[특허]Collapsible upright wheeled walker apparatus

[미국특허] Collapsible upright wheeled walker apparatus 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61H-003/04 A61H-003/00
출원번호	US-0415769 (2017-01-25)
등록번호	US-10085909 (2018-10-02)
발명자 / 주소	Fellingham, Peter James Pan, Yichuan Purcell, David A Sataric, Nebojsa
출원인 / 주소	Protostar, Inc., a Delaware Corporation
대리인 / 주소	Stetina Brunda Garred & Brucker
인용정보	피인용 횟수 : 0 인용 특허 : 47

초록 ▼

A collapsible upright wheeled walker with adjustable armrests that support sufficient user upper-body weight to facilitate a natural upright gait and provide unassisted mobility for a wide range of mobility-impaired individuals. The apparatus may be easily and quickly folded (and unfolded) and may include bilateral stabilizing wheel suspensions to facilitate navigation over uneven terrain. The apparatus includes a frame-stiffening folder assembly and may also include mechanical brakes, an adjustable upper armrest assembly with removable padded forearm supports and two pairs of handles, at least one of which is disposed sufficiently forward to place the user within the polygonal footprint defined by the front and rear wheels to provide support without leaning, stooping, or risking falls.

대표청구항 ▼

1. A collapsible upright wheeled walker apparatus for augmenting an upright partially-supported walking gait on a walking surface for an unassisted user having one or more hands and forearms, the apparatus comprising: a frame having two frame sides each having a top and a bottom and each frame side being disposed between a front frame portion and a rear frame portion;a plurality of wheel assemblies coupled to the frame for supporting the frame above the walking surface and disposed at the vertices of a polygonal footprint on the walking surface within which the user walks during use;an X-folder apparatus including an anterior element having two ends and a posterior element having two ends, wherein the anterior element is rotatably coupled to the posterior element,a first anterior element end is coupled to a first frame side and the second anterior element end is rotatably coupled to an anterior arm having a distal end that is coupled to the second frame side such that rotation of the anterior element in one direction with respect to the anterior arm is limited to an anterior over-center angle, anda first posterior element end is coupled to the second frame side and the second posterior element end is rotatably coupled to a posterior arm having a distal end that is coupled to the first frame side such that rotation of the posterior element in one direction with respect to the posterior arm is limited to a posterior over-center angle;two upper supports each coupled to and disposed at an adjustable height above a respective frame side;two forearm gutters each coupled to a respective upper support for engaging and supporting one user forearm during use, wherein each forearm gutter has a centerline disposed at a first gutter angle with respect to the walking surface and at a second gutter angle with respect to the other forearm gutter centerline; andtwo upper handles each coupled to a respective upper support anterior to the respective armrest gutter for gripping by one user hand, wherein each upper handle has a centerline disposed at a forward handle angle with respect to the respective forearm gutter centerline, each upper handle being independently rotatable relative to the two forearm gutters. 2. The apparatus of claim 1 wherein: each upper handle centerline is disposed during use at a transverse handle angle with respect to a perpendicular to the walking surface. 3. The apparatus of claim 2 wherein: the transverse handle angle is adjustable to a value between substantially zero degrees and ninety degrees. 4. The apparatus of claim 1 wherein: the wheel assembly plurality includes four wheel assemblies. 5. The apparatus of claim 1 further comprising: a lower handle disposed on each frame side in the rear frame portion. 6. The apparatus of claim 1 wherein: the anterior and posterior over-center angles each have a value between substantially one degree and ten degrees. 7. The apparatus of claim 1 wherein: the first and second gutter angles each have a value between substantially ten degrees and twenty degrees. 8. The apparatus of claim 1 wherein: the forward handle angle has a value between substantially ten degrees and forty degrees. 9. The apparatus of claim 1 further comprising: a foldable support bridge with two ends each rotatably coupled to a respective upper support. 10. The apparatus of claim 1 wherein: the wheel assembly plurality includes four wheel assemblies. 11. A collapsible upright wheeled walker apparatus for augmenting an upright partially-supported walking gait on a walking surface for an unassisted user having one or more hands and forearms, the apparatus comprising: a frame having two frame sides, including a first frame side and a second frame side, each frame side having a top and a bottom and each frame side being disposed between a front frame portion and a rear frame portion;a plurality of wheel assemblies coupled to the frame for supporting the frame above the walking surface and disposed at the vertices of a quadrangular footprint on the walking surface within which the user walks during use;an X-folder apparatus coupled to the frame and including an anterior element and a posterior element rotatably coupled to the anterior element;two upper supports each coupled to and disposed at an adjustable height above a respective frame side;two forearm gutters each coupled to a respective upper support for engaging and supporting one user forearm during use, wherein each forearm gutter has a centerline disposed at a first gutter angle with respect to the walking surface and at a second gutter angle with respect to the other forearm gutter centerline; andtwo upper handles each coupled to a respective upper support anterior to the respective armrest gutter for gripping by one user hand, each upper handle being independently rotatable relative to the two forearm gutters.

이 특허에 인용된 특허 (47) 인용/피인용 타임라인 분석

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Bertani Gilbert A. (5515 Dashwood ; #79 Houston TX 77081), Assisted walking apparatus.
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Powell, Richard Randal; Powell, Johnna Dawn, Erect posture mobility device with low turn radius.
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Crnkovich,Gary M., Exercise assistance device.
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Rose Eric P. (Canoga Park CA), Foldable rolling walker.
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Uchiyama Toshifumi,JPX, Foldable walking-assistant device.
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Sisko Mike R. (408 Buttonwood St. No. Catasaqua PA 18032) Krouse Henry J. (1046 Third St. No. Catasaqua PA 18032), Forearm rests combined with an invalid walker.
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Kovachi, Peter; Mollendorf, Joseph C.; Teagarden, Roger; Heam, Chee Main, Height and width adjustable saddle sling seat walker with controllable directional tracking and optional arm supports.
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Diamond, Harvey, Lock release mechanism for foldable walkers.
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Li, Qingfeng; Liang, Sam, Magic rollator.
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Alghazi, Ahmad AlSayed M., Method of operation of a portable multifunctional mobility aid apparatus.
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Willis, Phillip Minyard, Mobile support assembly.
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Karlovich, Robert J., Mobility assistance device.
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Dashew, Stanley; Blount, Charles, Mobilizer for exercise, rehabilitation and wellness.
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Alghazi, Ahmad AlSayed M., Portable multifunctional mobility aid apparatus.
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Purwar, Anurag; Galeotafiore, Thomas; Miles, Justin; Renert, Jeffrey, Portable six-bar apparatus for lifting, lowering and self-propelled transit.
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Slomp, Flo, Posterior walker.
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Serhan, Michael; Francis, Doug, Rollator having a sit-to-lock brake.
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Rothstein, Polly; Margolis, Philip J.; Margolis, Aaron Leith; Margolis, Noah Adam, Rollator having a user-adjustable track width.
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Schaaper, Martijn; Bokma de Boer, Bauke Jan; van de Watering, Hugo, Rollator wheelchair.
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Dunlap, Thomas F., Safety braking system for a hand-pushed rollator.
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Razon, Eli, Sit down and stand up walker with seat assembly.
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Li, Dao-Chang, Stroller wheel device.
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Izard, Philippe; Escourrou, Herve, Supporting walking aid.
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Weaver, Craig E., Systems and methods for assisting a seated person to a standing position.
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Simpson, Thomas Grady, Up-right walker for supporting a patient with up-right posture.
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Shikinami, Hiroko; Onishi, Shigeru, Vehicle to assist walking.
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Kindberg,Stefan; Kuikka,Johan, WALKING FRAME.
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Karasin,Craig E.; Powers,Thomas J.; Reed,David G., Walker.
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Lutz, Katherine; Haik, Charles A., Walker device for gait training.
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Turbeville Rob (207 Dunbridge Dr. Palm Harbor FL 34684), Walker having wheels and brakes.
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Steiner, Mark; Signor, James; Heligman, Michael; Kocher, Danielle; Bellamy, Tyler E., Walker with lift-assisting seat assembly.
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Birnbaum, Bernardo, Walker with retractable wheels.
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King Lorraine (201 W. 89th St. New York NY 10024), Walking aid, particularly for handicapped persons.
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Velarde, Arvin Jay D., Walking apparatus.
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Renteria William (Lakewood CO), Walking assistance device.
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Kindberg, Stefan; Kuikka, Johan, Wheel suspension.
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Salomon, Gregg, Wheeled support cane.
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Serhan,Michael, Wheeled walker.
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VanAusdall, Jack Paul, Wrap around walking aid.
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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] Collapsible upright wheeled walker apparatus 원문보기