IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0042299
(2011-03-07)
|
등록번호 |
US-8696015
(2014-04-15)
|
우선권정보 |
NL-2004371 (2010-03-09) |
발명자
/ 주소 |
- Karremans, Taco
- Schrooten, Mark
- Mintiens, Benoit Philippe
|
출원인 / 주소 |
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
12 인용 특허 :
33 |
초록
A juvenile stroller includes a foldable frame, wheels coupled to the foldable frame, and a seat coupled to the foldable frame. The frame can be folded to assume a compact size and unfolded to position the seat relative to the wheels to transport a child sitting in the juvenile seat.
대표청구항
▼
1. A stroller comprising at least a foldable frame being provided with at least a first and a second side-frame assembly of at least a first leg, a second leg, and a push arm provided with a handle part, wherein in each assembly, the push arm is provided with a first gear part being pivotable about
1. A stroller comprising at least a foldable frame being provided with at least a first and a second side-frame assembly of at least a first leg, a second leg, and a push arm provided with a handle part, wherein in each assembly, the push arm is provided with a first gear part being pivotable about a first pivot axis of the first leg, the second leg is provided with a second gear part being pivotable about a second pivot axis of the first leg, wherein the gear parts of the push arm and the second leg are in mesh with each other, characterized in that at least a pair of legs or a pair of push arms of the side-frame assemblies are connected to each other near ends away from the pivot axes by means of at least two pivotably interconnected parts, each part being swivelable about a swivel axis near the end, wherein at least one operating element for swivelling at least one part with respect to the corresponding leg or push arm is connected with a first end to the part and with a second end to the other leg or push arm of the same side-frame assembly, wherein by pivoting the push arm and second leg with respect to the first leg from an unfolded position to a folded position, the parts are being swivelled from a first position in which the side-frame assemblies are spaced apart to a second position in which the side-frame assemblies are located closer to each other, and vice versa. 2. A stroller according to claim 1, characterized in that the parts are swivelable about swivel axes of the first legs, wherein a first of the operating elements is connected with its second end to the second leg. 3. A stroller according to claim 2, characterized in that the parts are swivelable about swivel axes of the first legs, wherein a first of the operating elements is connected with its second end to the second leg. 4. A stroller according to claim 1, characterized in that the parts are swivelable about swivel axes of the second legs, wherein a second of the operating elements is connected with its second end to the first leg. 5. A stroller according to claim 4, characterized in that the handle parts of the arms are swivelable about the swivel axes of the push arm, wherein a third of the operating elements is connected with its second end to the first leg. 6. A stroller according to claim 1, characterized in that the handle parts of the arms are swivelable about the swivel axes of the push arm, wherein a third of the operating elements is connected with its second end to the first leg. 7. A stroller according to claim 1, characterized in that the assemblies are connected to each other near ends away from the pivot axes of the pair of push arms, near ends away from the pivot axes of the pair of first legs and near ends away from the pivot axes of the pair of second legs, by means of at least two pivotably interconnected parts extending between the first ends of the push arms, the first legs, and the second legs, respectively. 8. A stroller according to claim 7, characterized in that the pivotably interconnected parts are connected to each other by means of at least an intermediate part. 9. A stroller according to claim 1, characterized in that each operating element comprises at least a rod being pivotably connected to the leg or the push arm and pivotably connected to an extension member located between the rod and the swivelable part. 10. A stroller according to claim 1, characterized in that each operating member or the swivelable part comprises a pin being slidable in a slot of the swivelable part or operating member, respectively, for swivelling the part about the swivel axis. 11. A stroller according to claim 1, characterized in that the frame comprises locking means for locking the gear parts against rotation. 12. A stroller comprising at least a foldable frame being provided with at least a first and a second side-frame assembly of at least a front leg provided with a foot part, a rear leg provided with an outer stretcher part, and a push arm provided with a handle part, wherein in each assembly, the push arm is provided with a first gear part being pivotable about a first pivot axis of the front leg, the second leg is provided with a second gear part being pivotable about a second pivot axis of the front leg, wherein the gear parts of the push arm and the second leg are in mesh with each other, and further comprising a swivel-control system configured to provide means for swivelling each of the foot parts, outer stretcher parts, and handle parts about companion swivel axes relative to companion front legs, rear legs, and push arms to cause the first side-frame assembly and the second side-frame assembly to move relative to one another to a drawn-together position in which the first and second side-frame assemblies are located closer to one another to a spread-apart position in which the first and second side-frame assemblies are located further apart from one another in response to pivoting movement of the push arms relative to the front and rear legs. 13. A stroller comprising a foldable frame including first and second side-frame assemblies, each side-frame assembly including a front leg, a rear leg mounted for pivotable movement relative to the front leg about a rear-leg pivot axis, a push arm mounted for pivotable movement relative to the front leg about an arm pivot axis, a foot part coupled for swivelling movement at a swivel axis to a lower end of the front leg associated therewith, an outer stretcher part coupled for swivelling movement at a swivel axis to a lower end of the rear leg associated therewith and a handle part coupled for swivelling movement at a swivel axis to an upper end of the push arm associated therewith, wherein the foot parts are pivotably coupled to each other about a foot pivot axis, each of the outer stretcher parts is pivotably coupled to a middle stretcher part included in the stroller and interposed between the outer stretcher parts about a stretcher pivot axis, and the handle parts are pivotably coupled to each other about a handle pivot axis,wheels including a front wheel associated with a lower portion of the front leg and a rear wheel associated with a lower portion of the rear leg,a pivot-control system including an arm gear coupled to the push arm and mounted to rotate about the arm pivot axis associated with the front leg during pivoting movement of the push arm relative to the front leg about the arm pivot axis and a rear-leg gear coupled to the rear leg and mounted to rotate about the rear-leg pivot axis associated with the front leg and to mesh with the arm gear to cause pivoting movement of the rear leg relative to the front leg about the rear-leg pivot axis in response to pivoting movement of the push arm relative to the front leg about the arm pivot axis, wherein the arm and rear-leg gears are arranged to lie in predetermined positions on the foldable frame to cause the rear leg to pivot about the rear-leg pivot axis toward the front leg to establish a collapsed storage configuration of the stroller in response to pivoting movement of the push arm about the arm pivot axis toward the front leg and to cause the rear leg to pivot about the rear-leg pivot axis away from the front leg to establish an expanded use configuration of the stroller in response to pivoting movement of the push arm about the arm pivot axis away from the front leg, anda swivel-control system configured to provide means for swivelling each of the foot parts about the foot pivot axis, each of the outer stretcher parts about a companion stretcher pivot axis relative to the middle stretcher part, and each handle part about the handle pivot axis to cause the first side-frame assembly and the second side-frame assembly to move relative to one another to a drawn-together position in which the first and second side-frame assemblies are located closer to one another to a spread-apart position in which the first and second side-frame assemblies are located farther apart from one another in response to pivoting movement of the push arms relative to the front and rear legs. 14. The stroller of claim 13, wherein the swivel-control system comprises a first operating element associated with one of the front legs and the first operating element comprises a first swivel-trigger rod, a first-end pivot axle, a second-end pivot axle, a first extension element, and a first motion-transfer link coupled to the first extension element and a companion foot part and configured to provide means for moving the companion foot part about the foot pivot axis relative to a neighboring foot part in response to movement of the first extension element relative to the companion front leg. 15. The stroller of claim 14, wherein the first motion-transfer link includes a pin coupled to the first extension element and a guiding element coupled to a second section of the foot part to move therewith and formed to include a slot configured to provide means for receiving the pin for reciprocating sliding movement therein. 16. The stroller of claim 14, wherein a first end of the first swivel-trigger rod is pivotably connected to the first-end pivot axle that is coupled to a rear leg for pivotable movement about a companion pivot axis about a first pivot axle relative to the rear leg and a second end of the first swivel-trigger rod is connected via the second end pivot axle to a first end of the first extension element to support the first extension element for pivotable movement about a second companion pivot axis relative to the first swivel-trigger rod. 17. The stroller of claim 16, wherein the first operating element has a second end connected to the foot part of the front leg by the first motion-transfer link at a distance from the swivel axis thereof. 18. The stroller of claim 16, wherein the first extension element is located inside an interior chamber formed in the first leg. 19. The stroller of claim 13, wherein the swivel-control system comprises a second operating element associated with one of the rear legs and the second operating element comprises a second swivel-trigger rod, a first-end pivot axle, a second-end pivot axle, a second extension element, and a second motion-transfer link coupled to the second extension element and a companion outer stretcher part and configured to provide means for moving the companion outer stretcher part about a pivot axis relative to the middle stretcher part in response to movement of the second extension element relative to the companion rear leg. 20. The stroller of claim 19, wherein a first end of the second swivel-trigger rod is pivotably connected to the first-end pivot axle for pivotable movement about a companion pivot axis relative to the front leg and a second end of the second swivel-trigger rod is connected via the second-end pivot axle to a first end of the second extension element to support the second extension element for pivotable movement about a companion pivot axis relative to the second swivel-trigger rod. 21. The stroller of claim 20, wherein the second operating element has a second end connected to the outer stretcher part of the second leg by the second motion-transfer link at a distance of the swivel axis thereof. 22. The stroller of claim 20, wherein the second extension element is located inside an interior chamber formed in the rear leg. 23. The stroller of claim 13, wherein the swivel-control system comprises a third operating element associated with the push arm and the third operating element comprises a third swivel-trigger rod, a first-end pivot axle, a second-end pivot axle, a third extension element, and a third motion-transfer link coupled to the third extension element and to a companion handle part and configured to provide means for moving the companion handle part about a handle pivot axis relative to a neighboring handle part in response to movement of the third extension element relative to the companion push arm. 24. The stroller of claim 23, wherein a first end of the third swivel-trigger rod is pivotably connected to the first-end pivot axle for pivotable movement about a companion pivot axis relative to the front leg and a second end of the third swivel-trigger rod is connected via the second-end pivot axle to a first end of the third extension element to support the third extension element for pivotable movement about a companion pivot axis relative to the third swivel-trigger rod. 25. The stroller of claim 24, wherein the third operating element has a second end connected to the handle part of the push arm by the third motion-transfer link at a distance from the swivel axis thereof. 26. The stroller of claim 24, wherein the third extension element is located inside an interior chamber formed in the push arm.
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