[특허]Rocking movable chair

[미국특허] Rocking movable chair 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47C-001/02
출원번호	US-0176243 (1980-08-07)
우선권정보	JP-0105663 (1979-08-20); JP-0105664 (1979-08-20); JP-0105665 (1979-08-20)
발명자 / 주소	Ishida, Kunio
출원인 / 주소	Tokico Ltd.
대리인 / 주소	Wenderoth, Lind & Ponack
인용정보	피인용 횟수 : 73 인용 특허 : 2

초록 ▼

A rockingly movable chair includes a leg portion, a seat portion mounted on the leg portion and a circular arc surface provided on either of the leg portion or the seat portion for cooperating with an element which is provided on the other of the leg portion or the seat portion and which is displaceable along the circular arc surface so that the seat portion can rockingly move relative to the leg portion. A spring is provided between the leg portion and the seat portion to bias the seat portion with respect to the seat portion in one direction during the rocking movement. A locking device is provided to lock the rocking movement at a desired position.

대표청구항 ▼

1. A rockingly movable chair comprising: a leg portion; a seat portion supported on said leg portion; one of said leg portion and said seat portion having a circular arc surface; the other of said leg portion and said seat portion having an element mounted for displacement along said circular arc surface such that said seat portion is rockably movable with respect to said leg portion; first gas spring means, connected between said leg portion and said seat portion, for movement biasing said seat portion in one rocking direction during rocking movement thereof; second gas spring means for movement raising and lowering selectively the height of said leg portion; each of said first and second gas spring means including a respective lock movable between a locking position preventing movement of the respective gas spring means and a releasing position allowing movement of the respective gas spring means; and actuating means for operating independently and selectively said locks of said first and second gas springs for selective and independent movement between said locking and releasing positions thereof, said actuating means comprising a single operating lever movably mounted on said seat portion, said lever having a portion for operating one of said locks and an arcuate member for operating the other of said locks. 2. A chair as claimed in claim 1, wherein said arcuate member operates said lock of said second gas spring means, and said arcuate member has a dimension capable of operating said lock of said second gas spring means in any relative rocking position of said seat portion with respect to said leg portion. 3. A chair as claimed in claim 1, wherein said lever is movable in two perpendicularly intersecting planes to operate separately said two locks. 4. A chair as claimed in claim 1, wherein said seat portion comprises a seat and a back fixed with respect to said seat. 5. A chair as claimed in claim 4, wherein said seat portion further comprises a frame attached to said seat, said lever being mounted on said frame. 6. A chair as claimed in claim 5, wherein said circular arc surface is on said leg portion, said frame has an intermediate portion, and said element comprises rollers in rolling contact with said circular arc surface. 7. A chair as claimed in claim 1, wherein said circular arc surface is defined by a pair of spaced circular rods having an arcuate configuration, and said element comprises rollers guided between said pair of rods. 8. A chair as claimed in claim 1, wherein said circular arc surface is defined by a pair of arcuate rails, and said element comprises rollers guided between said rails. 9. A chair as claimed in claim 1, wherein said seat portion comprises a frame, said lever is mounted on said frame, said actuating means further comprises a rod slidably extending through said frame, a first end of said rod is operated by said lever to extend said rod through said frame, said arcuate member is connected to a second end of said rod, and said arcuate member has a dimension sufficient to operate said lock of said second gas spring means in any possible relative rocking position of said frame with respect to said leg portion.

이 특허에 인용된 특허 (2) 인용/피인용 타임라인 분석

Ferro ; Arthur Charles, Adjustable chair.
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이 특허를 인용한 특허 (73) 인용/피인용 타임라인 분석

Dauphin Elke (Offenhausen bei Nuremberg DEX), Activating device for the release tappet of a longitudinally adjustable gas spring.
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Cowan Benjamin (Montreal CAX) Kmicikiewicz Marek (Montreal CAX), Adjustable chair.
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Dalebout William T. (Logan UT) Measom S. Ty (Logan UT) Watterson Scott R. (Logan UT), Adjustable incline system for exercise equipment.
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Kumar, Pavan Kumar Krishna; Hosmani, Mahesh Virupaxi; Kozhipuram, Akhil Rajagopal; Ross, David A.; Brodish, Troy, Adjustable seat assembly.
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Watterson Scott R. (Logan UT) Dalebout William T. (Logan UT) Miller Frank Troy (Logan UT), Cabinet treadmill.
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Sheehan Kelly J. (Minnetonka MN) Woggon Dennis A. (Rice MN), Continually positionable chair with adjustable lumbar support.
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Allard Peter B. ; Hockenberry Jack K. ; Sweere Harry C., Dynamic posture chair.
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Krehm, legal representative,Jonathan; Joel, legal representative,Peter Jonathan; Cowan, legal representative,Michael; Kmicikiewicz,Marek; Cowan,Benjamin, Ergonomic chair.
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Mller Anders (Kullvgen 1 S-135 53 TyresSEX), Examination chair for placing a patient in desired positions for E.G. radiological examination.
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Lu, Zhi; Danowski, Thomas J.; Termion, Mark C., Exercise assemblies having crank members with limited rotation.
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Lu, Zhi; Clayton, Gary Scott; Termion, Mark C., Exercise assemblies having foot pedal members that are movable along user defined paths.
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Lu, Zhi; Kreuger, William James; DeKnock, Byron T.; Clayton, Gary Scott, Exercise assemblies having linear motion synchronizing mechanism.
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Dalebout William T. (1770 E. 1730 North North Logan UT 84321) Law Greg W. (578 Maple Dr. Smithfield UT 84335), Inclination mechanism for a treadmill.
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Coody Bruce F. ; Coburn Thomas C., Powered folding treadmill apparatus and method.
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Ruble Harold P. (Deerfield MI), Reclining and rocking office chair.
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Nathaniel Smith, Reclining chair.
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Markus Isidoro N. (65-36 99th St. (1E) Rego Park NY 11374), Reclining chair having suspended seating.
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Watterson Scott R. ; Dalebout William T. ; Armstrong Timothy O., Reorienting treadmill with lift assistance.
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Trevino,Richard W.; Smith,Bradley J., Treadmill.
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Kuo, Hai Pin; Piaget, Gary D., Treadmill having dual treads for stepping exercises.
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Watterson, Scott R., Weight platform treadmill.
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Beumer,Stefanus Theodorus A. G., Wheelchair having a pivot provision adjacent the knee of a user.
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Maxwell Donald J. (Lincoln NE), Worker support apparatus.
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[미국특허] Rocking movable chair 원문보기