[특허]Dual steerable vehicle

Smart Trike MNF PTE LTD

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특허 상세정보

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내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Dual steerable vehicle

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B62K-009/02 B62K-021/24 B62B-001/12 B62H-007/00 B62J-009/00 B62K-013/00 B62M-001/38 B62K-021/02 B62K-027/00 B62K-021/00 B62K-005/02 B62M-006/00 B62B-005/00 B62B-007/12
출원번호	US-0658099 (2015-03-13)
등록번호	US-9150273 (2015-10-06)
발명자 / 주소	Baron, Yoram
출원인 / 주소	Smart Trike MNF PTE LTD
대리인 / 주소	Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 44

초록

A tricycle may be operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle. In both such first and second modes, the frame of the tricycle is configured to rotatably support the rear wheels and configured to support the head tube at a distance from the rear wheels such that a distance between the head tube and rear wheels need not necessarily be changed even when the front wheel axis location is changed from one mode to another.

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1. A tricycle operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle, the tricycle comprising: a pair of rear wheels;a front wheel having opposing sides and a front wheel axis;a head tube;a frame configured to rotatably support the rear wheels and configured to support the head tube at a distance from the rear wheels;a pair of pedals, each pedal configured for connection about the front wheel axis to rotate the front wheel;a fork having at least one blade configured to support the front wheel in a manner permitting the front wheel to rotate about the front wheel axis;a stem configured to extend from the head tube, wherein the stem includes a rod having a minimum diameter that is at least three times smaller than a width of the front wheel;a rider handle, configured to turn the fork about a stem axis extending transverse to the front wheel axis, the rider handle in the first mode, being configured to be rotationally coupled with the fork in a manner permitting a tricycle rider to exert forces on the rider handle and thereby turn the fork, and the rider handle in the second mode, where the stem axis leads the front wheel axis, being configured to be rotationally uncoupled from the fork, preventing forces on the rider handle from turning the fork and permitting the individual pushing the tricycle to turn the fork via a pushing force; andwherein there is an offset distance between the stem axis and the front wheel axis of between 15 mm and 40 mm. 2. The tricycle of claim 1, wherein the fork includes two blades configured to rotatably support the front wheel therebetween. 3. The tricycle of claim 1, wherein the rider handle is configured to be uncoupled from the fork via a manually activatable release mechanism. 4. The tricycle of claim 3, wherein the rider handle is configured to be coupled to the fork via a snap-in-place mechanism. 5. The tricycle of claim 1, further comprising a coupling mechanism associated with the fork, for permitting an operator to selectively couple and uncouple a rotational connection between the rider handle and the fork. 6. The tricycle of claim 5, wherein the coupling mechanism is configured such that in the second mode, the rider handle is freely rotatable independent of the fork, and in the first mode the rider handle is locked to the fork for rotation with the fork. 7. The tricycle of claim 1, wherein the rod is a metal rod that has a minimum diameter that is at least four times smaller than the width of the front wheel. 8. The tricycle of claim 1, further including a parental handle extending from a rear portion of the tricycle and permitting the tricycle to be pushed and steered from behind. 9. A tricycle operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle, the tricycle comprising: a pair of rear wheels;a front wheel having opposing sides and a front wheel axis;a head tube;a seat;a frame configured to support the head tube at a fixed, non-adjustable distance from the rear wheels;a pair of pedals, each pedal configured for connection about the front wheel axis to rotate the front wheel;a fork having at least one blade configured to support the front wheel in a manner permitting the front wheel to rotate about the front wheel axis;a stem configured to extend from the head tube;a rider handle, configured to turn the fork about a stem axis transverse to the front wheel axis, the rider handle, in the first mode, being configured to be rotationally coupled with the fork in a manner permitting a tricycle rider to exert forces on the rider handle and thereby turn the fork, and the rider handle in the second mode, where the stem axis leads the front wheel axis, being configured to be rotationally uncoupled from the fork, preventing forces on the rider handle from turning the fork and permitting the individual pushing the tricycle to turn the fork via pushing force. 10. The tricycle of claim 9, wherein an offset distance between the stem axis and the front wheel axis is between 15 mm and 40 mm. 11. The tricycle of claim 9, wherein the stem has a minimum diameter that is at least three times smaller than the width of the front wheel. 12. The tricycle of claim 9, wherein the stem has a minimum diameter that is at least four times smaller than the width of the front wheel. 13. The tricycle of claim 9, wherein the handle is configured to be uncoupled from the fork via a manually activatable release mechanism. 14. The tricycle of claim 13, wherein the handle is configured to be coupled to the fork via a snap-in-place mechanism. 15. The tricycle of claim 9, wherein the pedals are configured for selective rotational engagement and rotational disengagement from the front wheel, thereby allowing rotation of the front wheel. 16. A tricycle operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle, the tricycle comprising: a frame having a head tube at a forward end thereof;a pair of rear wheels for rotatable connection to the frame;a front wheel having a front wheel axis;a pair of pedals, each pedal configured to rotate the front wheel;a fork having at least one blade configured to support the front wheel in a manner permitting the front wheel to rotate about the front wheel axis;a stem extending from the fork, wherein the stem is configured to rotate 360 degrees within the head tube without restriction, and wherein the stem and the fork are configured such that there is an offset between the front wheel axis and an axis of rotation of the stem through the head tube; anda rider handle configured for selective operation between the first mode and the second mode, wherein, in the first mode, the rider handle is rotationally locked to the stem in a manner such that the front wheel axis leads the axis of rotation of the stem through the head tube, and wherein in a second mode, the handle is rotationally decoupled from the stem, to enable the front wheel axis to trail the axis of rotation of the stem through the head tube regardless of whether the rider is grasping the handle. 17. The tricycle of claim 16, wherein the handle is configured to be uncoupled from the stem via a manually activatable release mechanism. 18. The tricycle of claim 16, further comprising a coupling mechanism associated with the stem, for permitting an operator to selectively couple and uncouple a rotational connection between the handle and the stem. 19. The tricycle of claim 18, wherein the coupling mechanism is configured such that in the second mode, the rider handle is freely rotatable independent of the stem, and in the first mode the rider handle is locked to the stem for rotation with the stem. 20. The tricycle of claim 16, wherein the pedals are configured for selective rotational engagement and rotational disengagement from the front wheel. 21. The tricycle of claim 16, further including a footrest connected to the frame. 22. A tricycle operable between a first mode of operation steerable by a tricycle rider, and a second mode of operation steerable by an individual pushing the tricycle, the tricycle comprising: a frame having a head tube at a forward end thereof;a pair of rear wheels for rotatable connection to the frame;a front wheel having a front wheel axis;a pair of pedals, each pedal configured to rotate the front wheel;a fork having at least one blade configured to support the front wheel in a manner permitting the front wheel to rotate about the front wheel axis;a stem extending from the fork, wherein the stem is configured to rotate 360 degrees within the head tube without restriction, and wherein the stem and the fork are configured such that there is an offset between the front wheel axis and an axis of rotation of the stem through the head tube; anda rider handle configured for selective operation between the first mode and the second mode, wherein, in the first mode, the rider handle is rotationally locked to the stem, and wherein in a second mode, the handle is rotationally decoupled from the stem, to enable the front wheel axis to trail the axis of rotation of the stem through the head tube regardless of whether the rider is grasping the handle. 23. The tricycle of claim 22, wherein the handle is configured to be uncoupled from the stem via a manually activatable release mechanism. 24. The tricycle of claim 22, further comprising a coupling mechanism associated with the stem, for permitting an operator to selectively couple and uncouple a rotational connection between the handle and the stem. 25. The tricycle of claim 22, wherein the coupling mechanism is configured such that in the second mode, the rider handle is freely rotatable independent of the stem, and in the first mode the rider handle is locked to the stem for rotation with the stem.

이 특허에 인용된 특허 (44)

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Dual steerable vehicle

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Dual steerable vehicle

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이 특허에 인용된 특허 (44)

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