[특허]Transportation device with pivoting axle

[미국특허] Transportation device with pivoting axle 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A63C-017/04 A63C-017/00 A63C-017/01 A63C-017/14
출원번호	US-0251340 (2014-04-11)
등록번호	US-9339720 (2016-05-17)
발명자 / 주소	Kortschot, Mark Timothy
출원인 / 주소	LEVERAGE DESIGN LTD.
대리인 / 주소	Knobbe Martens Olson and Bear LLP
인용정보	피인용 횟수 : 1 인용 특허 : 51

초록

Devices and methods of transport are disclosed. Various embodiments include structural aspects related to steering and changing the direction of conveyances including features which utilize leaning or shifting of weight as part of turning.

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1. A transportation device comprising: a platform comprising an upper ride surface the platform having a longitudinal length a forward portion and a rearward portion, the forward portion defining a first height and the rearward portion defining a second height higher than the first height;a pair of wheels adjacent the forward portion of the platform and one wheel adjacent the rearward portion;an axle extending between the pair of wheels and located in an axle mounting system coupled to the platform;wherein the axle mounting system comprises an axle bearing surface and a pivot member;a brake mechanism coupled to the platform;wherein the platform has a recess in the platform adjacent the rearward portion and the brake mechanism comprises a first brake portion extending through the recess and a second brake portion adjacent the rear wheel;wherein the pivot member creates a pivot about which the axle can pivot to turn the device and the axle bearing surface extends transversely to said length and provides a surface that supports the axle during said pivoting of the axle and turning of the device. 2. The device of claim 1, wherein the axle bearing surface supports the axle adjacent each of the pair of wheels. 3. The device of claim 1, wherein the axle bearing surface comprises a curved portion. 4. The device of claim 1, wherein the axle bearing surface comprises two or more substantially planar portions. 5. The device of claim 1, wherein the brake mechanism is rotatably supported by the platform and comprises a contact portion and an actuation portion, the contact portion being configured to selectively contact the wheel adjacent the rear portion. 6. The device of claim 5, wherein the brake mechanism is biased toward a position in which the contact portion contacts the wheel when a user's foot is not on the platform. 7. A device for transportation comprising: a body having a deck and a recess in an upper surface of the deck, the deck being configured to support a user, the deck extending in the direction of travel of the device, the deck having a forward portion and a rearward portion;a pair of wheels adjacent the forward portion and at least one wheel adjacent the rearward portion;an axle extending between the pair of wheels and located in an axle mounting system coupled to the deck;a brake mechanism coupled to the deck and comprising a contact portion and an actuation portion, the actuation portion accessible to the foot of a user through the recess, the brake mechanism having a first position in which the contact portion exerts a force on the at least one wheel adjacent the rear portion and a second position in which the contact portion does not contact the at least one wheel adjacent the rear portion, the brake mechanism being biased toward the first position;the axle mounting system comprising a first bearing surface and a second bearing surface extending in a direction substantially parallel to the axle, the first and second bearing surfaces being inclined with respect to the deck, the second bearing surface comprising a pivot member about which the axle can pivot to provide a turning function for the device;wherein the first bearing surface provides a surface that supports the axle during pivoting of the axle and turning of the device. 8. The device of claim 7, wherein at least a portion of the brake mechanism is located in the recess. 9. The device claim 7, wherein the axle has a length and the first bearing surface has a length substantially the same as that of the length of the portion of the axle between the pair of wheels. 10. The device of claim 7, wherein the pivot member comprises a portion having a substantially triangular cross-section. 11. The device of claim 7, wherein the pivot member is curved. 12. The device of claim 7, wherein the deck is configured to accommodate one foot of an intended user flat on the deck. 13. A device for transportation comprising: a platform comprising a ride surface having a forward portion and a rearward portion and a recess in the ride surface adjacent the rearward portion, the platform having a length extending in a riding direction;a pair of wheels adjacent the forward portion and one wheel adjacent the rearward portion;a brake adjacent the rear wheel, the brake comprising a wheel contacting portion and a foot contacting portion located in the recess, wherein the brake has a first state in which the wheel contacting portion causes a braking effect on the rear wheel and a second state in which the contacting portion does not cause a braking effect on the rear wheel, and application of force to the foot contacting portion causes a transition from the first state to the second state, the brake further comprising a biasing element tending to bias the brake toward the first state. 14. The device of claim 13, further comprising a pivot around which the brake pivots. 15. The device of claim 13, wherein a portion of the brake is integral to the platform. 16. The device of claim 13, further comprising a spring, the spring exerting a force on the brake to bias the brake away from the second state and toward the first state.

이 특허에 인용된 특허 (51) 인용/피인용 타임라인 분석

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Schmidt ; Jr. Ernest J. (Kalamazoo MI) Rinehart Michael G. (Kalamazoo MI) Blevins Bascom D. (Portage MI), Skateboard.
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Grossman Richard D. (20519 Moberly Pl. Canoga Park CA 91311), Skateboard assembly.
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Bayer Arthur J. (412 N. Curry Carson City NV 89701) Schwarzer Henry (2815 Baker Drive Carson City NV 89701), Skateboard braking method and apparatus.
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Brooks Paul F. (708 E. 8125 South Sandy UT 84094), Skateboard steering mechanism.
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Kortschot, Mark T., Transportation device with pivoting axle.
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Creason Dale L. (8628 Pigion Pass Rd. Moreno Valley CA 92360), Wheeled ski simulator.
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Kay Albert R., Wheeled vehicle with control system.
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이 특허를 인용한 특허 (1) 인용/피인용 타임라인 분석

Kortschot, Mark Timothy, Transportation device with pivoting axle.
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[미국특허] Transportation device with pivoting axle 원문보기

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[미국특허] Transportation device with pivoting axle 원문보기

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이 특허에 인용된 특허 (51) 인용/피인용 타임라인 분석

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