초록 ▼

A baby stroller frame with a seat direction changing mechanism comprising a wheeled support frame, a seat support, a handle bar and a releasing mechanism. The wheeled support frame comprises a front leg, a rear leg and wheel sets. The upper portion of the wheeled support frame has a axle hole for pi

A baby stroller frame with a seat direction changing mechanism comprising a wheeled support frame, a seat support, a handle bar and a releasing mechanism. The wheeled support frame comprises a front leg, a rear leg and wheel sets. The upper portion of the wheeled support frame has a axle hole for pivotally connecting the seat support and allows the seat support rotatably to change its direction. The angle positioning of the seat support is lockable and releaseable by driving a locking member in a locking position. The releasing mechanism is slidably mounted on the handle bar, and shall concomitantly pulls locking member while the handle bar is rotated by a user. While the locking member is pulled to leave the locking position, the seat support will be free to rotate and change its direction.

대표청구항 ▼

What is claimed is: 1. A baby stroller frame, comprising: a wheeled support frame, including a pivotally support base, a linking rod, a front leg, a rear leg, a front wheel set and a rear wheel set; wherein the pivotally support base is provided with a locking position and the front and the rear le

What is claimed is: 1. A baby stroller frame, comprising: a wheeled support frame, including a pivotally support base, a linking rod, a front leg, a rear leg, a front wheel set and a rear wheel set; wherein the pivotally support base is provided with a locking position and the front and the rear leg are pivotally connected at the lower portion of the pivotally support base; the linking rod is pivotally interconnected the front leg and the rear leg; the lower ends of the front leg and the rear leg are connected the front wheel set and the rear wheel set respectively; a seat support, pivotally connected to the pivotally support base; the seat support having a pair of arms provided with a pair of connecting bases each having a connecting portion extended outwardly; a locking member, disposed between the seat support and the pivotally support base for preventing the seat support to be rotatable about the pivotally support base when the locking member is slidably engaged within the locking position; a handle bar, pivotally connected to the arms of the seat support body for pushing the stroller; and a releasing mechanism, connected between the handle bar and the locking member; the releasing the mechanism is driven by the rotation of the handle bar to disengage the locking member from the locking position. 2. A baby stroller frame according to claim 1, wherein the pivotally support base is provided with an axle hole for pivotally supporting the seat support. 3. A baby stroller frame according to claim 2, wherein the seat support has an axle extended downwardly from lower end for pivotally retained within the axle hole. 4. A baby stroller frame according to claim 1, wherein the pair of connecting bases is used for detachably connecting a seat frame. 5. A baby stroller frame according to claim 1, wherein the pair of connecting bases is used for detachably connecting a baby carry cot. 6. A baby stroller frame according to claim 1, wherein the pair of connecting bases is used for detachably connecting a baby safety seat. 7. A baby stroller frame according to claim 1, wherein the seat support further includes a guiding cover for slidably receiving the locking member to slide reciprocally therein. 8. A baby stroller frame according to claim 1, wherein the handle bar comprises a pair of swivel bases which are pivotally connected to the connecting bases that allows the handle bar to be either lockable or rotatable. 9. A baby stroller frame according to claim 8, wherein the releasing mechanism includes a sliding sleeve, a connecting member, a releasing member and a resilient member, wherein the connecting member interconnects the releasing member and the sliding sleeve, and the resilient member is biasing the releasing member to slidably engage with the connecting base. 10. A baby stroller frame according to claim 1, wherein when the handle bar is rotated toward the top of the pivotally support base, the locking member is released from the locking position. 11. A baby stroller frame according to claim 1, wherein the swivel base disposed at the seat support further including a driving disc and a linking member; that when the driving disc is rotated, the locking member is released from the locking position by pulling of the linking member. 12. A baby stroller frame according to claim 11, wherein the driving disc is located inside the swivel base and rotates together with the swivel base rotation. 13. A baby stroller frame according to claim 11, wherein the linking member is flexible. 14. A baby stroller frame according to claim 11, wherein the seat support further includes a driver comprising a sliding block which connected to the locking member by the linking member; that the sliding block is driven by rotating the swivel base to pull the locking member from the locking position. 15. A baby stroller frame according to claim 14, wherein the driving disc has a slope face for slidably contacting the sliding block to move it linearly back and forth. 16. A baby stroller frame according to claim 14, wherein the sliding block is slidably disposed within the arms of the seat support. 17. A baby stroller frame according to claim 14, wherein the locking member is released from the locking position by pulling of the releasing mechanism which is driven by the rotation of the handle bar. 18. A baby stroller frame according to claim 17, wherein the driver is in relation to the sliding sleeve which pulls the connecting member that indirectly disengages the locking member from the locking position.