A stroller apparatus comprises a support frame, a first seat assembled with the support frame and configured to receive a child in a first position, a second seat assembled with the support frame and configured to receive the child in a second position at a height different from the first position,
A stroller apparatus comprises a support frame, a first seat assembled with the support frame and configured to receive a child in a first position, a second seat assembled with the support frame and configured to receive the child in a second position at a height different from the first position, the child facing rearward when seated on either of the first and second seats, and a third seat assembled with the support frame and configured to receive a second child in a third position facing forward in front of the first and second seats.
대표청구항▼
1. A stroller apparatus comprising: a support frame including a side handrail that extends from a front toward a rear of the stroller apparatus;a first seat assembled with the support frame adjacent to the side handrail and configured to receive a child in a first position, the first seat resting in
1. A stroller apparatus comprising: a support frame including a side handrail that extends from a front toward a rear of the stroller apparatus;a first seat assembled with the support frame adjacent to the side handrail and configured to receive a child in a first position, the first seat resting in contact with the side handrail and being at least partially supported by the side handrail;a second seat assembled with the support frame below the side handrail and configured to receive the child in a second position at a height different from the first position, the child facing rearward when seated on either of the first and second seats; anda third seat assembled with the support frame and configured to receive a second child in a third position facing forward in front of the first and second seats. 2. The stroller apparatus according to claim 1, wherein the first and second seats are detachably assembled with the support frame. 3. The stroller apparatus according to claim 1, wherein the support frame further includes a handle that is pivotally connected with the side handrail. 4. The stroller apparatus according to claim 1, wherein the first seat has a lateral extension adapted to rest in contact against an upper surface of the side handrail when the first seat is installed on the support frame. 5. The stroller apparatus according to claim 1, wherein the support frame further comprises a seat support frame below the side handrail, one of the seat support frame and the second seat comprises a stud and the other one of the seat support frame and the second seat comprises an opening for engaging the stud. 6. The stroller apparatus according to claim 1, wherein the first seat comprises: a seat portion; anda backrest assembly connected with the seat portion, the backrest assembly including: a backrest frame pivotally connected with the seat portion and extending upward from the seat portion;a side bar linkage having a first end portion and a second end portion, the first end portion being pivotally connected with the seat portion; anda coupling element connecting the second end portion of the side bar linkage with the backrest frame, the assembly of the side bar linkage and the coupling element being configured to hold the backrest frame in any of a first and a second angular positions relative to the seat portion. 7. The stroller apparatus according to claim 1, further comprising a stand platform mounted with the support frame below the first and second seats. 8. The stroller apparatus according to claim 1, wherein the support frame further includes a handle comprising a transverse element, and the first seat is assembled facing the transverse element and includes a crotch strap that is operable to attach with the transverse element. 9. The stroller apparatus according to claim 4, wherein the upper surface of the side handrail has a restricting slit, and a rear of the lateral extension includes a tab adapted to engage through the restricting slit to form a hinge connection about which the first seat is rotated during installation on the support frame. 10. The stroller apparatus according to claim 9, wherein the side handrail further has a side surface provided with a latch, and the first seat is operable to rotate about the hinge connection until the first seat comes into locking engagement with the latch. 11. The stroller apparatus according to claim 6, wherein the backrest frame includes a protruding stud, and the coupling element is affixed with the second end portion and defines a guide slot through which the stud is movably mounted, the guide slot having a first stop region in which the stud is restrainedly positioned to hold the backrest frame in the first angular position, and a second stop region in which the stud is restrainedly positioned to hold the backrest frame in the second angular position. 12. The stroller apparatus according to claim 11, wherein a spring is connected between the coupling element and the backrest frame to drive engagement of the stud with either of the first and second stop regions. 13. The stroller apparatus according to claim 11, wherein the support frame further includes a handle, and the seat portion includes: a seat board; anda link bracket respectively pivotally connected with a side of the seat board and the first end portion of the side bar linkage;the link bracket being operable to rotate with the handle to cause the side bar linkage to move in a direction that has the stud shifted from the first stop region to the second stop region when the support frame is collapsed. 14. The stroller apparatus according to claim 13, wherein the handle includes a latch configured to lock the link bracket in place. 15. A stroller apparatus comprising: a support frame including a side handrail that extends from a front toward a rear of the infant carrier apparatus, and a seat support frame below the side handrail;a first seat detachably assembled with the support frame adjacent to the side handrail and configured to receive a child in a first position, the first seat having a lateral extension adapted to rest in contact against an upper surface of the side handrail when the first seat is installed on the support frame, whereby the first seat is at least partially supported by the side handrail;a second seat assembled with the seat support frame and configured to receive the child in a second position at a height different from the first position, the child facing rearward when seated on either of the first and second seats; anda third seat assembled with the seat support frame and configured to receive a second child in a third position facing forward in front of the first and second seats. 16. The stroller apparatus according to claim 15, wherein the upper surface of the side handrail has a restricting slit, and a rear of the lateral extension includes a tab adapted to engage through the restricting slit to form a hinge connection about which the first seat is rotated during installation on the support frame. 17. The stroller apparatus according to claim 15, wherein one of the seat support frame and the second seat comprises a stud, and the other one of the seat support frame and the second seat comprises an opening for engaging the stud. 18. The stroller apparatus according to claim 15, wherein the first seat includes: a seat portion; anda backrest assembly connected with the seat portion, the backrest assembly including: a backrest frame pivotally connected with the seat portion and extending upward from the seat portion;a side bar linkage having a first end portion and a second end portion, the first end portion being pivotally connected with the seat portion; anda coupling element connecting the second end portion of the side bar linkage with the backrest frame, the coupling element having a first and a second region;wherein the side bar linkage is adjustable so that the second end portion is connected with the backrest frame at either of the first and second region, the side bar linkage holding the backrest frame in a first angular position relative to the seat portion when the second end portion is connected with the backrest frame at the first region, and the side bar linkage holding the backrest frame in a second angular position relative to the seat portion when the second end portion is connected with the backrest frame at the second region. 19. The stroller apparatus according to claim 16, wherein the side handrail further has a side surface provided with a latch, and the first seat is operable to rotate about the hinge connection until the first seat comes into locking engagement with the latch. 20. The stroller apparatus according to claim 18, wherein the backrest frame includes a protruding stud, and the coupling element is affixed with the second end portion and defines a guide slot through which the stud is movably mounted, the guide slot connecting with the first and second regions, the stud being restrainedly positioned in the first region to hold the backrest frame in the first angular position, and the stud being restrainedly positioned in the second region to hold the backrest frame in the second angular position. 21. The stroller apparatus according to claim 20, wherein a spring is connected between the coupling element and the backrest frame to drive engagement of the stud with either of the first and second regions. 22. The stroller apparatus according to claim 20, wherein the support frame further includes a handle, and the seat portion includes: a seat board; anda link bracket respectively pivotally connected with a side of the seat board and the first end portion of the side bar linkage;the link bracket being operable to rotate with the handle to cause the side bar linkage to move in a direction that has the stud shifted from the first region to the second region when the support frame is collapsed. 23. The stroller apparatus according to claim 22, wherein the handle includes a latch configured to lock the link bracket in place.
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