mechanism for a lifting recliner.
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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] Lift chair 원문보기

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[미국특허] Lift chair 원문보기

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이 특허에 인용된 특허 (38) 인용/피인용 타임라인 분석

이 특허를 인용한 특허 (8) 인용/피인용 타임라인 분석

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