[특허]Office chair

[미국특허] Office chair 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47C-003/00
출원번호	US-0102724 (1987-09-30)
발명자 / 주소	Vogtherr Burkhard (Kandern-Holzen DEX) Elzenbeck Manfred (Steinheim/Murr DEX)
출원인 / 주소	Davis Furniture Industries, Inc. (High Point NC 02)
인용정보	피인용 횟수 : 67 인용 특허 : 6

초록 ▼

An office chair in which a backrest and seat are articulated together and the resulting assembly pivotally suspended from the rear end of the side arms which form a pivot point positioned at or near the center of gravity of the chair when occupied. The pivot point is fixed in space by an underlying support system. The lower end of the arm rest is affixed to the rear transverse support arm of a support frame which is, in turn, mounted on the upper end of a vertical support column. The front end of the set member is slidably mounted on a forward cross arm of the support frame through a hexagonally-shaped sliding/locking member in such manner that the back rest and seat may be selectively locked in position or released to adjustably recline (backrest) and slide (seat). The articulated connected between the back rest and seat member is positioned beneath and rearwardly of the aforementioned point of pivotal suspension, so that when the back rest is tilted rearwardly from an upright position the rear portion of the seat member is caused to lower slightly as it slides forwardly. All controls for the chair are located on either end of the aforementioned support arm.

대표청구항 ▼

An office chair comprising: (a) a seat member and a backrest member having a lumbar region, said seat member and backrest member hingedly articulated together about a first horizontal axis extending along the rear of said seat member and the lower edge of said backrest member, said backrest member being curved from top to bottom about a second horizontal axis extending through said lumbar region; (b) a support system including: (i) a vertical column extending upwardly from a base and a support frame having a transverse support arm; (ii) said transverse support arm mounted on the upper end of and extending perpendicularly from said vertical column, said transverse support arm extending beneath said seat member along a third horizontal axis; (iii) said support frame further including a front member and a longitudinal member extending forwardly from said transverse support arm; (c) a pair of side arms, each side arm affixed to an opposite end of said transverse support arm and extending upwardly then rearwardly therefrom, the upper end of each side arm pivotally supporting opposite side edges of said backrest member at a point substantially aligned with said second horizontal axis; (d) spaced slotted housing secured to the undersurface of said seat member adjacent the front portion thereof; (e) connecting means slidably joining and selectively locking said front member of said support frame within said spaced slotted housings; (f) the second horizontal axis extending through said lumbar region lying rearwardly of said transverse support arm, said first horizontal axis being movable responsive to tilting of said backrest member between a first upright position in which said first horizontal axis is positioned substantially rearwardly of said second horizontal axis and a second tilted position in which said first horizontal axis is positioned substantially beneath said second horizontal axis; (g) whereby as said back member is tilted rearwardly said seat member realizes a slight lowering and the horizontal distance between the center of gravity of the occupied chair and said transverse support arm is minimized.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Franck, Klaus; Sauer, Werner, Chair.
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Neuhoff, Uredat, Chair.
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Petersen Warren D. (St. Charles IL), Knock-down pedestal chair.
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Doerner Frank (138 Aberdeen Rd. Kitchener ; Ontario CAX N2M 2Y7), Leg for chair base and cap therefore.
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Rupp James A. (Pioneer OH) Bramhall John M. (Montpelier OH), Recliner mechanism.
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Bruning Egon (Weil am Rhein DEX), Work chair having a vertically adjustable chair support.
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이 특허를 인용한 특허 (67) 인용/피인용 타임라인 분석

Hodge David N. (The Sea Ranch CA) Jenkins David C. (Grand Rapids MI) Mercier Michael L. (Grandville MI) Teppo David S. (East Grand Rapids MI) Lindgren Larry G. (Rockford MI) Halliwill Jeffery L. (Gow, Adjustable chair actuator.
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Castro, Jr., Elindo G.; Hill, Christopher C., Biasing mechanism for a seating structure and methods for the use thereof.
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Plikat, Claudia; Zwick, Carola Eva Marianne; Zwick, Roland Rolf Otto; Schmitz, Johann Burkhard; Laux, Robert Friedrich, Body support structure.
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Caruso Jerome C. ; Caruso Steven J. ; Gezon Bruce R. ; Gierz Marc A. ; Nyenhuis Jack R., Chair.
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Caruso,Jerome C.; Caruso,Steven J.; Gezon,Bruce R.; Gierz,Marc A.; Nyenhuis,Jack R., Chair.
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Davis, Daniel K.; Easton, William R.; Prestwich, Jonathan; Bock, Hermann, Chair.
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Jerome C. Caruso ; Steven J. Caruso ; Bruce R. Gezon ; Marc A. Gierz ; Jack R. Nyenhuis, Chair.
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Kan, Satoshi; Chan, Eric, Chair.
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Smith, Bruce M.; Löw, Glen Oliver; Ludwig, James N.; Battey, Robert J.; Peterson, Gordon J.; Holdredge, Russell T.; Krupiczewicz, Todd D.; Brock, Nathan R., Chair.
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Smith, Bruce M.; Löw, Glen Oliver; Ludwig, James N.; Battey, Robert J.; Peterson, Gordon J.; Roslund, Jr., Richard N.; Holdredge, Russell T.; Krupiczewicz, Todd D.; Brock, Nathan R., Chair.
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Hodge David N. (The Sea Ranch CA) Deimen Michael L. (Grand Rapids MI) Jenkins David C. (Grand Rapids MI) Mercier Michael L. (Grandville MI) Sandberg Donald K. (Ada MI) Teppo David S. (East Grand Rapi, Chair actuator.
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Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
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Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
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Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; McCaughan, Nathan; Mydur, Pradeep; Holdredge, Russell T.; Vander Veen, Mark; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
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Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; McCaughan, Nathan; Mydur, Pradeep; Holdredge, Russell T.; Vander Veen, Mark; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
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Battey, Robert J.; Roslund, Jr., Richard N.; Karsten, Gary Lee; Heidmann, Kurt R.; McCaughan, Nathan; Mydur, Pradeep; Holdredge, Russell T.; Vander Veen, Mark; Krupiczewicz, Todd D.; Brock, Nathan R.; Hall, Jeffrey A.; Peterson, Gordon J.; Andres, Todd T., Chair assembly.
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Wu, Yao Chuan, Chair assembly.
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Peterson, Gordon J.; Vander Veen, Mark, Chair assembly with upholstery covering.
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Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Andres, Todd T., Chair back mechanism and control assembly.
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Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Andres, Todd T., Chair back mechanism and control assembly.
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Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Holdredge, Russell T.; Andres, Todd T., Chair back mechanism and control assembly.
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Loew, Glen Oliver; Hector, Andrew Blair, Chair back tilt mechanism.
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Roossien Charles P. (Wyoming MI) Pugh David C. (Howard City MI) Groendal Dale M. (Jenison MI) Massey James E. (Wayland MI) Scheper Robert M. (Grand Rapids MI) Nagel Duane F. (Grand Rapids MI) Smith B, Chair construction and method of assembly.
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Faiks, Frederick S.; Feldpausch, Thomas G.; Forslund, III, Carl V., Chair control.
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Heidmann Kurt R. ; DeKraker Larry, Chair control having an adjustable energy mechanism.
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Prestwich, Jonathan, Chair frame.
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Deimen,Michael L; Hatcher,Stephen D, Chair ride mechanism with tension assembly.
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Tin,Yu Yeung, Chair with a synchronous coordinating system for the chair back.
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Peart Stephen, Chair with adjustable table.
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Sangiorgio, Claudio, Chair with movable seat and backrest.
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Heidmann Kurt R. ; DeKraker Larry, Chair with reclineable back and adjustable energy mechanism.
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Romero, Francisco, Chair with seat depth adjustment and back support.
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Kurtz Eric J., Chair with tilt limiter.
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Enrico Cioncada IT, Chair with variable pitch.
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Dozsa Farkas,Andras, Chair, especially and office or work chair.
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Bodnar, David A.; Bedford, Adam C.; Heidmann, Kurt R.; Karsten, Gary L., Combined tension and back stop function for seating unit.
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Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
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Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
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Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
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Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R., Control assembly for chair.
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Battey, Robert J.; Andres, Todd T.; Karsten, Gary Lee; Heidmann, Kurt R.; Peterson, Gordon Jay; Krupiczewicz, Todd David, Control assembly for chair.
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Battey, Robert J.; Karsten, Gary L.; Heidmann, Kurt R.; Andres, Todd T., Control assembly for chair.
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Battey, Robert J.; Karsten, Gary Lee; Heidmann, Kurt R.; Andres, Todd T., Control assembly for chair.
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Bodnar,David A.; Bedford,Adam C.; Heidmann,Kurt R.; Karsten,Gary L., Control mechanism for seating unit.
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Perry Charles O., Flexible chair.
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Perry Charles Owen, Flexible chair which can be disassembled to a flat configuration.
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Asbjørnsen, Svein, Furniture device with adjustable angle between the seat and the back of the piece of furniture.
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Schradin, Aaron Jon; Emenaker, Nicolas Edward; Kooistra, Brett William, Modular chair mechanism with self-weighing.
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Clerkin Colin R. ; Sinur Richard R. ; Troller Dean G., Motorcycle seat with adjustable backrest.
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Miotto Beniamino,ITX, Multi-position chair control mechanism for synchronously adjusting the seat and backrest of a chair.
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Schmitz, Johann Burkhard; Zwick, Carola Eva Marianne; Zwick, Roland Rolf Otto; Plikat, Claudia, Piece of furniture.
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Schmitz, Johann Burkhard; Zwick, Carola Eva Marianne; Zwick, Roland Rolf Otto; Plikat, Claudia, Piece of furniture.
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Perry Charles O. (20 Shorehaven Rd. East Norwalk CT 06855), Reclining chair.
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Hildebrandt, Mark D.; Sutton, Todd A.; Sarns, Steve W., Recumbent total body exerciser.
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Norman,Christopher J.; Heidmann,Kurt R.; Battey,Robert J.; Hall,Jeffrey A.; Karsten,Gary Lee, Seating unit with crossbar seat support.
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Larry DeKraker ; Kurt R. Heidmann ; Glenn A. Knoblock ; David S. Teppo, Seating unit with reclineable back and forwardly movable seat.
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Tubergen,Renard G.; Peterson,Gordon J.; Heidmann,Kurt R., Seating with comfort surface.
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Tubergen,Renard G.; Peterson,Gordon J.; Heidmann,Kurt R., Seating with comfort surface.
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Fich, Preben Bo, Synchronizing device for an office chair.
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DeKraker Larry ; Heidmann Kurt R. ; Knoblock Glenn A. ; Teppo David S., Synchrotilt chair with forwardly movable seat.
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Insalaco, Robert Warren; Nicolai, Neubert; Plikat, Claudia; Schmitz, Johann Burkhard; Zwick, Carola E.M.; Zwick, Roland R.O., Tilt assembly for a chair.
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Ginat Jonathan, Tilt back chair and control.
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Ginat Jonathan, Tilt back chair control.
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Roslund, Richard N.; Rutman, Matthew; Gundarapu, VijayKrishna; Guntur, Naveen, Tilt control mechanism for a chair.
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Roslund,Richard N.; Rutman,Matthew; Gundarapu,VijayKrishna; Guntur,Naveen, Tilt control mechanism for a chair.
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Scholten Brian L. (8525 Beretta Ct. Jenison MI 49428) Abraham James E. (3460 Navaho SW. Grandville MI 49418) Groendal Dale M. (2528 PineWood St. Jenison MI 49428) Scheper Robert M. (25 Wallinwood NE., Upholstered chair with two-piece shell.
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DeKraker Larry ; Heidmann Kurt R., Vertical height adjustment mechanism for chairs.
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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] Office chair 원문보기

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