Stroller for a child which is convertible into bicycle trailer
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B62B-007/12
B62B-001/00
B62K-027/00
B62B-007/04
B62B-009/20
출원번호
US-0780178
(2014-03-28)
등록번호
US-9669859
(2017-06-06)
우선권정보
FR-13 52840 (2013-03-28)
국제출원번호
PCT/EP2014/056378
(2014-03-28)
국제공개번호
WO2014/154903
(2014-10-02)
발명자
/ 주소
Hansen, Claire
Chiffoleau, Vincent
Durand, Baptiste
Zweideck, Bruno
출원인 / 주소
Dorel Juvenile Group, Inc.
대리인 / 주소
Barnes & Thornburg LLP
인용정보
피인용 횟수 :
0인용 특허 :
8
초록▼
A juvenile stroller includes a seat, wheels, and a push handle. The push handle is mounted for pivoting movement about an axis relative to the seat. The push handle pivots between a stroller position and a trailer position. Movement of the push handle to the trailer position corresponds to a front w
A juvenile stroller includes a seat, wheels, and a push handle. The push handle is mounted for pivoting movement about an axis relative to the seat. The push handle pivots between a stroller position and a trailer position. Movement of the push handle to the trailer position corresponds to a front wheel or wheels movement to a stowed position.
대표청구항▼
1. Stroller for a child comprising a chassis carrying at least one seat and a handle unit, wherein the handle unit includes a front-wheel unit including a front wheel or wheels, and a handlebar including an upper end configured to provide a gripping area, a lower end coupled to the front-wheel unit,
1. Stroller for a child comprising a chassis carrying at least one seat and a handle unit, wherein the handle unit includes a front-wheel unit including a front wheel or wheels, and a handlebar including an upper end configured to provide a gripping area, a lower end coupled to the front-wheel unit, and a middle portion mounted on the at least one seat for pivotable movement about a horizontal pivot axis,and wherein the handle unit is tiltable between a stroller position, wherein said gripping area makes it possible to guide and move said stroller, and a trailer position, wherein the gripping area of the handlebar can be secured to a bicycle to provide a bicycle trailer, andwherein the chassis carries at least one seat, and in that in the stowed position, the front wheel or wheels are moved directly under a seat portion the at least one seat carried by said chassis. 2. Stroller according to claim 1, wherein the front wheel or wheels are carried by two front shafts extending in the extension of two uprights of the handlebar, said front shafts tilting simultaneously with said uprights. 3. Stroller according to claim 2, characterised in that, on each side of said stroller, a front shaft and an upright form the same part. 4. Stroller according to claim 2, wherein a length of the front shafts represents between 25 and 35% of a length of said uprights. 5. Stroller according to claim 1, characterised in that the chassis, or said at least one seat carried by said chassis, carries two hinging nodes, allowing for said tilting. 6. Stroller according to claim 5, characterized in that at least one of said nodes carries means for blocking, able to maintain said handlebar in the stroller position and/or in the trailer position. 7. Stroller according to claim 6, further comprising means for unlocking, making it possible to release the means for blocking or the elements for locking for tilting the handlebar, comprising an unlocking control mounted on the backrest of said seat and at least one transmission cable. 8. Stroller according to claim 1, further comprising, in the vicinity of the front wheel or wheels, a first element for locking, able to cooperate respectively within the stroller position, a second complementary element for locking mounted in the vicinity of a footboard secured to the seat, and in the trailer position, a third additional element for locking mounted in the vicinity of a lower portion of a backrest of the seat. 9. Stroller according to claim 1, wherein the at least one seat carries the handlebar and/or bases of a rear wheel. 10. A mobile child transport unit comprising a rolling frame including a left rear wheel and a right rear wheel,a juvenile seat mounted on the rolling frame to roll therewith and configured to include a seat bottom and a seat back extending upwardly from the seat bottom, anda tiltable handle unit including a hand grip, a front-wheel unit including a front wheel, and a handlebar including an upper end coupled to the handgrip, a lower end coupled to the front-wheel unit, and a middle portion mounted on the juvenile seat for pivotable movement about a horizontal pivot axis from a rearwardly extending stroller position wherein the seat back is located between the handgrip and the front-wheel unit to position the front wheel in an extended position away from the left and right rear wheels and in rolling engagement with ground underlying the juvenile seat during rolling movement of the left and right rear wheels on the ground and to position the handgrip behind the seat back to locate the seat back between the handgrip and the seat bottom so as to establish a stroller mode of the mobile child transport unit to a forwardly extending bicycle-trailer position wherein the front wheel is located under the seat bottom in an elevated position above and in spaced-apart disengaged relation to the ground during rolling movement of the left and right wheels on the ground and to position the handgrip in front of the seat back to locate the seat bottom between the handgrip and the left and right rear wheels to establish a trailer mode of the mobile child transport unit. 11. The transport unit of claim 10, wherein the handlebar of the tiltable handle unit is oriented to extend in a negatively sloping direction to locate the handgrip behind the seat back upon movement of the handle unit about the horizontal pivot axis to assume the rearwardly extending stroller position and the handlebar of the tiltable handle unit is oriented to extend in a positively sloping direction to locate the handgrip in front of the seat back upon movement of the handle unit about the horizontal pivot axis to assume the forwardly extending bicycle-trailer position. 12. The transport unit of claim 11, wherein the front wheel is arranged to lie in a space provided between the left and right rear wheels upon movement of the handle unit about the horizontal pivot axis to assume the forwardly extending bicycle-trailer position. 13. The transport unit of claim 11, wherein the juvenile seat further includes a footrest arranged to lie below the seat bottom to locate the seat bottom between the footrest and the seat back, the front wheel is arranged to lie behind the footrest upon movement of the tiltable handle unit about the horizontal pivot axis to assume the forwardly extending bicycle-trailer position, and the front wheel is arranged to lie in front of the footrest upon movement of the tiltable handle unit about the horizontal pivot axis to assume the rearwardly extending stroller position. 14. The transport unit of claim 13, wherein the horizontal pivot axis is arranged to lie below the seat bottom and above the footrest. 15. The transport unit of claim 13, wherein the handlebar of the tiltable handle unit includes a left-side portion arranged to extend from the handgrip to the front-wheel unit and lie along a left side of the juvenile seat and a right-side portion arranged to extend from the handgrip to the front-wheel unit and lie along a right side of the juvenile seat and each of the left-side and right-side portions includes a lower segment arranged to extend from the horizontal pivot axis to the front-wheel unit and a relatively longer upper segment arranged to extend from the horizontal pivot axis to the handgrip. 16. The transport unit of claim 15, wherein each of the lower segments has a length that represents 25 percent to 35 percent of a length of a companion upper segment. 17. The transport unit of claim 10, wherein the handgrip and the handlebar cooperate to form means for pushing the juvenile seat in a forward direction with the front wheel leading the left and right rear wheels in response to application of a pushing force in the forward direction to the handgrip when the handlebar occupies the rearwardly extending stroller position and for pulling the juvenile seat in the forward direction after the front wheel has been moved to assume the elevated position in response to application of a pulling force in the forward direction to the handgrip when the handlebar occupies the forwardly extending bicycle-trailer position. 18. The transport unit of claim 10, wherein the handlebar is arranged to be pivoted about the horizontal pivot axis through an angle of about 90° to move the handlebar from the rearwardly extending stroller position to the forwardly extending bicycle-trailer position while a child is seated on the juvenile seat. 19. The transport unit of claim 10, further comprising a rotation-blocker lock coupled to the middle portion of handlebar and to the juvenile seat to block rotation of the middle portion of the handlebar relative to the juvenile seat about the horizontal pivot axis and release means for unlocking the rotation-blocker lock to allow rotation of the middle portion of the handlebar about the horizontal pivot axis, wherein the release means comprises a lock controller mounted on the seat back and a cable arranged to interconnect the lock controller and the rotation-blocker lock. 20. The transport unit of claim 10, further comprising rotation-blocker means for blocking pivoting movement of the handlebar about the horizontal pivot axis and retaining the handlebar in a selected one of the rearwardly extending stroller position and the forwardly extending position. 21. The transport unit of claim 20, wherein the rotation-blocker means comprises a first element coupled to the handlebar to pivot therewith about the horizontal pivot axis, a second element coupled to a rearward portion of the juvenile seat and configured to lock automatically with the first element to retain the handlebar in the forwardly extending bicycle-trailer position upon arrival of the handlebar at the forwardly extending bicycle-trailer position, and a third element coupled to a forward portion of the juvenile seat and configured to lock automatically with the first element to retain the handlebar in the rearwardly extending stroller position upon arrival of the handlebar at the rearwardly extending stroller position. 22. The transport unit of claim 21, further comprising release means for unlocking the first element from the second element to free the handlebar for pivoting movement about the horizontal pivot axis from the forwardly extending bicycle-trailer position to the rearwardly extending stroller position and for unlocking the first element from the third element to free the handlebar for pivoting movement about the horizontal pivot axis from the rearwardly extending stroller position to the forwardly extending bicycle-trailer position. 23. The transport unit of claim 22, wherein the release means comprises a lock controller mounted on the seat back and a cable arranged to interconnect the lock controller and the first element. 24. The transport unit of claim 10, further comprising means for fastening the handgrip of the tiltable handle unit to a bicycle while the handlebar occupies the forwardly extending bicycle-trailer position so that the juvenile seat is supported for rolling movement by the left and right rear wheels and the front wheel is retained in the elevated position above and in spaced-apart disengaged relation to the ground. 25. A mobile child transport unit comprising a rolling frame including a left rear wheel and a right rear wheel,a juvenile seat mounted on the rolling frame to roll therewith and configured to include a seat bottom and a seat back extending upwardly from the seat bottom, anda tiltable handle unit including a hand grip, a front-wheel unit including a front wheel, and a handlebar,wherein the seat back is located between the handgrip and the front-wheel unit to position the front wheel in an extended position away from the left and right rear wheels and in rolling engagement with ground underlying the juvenile seat during rolling movement of the left and right rear wheels on the ground and to position the handgrip behind the seat back to locate the seat back between the handgrip and the seat bottom so as to establish a stroller mode of the mobile child transport unit to a forwardly extending bicycle-trailer position wherein the front wheel is located under the seat bottom in an elevated position above and in spaced-apart disengaged relation to the ground during rolling movement of the left and right wheels on the ground and to position the handgrip in front of the seat back to locate the seat bottom between the handgrip and the left and right rear wheels to establish a trailer mode of the mobile child transport unit,wherein the handlebar of the tiltable handle unit includes a left-side portion arranged to extend from the handgrip to the front-wheel unit and lie along a left side of the juvenile seat and a right-side portion arranged to extend from the handgrip to the front-wheel unit and lie along a right side of the juvenile seat and each of the left-side and right-side portions includes a lower segment arranged to extend between the horizontal pivot axis to the front-wheel unit, a relatively longer upper segment arranged to extend between the horizontal pivot axis to the handgrip, and a hinging node arranged to interconnect the companion lower and upper segments,wherein a left hinging node included in the left-side portion of the handlebar is arranged to extend along the horizontal pivot axis and is coupled to the juvenile seat and to each of the lower and upper segments of the left-side portion and a right hinging node included in the right-side portion of the handlebar is arranged to extend along the horizontal pivot axis and is coupled to the juvenile seat and to each of the lower and upper segments of the right-side portion, andwherein each hinging node comprises a fixed portion coupled to the juvenile seat and a companion mobile portion mounted on the fixed portion for rotation about the horizontal pivot axis and coupled to the companion lower and upper segments. 26. Stroller for a child comprising a chassis carrying at least one seat and a handle unit, wherein the handle unit includes a front-wheel unit including a front wheel or wheels, and a handlebar including an upper end configured to provide a gripping area, a lower end coupled to the front-wheel unit, and a middle portion mounted on the at least one seat for pivotable movement about a horizontal pivot axis,wherein the handle unit is tiltable between a stroller position, wherein said gripping area makes it possible to guide and move said stroller, and the front-wheel unit is in contact with the ground, and a trailer position, wherein the gripping area of the handlebar can be secured to a bicycle to provide a bicycle trailer, and the front-wheel unit is in a stowed position, not interacting with the ground in the trailer position,and wherein the at least one seat directly carries the handle unit and bases of a rear wheel. 27. Stroller for a child comprising a chassis carrying at least one seat and a handle unit, wherein the handle unit includes a front-wheel unit including a front wheel or wheels, and a handlebar including an upper end configured to provide a gripping area, a lower end coupled to the front-wheel unit, and a middle portion mounted on the at least one seat for pivotable movement about a horizontal pivot axis,wherein the handle unit is tiltable between a stroller position, wherein said gripping area makes it possible to guide and move said stroller, and the front-wheel unit is in contact with the ground, and a trailer position, wherein the gripping area of the handlebar can be secured to a bicycle to provide a bicycle trailer, and the front-wheel unit is in a stowed position, not interacting with the ground in the trailer position,and wherein the stroller further comprises, in the vicinity of the front wheel unit, a first element for locking, able to cooperate respectively within the stroller position, a second complementary element for locking mounted in the vicinity of a footboard secured to the seat, and in a trailer position, a third additional element for locking mounted in the vicinity of a lower portion of a backrest of the seat.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (8)
Bell Robert (16 Oxford Street Guelph ; Ontario CAX N1H 2M3), Bicycle trailer.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.