A folding stroller with changeable seating positions two infants or children is provided. The seating positions for two children may include side-by-side, with the seats positioned to be transverse to the direction of travel of the stroller, with seats facing the same or facing in opposite direction
A folding stroller with changeable seating positions two infants or children is provided. The seating positions for two children may include side-by-side, with the seats positioned to be transverse to the direction of travel of the stroller, with seats facing the same or facing in opposite directions. Seating positions may also include in-line front-to-rear, facing forward or backward; side-by-side facing forward or backward. At least one seat may be provided with a reclining mechanism in which the seat may be reclined between a first position and a second position such that the center of mass of the seat remains substantially aligned with a vertical axis of the stroller.
대표청구항▼
1. A stroller comprising: a folding frame having a handle, a plurality of wheels, a seat support structure, a frame vertical axis, a frame longitudinal axis, and a frame transverse axis;two seats, each having a seat bottom and seat back, a seat longitudinal axis and a seat vertical axis, the seats s
1. A stroller comprising: a folding frame having a handle, a plurality of wheels, a seat support structure, a frame vertical axis, a frame longitudinal axis, and a frame transverse axis;two seats, each having a seat bottom and seat back, a seat longitudinal axis and a seat vertical axis, the seats supported on the folding frame; wherein the seats are supported such that the longitudinal axis of each of the seats is perpendicular to the frame longitudinal axis and wherein said seat backs have a first piece and a second piece, said first piece and said second piece slidably connected to one another; said first piece of said seat back being hingedly connected to said seat bottom such that said seat back and said seat bottom have a first seat position and a second seat position, wherein, in said first seat position, said seat back and said seat bottom have an open configuration for sitting, and wherein, in said second seat position, said seat back and said seat bottom have a closed configuration for storage; said second piece of said seat back being connected to said first piece of said seat back such that said first piece of said seat back and said second piece of said seat back have a first backrest position and a second backrest position, wherein, in said first backrest position, said first piece of said seat back and said second piece of said seat back are extended relative to one another to increase seat back area for sitting, wherein, in said second backrest position, said first piece of said seat back and said second piece of said seat back are retracted relative to one another for storage; and,at least one footrest depending from each said seat bottom and attached with a sliding and pivoting connection such that said at least one extendable and retractable footrest and said seat bottom have a first footrest position and a second footrest position, wherein, in said first footrest position, said at least one footrest is extended away from said seat bottom for use as a footrest during sitting, wherein, in transitioning to said second footrest position, said at least one footrest slides along the longitudinal seat axis while pivoting upward toward said seat bottom for storage. 2. A stroller according to claim 1 wherein the folding frame and the two seats are configured such that, in an unfolded condition, the length measured in the direction of the frame longitudinal axis is no greater than about 35 inches and the width measured in the direction of the frame transverse axis is no greater than about 30 inches. 3. A stroller according to claim 1 wherein the folding frame and the two seats are configured such that, in an unfolded condition, the length measured in the direction of the frame longitudinal axis is within a range of about 16-30 inches and the width measured in the direction of the frame transverse axis is within a range of about 16 to about 25 inches. 4. A stroller according to claim 1 wherein the folding frame and the two seats are configured such that, in an unfolded condition, the length measured in the direction of the frame longitudinal axis is within a range of about 28-30 inches and the width measured in the direction of the frame transverse axis is no greater than about 23 to about 25 inches. 5. The stroller according to claim 1 wherein the two seats are supported on the seat support structure for selectable rotation about the vertical axis of the seat. 6. The stroller according to claim 5 further comprising a locking device configured to selectively lock and release the two seats for selectable rotation about the vertical axis of the seat. 7. The stroller according to claim 5 wherein the seat support structure is supported on the folding frame for rotation about a vertical axis of the frame. 8. The stroller according to claim 7 further comprising a locking device configured to selectively lock and release the seat support structure for selectable rotation about the vertical axis of the frame. 9. A stroller for at least two children comprising: a folding frame having a handle, a plurality of wheels, a frame vertical axis, a frame longitudinal axis, and a frame transverse axis;two seats, each having a seat bottom, a seat back, a seat longitudinal axis and a seat vertical axis, comprising: a longitudinal axis; a first end portion; and a second end portion; wherein the first and second end portions lie along the longitudinal axis; the seat support structure aligned with the longitudinal axis of the folding frame and supported thereon; a first seat having a seat vertical axis generally parallel to the frame vertical axis, a seat longitudinal axis, and a seat transverse axis, the first seat supported on the first end portion of the seat support structure such that the seat longitudinal axis is perpendicular to the frame longitudinal axis; a second seat having a second seat vertical axis generally parallel to the frame vertical axis, a second seat longitudinal axis, and a second seat transverse axis, the second seat supported on the second end portion of the seat support structure such that the seat longitudinal axis is perpendicular to the frame longitudinal axis and wherein, in a first seat position, said seat back and said seat bottom have an open configuration for sitting, and wherein, in said second seat position, said seat back and said seat bottom have a closed configuration for storage; said second piece of said seat back being connected to said first piece of said seat back such that said first piece of said seat back and said second piece of said seat back have a first backrest position and a second backrest position, wherein, in said first backrest position, said first piece of said seat back and said second piece of said seat back are extended relative to one another to increase seat back area for sitting, wherein, in said second backrest position, said first piece of said seat back and said second piece of said seat back are retracted relative to one another for storage; and,at least one extendable and retractable footrest depending from each said seat bottom and attached with a sliding and pivoting connection such that said at least one footrest and said seat bottom have a first footrest position and a second footrest position, wherein, in said first footrest position, said at least one footrest is extended away from said seat bottom for use as a footrest during sitting, wherein, in transitioning to said second footrest position, said at least one footrest slides along the longitudinal seat axis while pivoting upward toward said seat bottom for storage. 10. The stroller according to claim 9 wherein the first seat is supported on the first end portion of the seat support structure for controlled rotation about the first seat vertical axis; and the second seat is supported on the second end portion of the seat support structure for controlled rotation about the second seat vertical axis. 11. The stroller according to claim 10 further comprising: a locking device configured to selectively lock and release the first seat for selectable rotation about the vertical axis of the first seat; a locking device configured to selectively lock and release the second seat for selectable rotation about the vertical axis of the second seat. 12. The stroller according to claim 9 wherein the seat support structure is supported on the folding frame for rotation about a vertical axis of the frame. 13. The stroller according to claim 9 wherein the handle further comprises a first portion; a second portion; and, a third portion such that at least the second portion selectively extends or collapses into the first position. 14. The stroller according to claim 12 further comprising: a locking device configured to selectively lock and release the seat support structure for selectable rotation about the vertical axis of the folding frame. 15. The stroller according to claim 9 wherein the folding frame further comprises: a partially hollow central shaft comprising an upper end portion and a lower end portion distal from the upper end portion; a plurality of legs having a first end portion and a second end portion wherein the first end portions of the plurality of legs are radially distributed around a perimeter of the central shaft and pivotably attached thereto; a plurality of wheel assemblies including wheels mounted to at least some of the second end portions of the plurality of legs wherein the wheels are configured to rotate about an axis of the wheel; a collapsing mechanism mounted to the central shaft; a plurality of stretchers having a first end operatively connected to the collapsing mechanism and a second end operatively connected to the second end of the legs, wherein, upon activation of the collapsing mechanism, the second end of the stretchers draw the second end of the legs inward to a collapsed position. 16. The stroller according to claim 9 wherein the seat support structure further comprises: at least one hinge line intermediate to the first end portion and the second end portion such that at least a portion of the seat support structure folds along the hinge line to a substantially vertical position. 17. The stroller according to claim 9 wherein at least one of the first seat and second seat further comprises: a seat bottom having an upper surface, a lower surface, a front edge, a back edge, and a cavity formed within the body extending from the front edge towards the back edge and opened at least at the front edge; a seat back comprising: a head rest; and a back rest having an upper edge and a lower edge; at least one footrest depending from the front edge of the seat bottom; wherein the lower edge of the back rest and the back edge of the seat bottom are pivotably connected such that the seat back and the seat bottom may selectably form an included angle between about 0 degrees and about 180 degrees. 18. The stroller according to claim 16 wherein a portion of the at least one footrest is operatively linked to the seat back wherein, upon pivoting the seat back about the seat bottom such that the included angle approaches 0.degree., at least a portion of the at least one footrest is withdrawn into the cavity formed within the seat bottom. 19. The stroller according to claim 16 wherein the at least one of the first seat and second seat further comprises: a swivel plate comprising: a seat connector; and a swivel plate having a swivel plate surface; a seat swivel surface formed on at least a portion of the seat lower surface; wherein the seat connector is configured to be accepted in one of the first and second cavities for controlled rotation about the seat vertical axis. 20. The stroller according to claim 18 wherein the swivel plate surface and the seat swivel surface are configured to cooperate in a sliding relationship such that the seat vertical axis may divert from the frame vertical axis as the seat assumes a reclined orientation. 21. A stroller comprising: a stroller frame;and a seat, the seat comprising a seat bottom and a seat back; the seat adapted for mounting to the stroller frame; wherein the seat further comprises a reclining mechanism adapted to recline the seat between at least a first position and a second position such that a seat center of mass is maintained substantially aligned with a vertical axis of the stroller, wherein, in said first seat position, said seat back and said seat bottom have an open configuration for sitting, and wherein, in said second seat position, said seat back and said seat bottom have a closed configuration for storage; said second piece of said seat back being connected to a first piece of said seat back such that said first piece of said seat back and a second piece of said seat back have a first backrest position and a second backrest position, wherein, in said first backrest position, said first piece of said seat back and said second piece of said seat back are extended relative to one another to increase seat back area for sitting, wherein, in a second backrest position, said first piece of said seat back and said second piece of said seat back are retracted relative to one another for storage; and,an extendable and retractable footrest depending from said seat bottom and attached with a sliding and pivoting connection such that said footrest and said seat bottom have a first footrest position and a second footrest position, wherein, in transitioning to said first footrest position, said footrest is extended away from said seat bottom for use as a footrest during sitting, wherein, in said second footrest position, said footrest is retracted slides along a longitudinal axis of the seat while pivoting upward toward said seat bottom for storage.
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이 특허에 인용된 특허 (5)
Gebhard Albert W. (Denver CO) Au William G. (Northglenn CO) Gregg James S. (Aurora CO) Parker Robert M. (Aurora CO), Foldable baby carriage.
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