IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
UP-0105734
(2008-04-18)
|
등록번호 |
US-7832756
(2011-01-16)
|
우선권정보 |
NL-1033729(2007-04-20) |
발명자
/ 주소 |
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
20 인용 특허 :
7 |
초록
▼
A stroller comprising at least one seat assembly, a first part comprising at least one front wheel, a second part comprising at least one rear wheel, and a third part comprising at least one push rod provided with a handle, at least two of which parts are each provided with at least one toothing whi
A stroller comprising at least one seat assembly, a first part comprising at least one front wheel, a second part comprising at least one rear wheel, and a third part comprising at least one push rod provided with a handle, at least two of which parts are each provided with at least one toothing which is pivotable about a pivot pin. The toothings are in mesh with each other, thus pivotally interconnecting the three parts. The second part comprises an arcuate rod, which is provided with at least one rear wheel at both ends, which arcuate rod is pivotally connected to the first part and the third part between its two ends.
대표청구항
▼
The invention claimed is: 1. A stroller comprising at least one seat assembly, a first part comprising a front wheel, a second part comprising a rear wheel, and a third part comprising a push rod provided with a handle, each of the first, second and third parts are provided with at least one toothi
The invention claimed is: 1. A stroller comprising at least one seat assembly, a first part comprising a front wheel, a second part comprising a rear wheel, and a third part comprising a push rod provided with a handle, each of the first, second and third parts are provided with at least one toothing which is pivotally mounted, each of the first, second, and third toothings being coupled to each other such that each of the first, second, and third toothings are in mesh with another of the of the first, second, and third toothings, thus pivotally interconnecting the first, second, and third parts, characterised in that the second part comprises an arcuate rod having two ends, which second part is provided with at least one rear wheel at both ends, which arcuate rod is pivotally connected to the first part and the third part between its two ends. 2. A stroller according to claim 1, characterised in that the arcuate rod is provided between the two ends thereof with the toothing that is pivotable. 3. A stroller according to claim 2, characterised in that said toothing is disposed substantially centrally between the rear wheels. 4. A stroller according to claim 1, characterised in that one of said parts is provided with a support, in which the toothings are pivotally mounted. 5. A stroller according to claim 4, characterised in that the first part is coupled to said support at a location remote from the front wheel, whilst the second and the third part are each provided with said toothing at a location remote from the rear wheels and from the handle, respectively. 6. A stroller according to claim 4, characterised in that the third part comprising the push rod is pivotable in a counterclockwise direction with respect to the support, whilst the second part is pivotable in a clockwise direction with respect to the support to move the stroller from an unfolded use position to a collapsed position. 7. A stroller according to claim 1, characterised in that the seat assembly comprises a seat portion and a backrest which is pivotally connected to the seat portion 8. A stroller according to claim 1, characterised in that the seat assembly is pivotally connected to said parts. 9. A stroller according to claim 8, characterised in that the seat assembly is provide with a toothing which is pivotable about a pivot pin, which toothing is in mesh with the toothing connected to one of said parts. 10. A stroller according to claim 9, characterised in that the toothing connected to the seat assembly is in mesh with the toothing connected to the second part. 11. A stroller according to claim 1, characterised in that the stroller can be locked in an unfolded position or in a collapsed position.
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