IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0869574
(2010-08-26)
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등록번호 |
US-8167332
(2012-05-01)
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발명자
/ 주소 |
|
출원인 / 주소 |
- Sentiment Industries Ltd.
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인용정보 |
피인용 횟수 :
1 인용 특허 :
20 |
초록
▼
A folding stroller of the present invention includes four struts, two sliding members, a fore double bar linkage, an aft double bar linkage and two linking bars. The sliding members are slidably disposed on one of the struts separately. The aft double bar linkage includes two aft bars. The fore doub
A folding stroller of the present invention includes four struts, two sliding members, a fore double bar linkage, an aft double bar linkage and two linking bars. The sliding members are slidably disposed on one of the struts separately. The aft double bar linkage includes two aft bars. The fore double bar linkage includes two fore bars. The aft bars, the fore bars and the linking bars are separately pivotally connected one of the sliding member to one of the struts. As such, users may fold or unfold the folding stroller easily by moving the sliding members.
대표청구항
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1. A folding stroller, which has a first side and a second side, the folding stroller comprising: a first fore strut, located on the first side, a first fore wheel being disposed on a bottom end of the first fore strut;a first aft strut, located on the first side, a top end of the first aft strut be
1. A folding stroller, which has a first side and a second side, the folding stroller comprising: a first fore strut, located on the first side, a first fore wheel being disposed on a bottom end of the first fore strut;a first aft strut, located on the first side, a top end of the first aft strut being pivotally connected to the first fore strut, a first aft wheel being disposed on a bottom end of the first aft strut;a second fore strut, located on the second side, a second fore wheel being disposed on a bottom end of the second fore strut;a second aft strut, located on the second side, a top end of the second aft strut being pivotally connected to the second fore strut, a second aft wheel being disposed on a bottom end of the second aft strut;a first sliding member, slidably disposed on the first aft strut, the first sliding member being slidable between its first position and its second position;a second sliding member, slidably disposed on the second aft strut, the second sliding member being slidable between its first position and its second position;an aft double bar linkage, comprising a first aft bar and a second aft bar, a top end of the first aft bar being pivotally connected to the first sliding member, a bottom end of the first aft bar being pivotally connected to a predetermined position of the second aft strut, the predetermined position of the second aft strut being located between the second sliding member and the second aft wheel, a top end of the second aft bar being pivotally connected to the second sliding member, a bottom end of the second aft bar being pivotally connected to a predetermined position of the first aft strut, the predetermined position of the first aft strut being located between the first sliding member and the first aft wheel;a fore double bar linkage, comprising a first fore bar and a second fore bar, a rear end of the first fore bar being pivotally connected to the first sliding member, a front end of the first fore bar being pivotally connected to the second fore strut, a rear end of the second fore bar being pivotally connected to the second sliding member, a front end the second fore bar being pivotally connected to the first fore strut;a first linking bar, a front end of the first linking bar being pivotally connected to the first fore strut, a rear end of the first linking bar being pivotally connected to the first sliding member;a second linking bar, a front end of the second linking bar being pivotally connected to the second fore strut, a rear end of the second linking bar being pivotally connected to the second sliding member;wherein the first sliding member and the second sliding member bunch the fore double bar linkage and the aft double bar linkage up when the first sliding member and the second sliding member move upward to their first positions, so that the first fore strut and second fore strut are closed up, the first aft strut and the second aft strut are closed up, the first sliding member and the second sliding member make the first linking bar and the second linking bar swing simultaneously, so that the fore wheels and the aft wheels are closed up;wherein the first sliding member and the second sliding member unfold the fore double bar linkage and the aft double bar linkage when the first sliding member and the second sliding member move downward to their second positions, so that the first fore strut and the second fore strut are opened up, the first aft strut and the second aft strut are opened up, the first sliding member and the second sliding member make the first linking bar and the second linking bar swing simultaneously, so that the fore wheels and the aft wheels are opened up. 2. The folding stroller of claim 1, further comprising a pulling member, the pulling member comprising a linking piece, two linking units and a handle, each of the linking units having two ends, one ends of the linking units being pivotally connected to the linking piece, the other ends of the linking units being pivotally connected to the first aft bar and the second aft bar separately, the handle being pivotally connected to the linking piece about a horizontal pivoting axis, both of the first sliding member and the second sliding member moving to their first positions when the handle being pulled upward. 3. The folding stroller of claim 1, further comprising a fixation member, the fixation member comprising two fixation units and a fixation clip, each of the fixation units having two ends, one ends of the fixation units being pivotally connected to each other, the other ends of the fixation units being pivotally connected to the first aft strut and the second aft strut separately, the fixation clip being disposed on one of the fixation units, the fixation clip locking the other one of the fixation units when the fixation units being parallel with each other, at the same time, the first sliding member and the second sliding member being located at their second positions. 4. The folding stroller of claim 3, further comprising two braking members and a connecting member, the braking members being separately disposed on the first aft wheel and the second aft wheel, each braking member having a braking end, a controlling end and an eccentric axis, the eccentric axis being located on the braking end, the braking ends rubbing against the first aft wheel and the second aft wheel when the braking members pivoting downward about the eccentric axes, the connecting member having two connecting units, each of the connecting units having two end, one ends of the connecting units being pivotally connected to each other, the other ends of the connecting units being separately connected to the controlling ends, so that the braking members being in an operative relationship. 5. The folding stroller of claim 4, wherein the connecting member has a connecting belt, one end of the connecting belt is connected to the fixation units, and another end of the connecting belt is connected to the connecting units, the connecting belt closes the connecting units up when the first sliding member and the second sliding member moves to their first positions. 6. The folding stroller of claim 1, wherein a first buckling member is disposed on one of the first aft strut and the second aft strut, a second buckling member is disposed on one of the first sliding member and the second sliding member, the first buckling member and the second buckling member are in a buckling relationship when the first sliding member and the second sliding member are located on their second positions. 7. The folding stroller of claim 1, wherein two first buckling members are disposed on one of the first aft strut and the second aft strut, a second buckling member is disposed on one of the first sliding member and the second sliding member, the second buckling member and one of the first buckling members are in a buckling relationship when the first sliding member and the second sliding member are located on one of their first positions and their second positions. 8. The folding stroller of claim 6, wherein at least one of the first sliding member and the second sliding member is assembled with a switch, the first buckling member and the second buckling member are lifted from the buckling relationship when the switch is pushed down, so that the first sliding member and the second sliding member are slidable with respect to the first aft strut and the second aft strut.
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