[특허]Three-wheeled rear-steering scooter

[미국특허] Three-wheeled rear-steering scooter 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62K-005/08 B62K-003/00 B62K-005/02 B62K-005/027 B62M-006/00 B62K-005/06
출원번호	US-0357813 (2016-11-21)
등록번호	US-9937974 (2018-04-10)
발명자 / 주소	Wernli, Bradley E.
출원인 / 주소	SBYKE USA LLC
대리인 / 주소	Stetina Brunda Garred and Brucker
인용정보	피인용 횟수 : 0 인용 특허 : 44

초록 ▼

A three wheeled scooter comprises a chassis having forward and aft ends with a front wheel non-pivotally mounted to the forward end and a pair of rear wheels coaxially mounted to the aft end. The chassis defines a longitudinal axis and includes a support assembly and a handle assembly extending upwardly from the support assembly. The rear wheels are configured to be angularly yawable relative to the longitudinal axis between a neutral position and a yawed position. Steering of the scooter is thereby effectuated by angular yawing of the rear wheels relative to the longitudinal axis such as by asymmetric loading of one of opposing sides of the support assembly.

대표청구항 ▼

1. A three-wheeled scooter, comprising: a chassis having forward and aft ends and defining a longitudinal axis;a front wheel non-pivotally mounted to the forward end; anda pair of rear wheels coaxially mounted to the aft end and being yawable relative to the longitudinal axis between a neutral position and a yawed position wherein the pair of rear wheels remains coaxial between the neutral position and the yawed position. 2. A three-wheeled scooter, comprising: a chassis;a front wheel coupled to the chassis and rotatable about a front wheel axis; anda pair of rear wheels coaxially mounted to the chassis and rotatable about a rear wheel axis, the pair of rear wheels being transitional relative to the chassis between a neutral position and a yawed position, wherein the rear wheel axis moves relative to the chassis and the pair of rear wheels remain coaxially mounted to the chassis as the pair of rear wheels transition between the neutral position and the yawed position. 3. The three-wheeled scooter of claim 2, wherein the chassis includes a forward portion and a rear portion, the front wheel being connected to the forward portion and the pair of rear wheels being connected to the rear portion, the chassis defining a longitudinal axis extending from the forward portion to the rear portion, the rear wheel axis being perpendicular to the longitudinal axis when the pair of rear wheels are in the neutral position, the rear wheel axis being non-perpendicular to the longitudinal axis when the pair of rear wheels are in the yawed position. 4. The three-wheeled scooter of claim 2, wherein the chassis includes a handle grip sized and positioned to allow for gripping thereof by a user's hand. 5. The three-wheeled scooter of claim 4, wherein the chassis includes a foot support sized and positioned to allow the user to stand thereon. 6. The three-wheeled scooter of claim 5, wherein the foot support is pivotable relative to the handle grip. 7. The three-wheeled scooter of claim 2, further comprising a biasing member operatively coupled to the pair of rear wheels and operative to bias the pair of rear wheels toward the neutral position. 8. The three-wheeled scooter of claim 7, wherein the biasing member is operative to increase a biasing force applied to the pair of rear wheels as the pair of rear wheels transition away from the neutral position toward the yawed position. 9. The three-wheeled scooter of claim 2, wherein a diameter of the front wheel is greater than a diameter of the pair of rear wheels. 10. The three-wheeled scooter of claim 9, wherein the diameter of the front wheel is between six to ten times larger than the diameter of the pair of rear wheels. 11. The three-wheeled scooter of claim 2, wherein the rear wheel axis is parallel to the front wheel axis when the pair of rear wheels are in the neutral position and the rear wheel axis is non-parallel to the front wheel axis when the pair of rear wheels are in the yawed position. 12. The three-wheeled scooter of claim 2, wherein the chassis includes a front fork connected to the front wheel. 13. A scooter comprising: a down tube extending along a down tube axis;a non-pivotal front wheel connected to the down tube and rotatable about a front wheel axis, the front wheel axis being fixed relative to the down tube axis wherein a diameter of the front wheel is greater than a diameter of the at least one rear wheel;a support coupled to the down tube and sized to allow a user to stand thereon; andat least one rear wheel coupled to the support and transitional relative thereto between a first position and a second position, the at least one rear wheel being rotatable about a rear wheel axis, the rear wheel axis being generally parallel to the front wheel axis in the first position, and non-parallel to the front wheel axis when the at least one rear wheel is in the second position. 14. The scooter of claim 13, wherein the chassis includes a handle grip sized and positioned to allow for gripping thereof by a user's hand. 15. The scooter of claim 13, further comprising a biasing member operatively coupled to the at least one rear wheel and operative to bias the at least one rear wheel toward the first position. 16. The scooter of claim 15, wherein the biasing member is operative to increase a biasing force applied to the at least one rear wheel as the at least one rear wheel transitions away from the first position toward the second position. 17. The scooter of claim 13, wherein the diameter of the front wheel is between six to ten times larger than the diameter of the at least one rear wheel. 18. The scooter of claim 13, wherein the at least one rear wheel includes a pair of rear wheels.

이 특허에 인용된 특허 (44) 인용/피인용 타임라인 분석

Kirkland Eric W. ; Bangham Lewis J. ; Hepler Brad D. ; Staples Gregory ; Renteria Theodore L., Adjustable truck assembly for skateboards.
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Kirkland, Eric W., Adjustable truck assembly for skateboards with retainer.
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Yu, Suihuai; Huang, Jinyun, Bubble-generating scooter for children.
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Eschenbach, Paul William, Exercise scooter with stunt features.
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Chang, Wen-Pin, Foldable bicycle.
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Tait ; Robert John, Motorcycle suspension.
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Tibbetts George C. (Camden ME) Madaffari Peter L. (Camden ME), Non-occludable transducers for in-the-ear applications.
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Weatherford Hugh A. (1216 Rodgers Dr. Tarboro NC 27886), Occupant propelled multi-speed three-wheel vehicle.
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Kirkpatrick,James R.; McDonald,Joshua D., Personal transport vehicle system and method.
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Shanahan Thomas A. (Atascadero CA), Power accessory for skateboard.
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Brooks ; Bertram ; Speed ; Eugene, Rear steering toy wheeled vehicle.
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Nielsen ; Jr. Anker J. (410 Bailey Rd. Holden MA 01520), Recreational and sporting device.
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Davenport James M. (28212 Bluebell Dr. Laguna Niguel CA 92677), Recreational cycle.
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Bangle Roger L. (26264 Orchid Drive Highland CA 92346), Removable skateboard handle post.
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Cummings Darold B. (18720 Kornblum Ave. Torrance CA 90504), Scooter.
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Cummings Darold B. (5320 W. 124th Pl. Hawthorne CA 90250), Scooter.
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Hinderhofer Jurgen (Engelgasse 6 88400 Biberach DEX), Scooter.
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Kettler Heinz,DEX, Scooter.
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Cummings Darold B. (18720 Kornblum Ave. Torrance CA 90504), Scooter frame.
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Chen, Shane, Side movement propelled recreational device having extended rear support.
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Chern Jiuun F. (No. 31 ; Lane 40 ; Pei-Yang Rd. Feng-Yun City ; Taichung Hsien TWX), Skate bike.
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Tilch Gerhard (Schweinfurt DEX) Friedrich Wolfgang (Schweinfurt DEX) Dobhan Herbert (Bergrheinfeld DEX) Hetterich Hermann (Heidenfeld DEX) Horling Peter (Mainberg DEX) Finzel Sigismund (Dittelbrunn D, Skateboard.
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Ibarra Jorge L., Skateboard-bicycle combination.
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De Courcey Milne John (6/39 Grosvenoer Street Balmoral ; Queensland ; 4171 AUX), Sports conveyance.
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Mulcahy Kevin M. (3703 Wild Orchard La. Ft. Pierce FL 33450), Steering mechanism for three-wheeled vehicles.
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Fehn ; Jr. Albert Lucien, Suspension for a skateboard.
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Wernli, Bradley E., Three-wheeled rear-steering scooter.
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Wernli, Bradley E., Three-wheeled rear-steering scooter.
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Wernli, Bradley E., Three-wheeled rear-steering scooter.
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Wernli, Bradley E., Three-wheeled rear-steering scooter.
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Wernli, Bradley E., Three-wheeled rear-steering scooter.
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Wernli, Bradley E., Three-wheeled rear-steering scooter.
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Greene, Jr., H. Peter; Clark, Jr., Leonard R., Three-wheeled vehicle.
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Bourne ; Jr. Maurice W. (Rte. 1 Marquez TX 77865), Three-wheeled vehicle with controlled wheel and body lean.
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Skolnik Arthur M. (612 - 36th Ave. Seattle WA 98122), Toy vehicle.
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Pin-Chieh Feng TW, Tricycle.
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Pinchock Donald E. (Blairsville PA), Truck assembly for a skate-like device.
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Finkle Louis J., Truck assembly for skateboards.
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Chen,Shane, Turnable wheeled skate.
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Robb Scott B., Universal joint assembly protected by a boot.
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Lee,Guang Gwo, Wheel holder assembly for a skateboard.
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Hopkins Grant (Walla Walla WA), Wheeled vehicle.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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[미국특허] Three-wheeled rear-steering scooter 원문보기