Baby stroller frame
First Claim
1. A baby stroller frame, comprising:
- a wheeled support, having a pair of front legs, a pair of rear legs, and a pair of push bars, the front legs being pivotally connected with the rear legs;
a lower support joint, having a front support element and a rear support element, the front support element having one end pivoted to the front leg and another end pivotally connected with the rear support element;
an upper support, having a portion pivoted at the upper ends of the front legs and the rear legs, one end pivoted to the push bars, and another end connected with a connector; and
a connecting joint having a first connecting piece and a second connecting piece, the first connecting piece having one end pivoted to the rear leg and another end pivotally connected with the pair of push bars, the second connecting piece having one end pivotally connected with the rear support element, and another end pivoted to the first connecting piece;
wherein an actuator is movably mounted on the push bars and operatively associated with a folding control mechanism via a flexible connecting element for locking and releasing the push bars so as to control the rotation thereof.
2 Assignments
0 Petitions
Accused Products
Abstract
A stroller frame including a wheeled support, a lower support joint, an upper support, and a connecting joint that commonly form a foldable linkage system. The wheeled support has a pair of push bars and an actuator associated with a flexible element, so as to control the rotation of each push bar. When the end of the push bar is released, the connecting joint is driven by the push bars and carries the wheeled support, the lower support joint, the upper support, which are simultaneously rotated and moved from an erect position to a collapsed position. The upper support is furnished with a connector for detachably securing a stroller seat, a safety seat, or an infant carrier. In addition, the lower support joint may extend upwardly with a plurality of extension arms for detachably securing two seats, two safety seats or an infant carrier. This provides a stroller frame having multiple uses and greater convenience.
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Citations
20 Claims
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1. A baby stroller frame, comprising:
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a wheeled support, having a pair of front legs, a pair of rear legs, and a pair of push bars, the front legs being pivotally connected with the rear legs; a lower support joint, having a front support element and a rear support element, the front support element having one end pivoted to the front leg and another end pivotally connected with the rear support element; an upper support, having a portion pivoted at the upper ends of the front legs and the rear legs, one end pivoted to the push bars, and another end connected with a connector; and a connecting joint having a first connecting piece and a second connecting piece, the first connecting piece having one end pivoted to the rear leg and another end pivotally connected with the pair of push bars, the second connecting piece having one end pivotally connected with the rear support element, and another end pivoted to the first connecting piece; wherein an actuator is movably mounted on the push bars and operatively associated with a folding control mechanism via a flexible connecting element for locking and releasing the push bars so as to control the rotation thereof. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A baby stroller frame, comprising:
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a wheeled support, having a pair of front legs, a pair of rear legs, and a pair of push bars, the front legs being pivotally connected to the rear legs; a lower support joint, having a front support element and a rear support element, the front support element being pivoted to the front leg and having front extension arms which extending upwardly and being furnished with a pair of support bases, the rear support element being pivotally connected with the rear leg of the wheeled support and having rear extension arms extending upwardly and being furnished with another pair of support bases; an upper support, having a portion pivoted at the upper ends of the front legs and the rear legs, one end being pivoted to the push bars and another end being connected with a connector; and a connecting joint having a first connecting piece and a second connecting piece, the first connecting piece having one end pivoted to the rear leg and another end pivotally connected with the pair of push bars, the second connecting piece having one end pivotally connected with the rear support element, and another end pivoted to the first connecting piece, wherein an actuator is movably mounted on the push bars and operatively associated with a folding control mechanism via a flexible connecting element for locking and releasing the push bars so as to control the rotation thereof. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19, 20)
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Specification