A stroller is adapted to be connected with a car seat, and includes a frame, a footrest, and at least one locking device. The frame has two seat rods. The footrest is disposed between the seat rods, and includes two side rod sections and a middle rod section having two ends connected respectively an
A stroller is adapted to be connected with a car seat, and includes a frame, a footrest, and at least one locking device. The frame has two seat rods. The footrest is disposed between the seat rods, and includes two side rod sections and a middle rod section having two ends connected respectively and pivotally to the side rod sections. The locking device is disposed between one of the side rod sections and a corresponding one of the seat rods, and includes an angle-limiting mechanism and an actuator operable to cooperate with the angle-limiting mechanism so as to adjust the footrest among a plurality of angular positions including an erected position whereat the stroller is connectable with the car seat.
대표청구항▼
1. A stroller adapted to be connected with a car seat, said stroller comprising: a frame having two opposite sides, each of which includes a front kg rod, a rear leg rod, and a seat rod extending between the front and rear leg rods;a footrest disposed between the seat rods of the sides of the frame
1. A stroller adapted to be connected with a car seat, said stroller comprising: a frame having two opposite sides, each of which includes a front kg rod, a rear leg rod, and a seat rod extending between the front and rear leg rods;a footrest disposed between the seat rods of the sides of the frame and including two side rod sections and a middle rod section having two ends connected respectively and pivotally to said side rod sections; andat least one locking device disposed between one of said side rod sections and a corresponding one of the seat rods of the sides of the frame, said locking device including an angle-limiting mechanism and an actuator operable to cooperate with said angle-limiting mechanism so as to adjust said footrest among a plurality of angular positions including an erected position whereat the stroller is connectable with the car seat; wherein said angle-limiting mechanism includes: a first pivot member connected to said footrest;a second pivot member connected to the corresponding one of the seat rods; anda positioning member disposed between said first and second pivot members for locking said first and second pivot members relative to each other when said footrest is disposed at any one of the angular positions; andwherein said first and second pivot members are formed with first and second position-limiting ribs, respectively, and the angular positions further includes a downwardly suspended position, said first position-limiting rib coming into contact with said second pivot member when said footrest is rotated from said downwardly suspended position to said erected position in a first direction, said second position-limiting rib coming into contact with said first pivot member when said footrest is rotated from said erected position to the downwardly suspended position in a second direction opposite to the first direction, and wherein each of said side rod sections is L-shaped, and has a longitudinal portion pivotally connected to said middle rod section, and a transverse portion perpendicular to said longitudinal portion and pivotally connected with the corresponding one of the seat rods. 2. The stroller as claimed in claim 1, wherein said angle-limiting mechanism further includes a spring for biasing said positioning member to maintain said footrest in a locked sate, said first and second pivot members being pivotable about an axis, said angle-limiting mechanism having two axial ends opposite to each other along the axis, said actuator being disposed constantly at one of said axial ends of said angle-limiting mechanism and being operable to apply an axial force to said spring for releasing said first and second pivot members from each other. 3. The stroller as claimed in claim 1, wherein the angular positions further includes a downwardly suspended position and a horizontal position, wherein the horizontal position is located between the erected position and the downwardly suspended position. 4. The stroller as claimed in claim 1, wherein said first pivot member includes a first cylindrical housing and a first mounting sleeve extending from said first cylindrical housing, the one of said side rod sections of said footrest having an end connected to said first mounting sleeve, said second pivot member including a second cylindrical housing and a second mounting sleeve extending from said second cylindrical housing, an end of the corresponding one of said scat rods being fixed within said second mounting sleeve. 5. The stroller as claimed in claim 4, wherein said locking device further includes an engaging tube extending into said first mourning sleeve and connected to the one of said side rod sections. 6. The stroller as claimed in claim 4, wherein said first cylindrical housing is provided with a pivot shaft extending therefrom toward said second cylindrical housing, said positioning member being sleeved on said pivot shaft, said spring being disposed between said positioning member and said second cylindrical housing for biasing said positioning member into contact with said actuator, said positioning member being operable against the biasing action of said spring to push said positioning member entirely into said second cylindrical housing to thereby allow for relative rotation of said first cylindrical housing relative to said second cylindrical housing. 7. The stroller as claimed in claim 6, wherein said actuator has a plurality of projecting rods extending through said first pivot member and in contact with said positioning member such that, upon operation of said actuator, said projecting rods push said positioning member away from said first pivot member. 8. The stroller as claimed in claim 4, wherein each of said first and second pivot members includes a plurality of projections formed on a respective one of said first and second cylindrical housings and arranged circumferentially of the respective one of said first and second cylindrical housings, any two adjacent ones of said projections of said first pivot member defining a first engaging groove therebetween, any two adjacent ones of said projections of said second pivot member defining a second engaging groove therebetween, said positioning member being configured as a gear having a plurality of teeth each engaging a respective one of said first engaging grooves in said first pivot member and a respective one of said second engaging grooves in said second pivot member to lock said first and second pivot members relative to each other. 9. The stroller as claimed in claim 8, wherein each of said teeth of said positioning member has an inclined side surface facing said first pivot member such that, when said footrest is pivoted upwardly relative to said seat rods, said projections of said first pivot member come into slidable contact with said inclined side surfaces of said teeth to push said positioning member toward said second pivot member. 10. The stroller as claimed in claim 1, wherein at least one of said side rod sections is formed with a stop block for interfering with said middle rod section to prevent outward pivoting movement of said side rod sections relative to said middle rod section. 11. A car seat and stroller assembly comprising: a stroller including a frame having two sides, each of which includes a front leg rod, a push rod connected to an upper end of said front leg rod, a rear leg rod, and a seat rod extending between said front and rear leg rods,a footrest disposed between said seat rods of said sides of said frame and including two side rod sections and a middle rod section having two ends connected respectively and pivotally to said side rod sections, andat least one locking device disposed between one of said side rod sections and a corresponding one of said seat rods, said locking device including an angle-limiting mechanism and an actuator operable to cooperate with said mechanism so as to adjust said footrest among a plurality of angular positions including an erected position whereat said stroller is connectable with said car seat; anda car seat including a unitary housing, said unitary housing having a housing body, at least one downwardly bent curvilinear lip, and a retaining portion disposed at a bottom portion of said housing body, said curvilinear lip and said retaining portion being connected respectively to one of said push rods of said sides of said frame and said footrest;wherein said angle-limiting mechanism includes:a first pivot member connected to said footrest;a second pivot member connected to the corresponding one of the seat rods; anda positioning member disposed between said first and second pivot members for locking said first and second pivot members relative to each other when said footrest is disposed at any one of the angular positions; andwherein said first and second pivot members are formed with first and second position-limiting ribs, respectively, and the angular positions further includes a downwardly suspended position, said first position-limiting rib corning into contact with said second pivot member when said footrest is rotated from said downwardly suspended position to said erected position in a first direction, said second position limiting rib coming into contact with said first pivot member when said footrest is rotated from said erected position to the downwardly suspended position in a second direction opposite to the first direction, and wherein each of said side rod sections is L-shaped, and has a longitudinal portion pivotally connected to said middle rod section, and a transverse portion perpendicular to said longitudinal portion and pivotally connected with the corresponding one of the seat rods. 12. The car seat and stroller assembly as claimed in claim 11, wherein said car seat has two opposite sides, and two said curvilinear lips formed respectively at said sides of said car seat and retained respectively on said push rods. 13. The car seat and stroller assembly as claimed in claim 11, wherein said angle-limiting mechanism further includes a spring for biasing said positioning member to maintain said footrest in a located sate, said first and second pivot members being pivotable about an axis, said actuator being disposed at an axial end of said angle-limiting mechanism and being operable to apply an axial force to said spring for releasing said first and second pivot members from each other. 14. The car seat and stroller assembly as claimed in claim 11, wherein the angular positions farther includes a downwardly suspended position and a horizontal position, and the horizontal position is located between the erected position and the downwardly suspended position. 15. The car seat and stroller assembly as claimed in claim 11, wherein said first pivot member includes a first cylindrical housing and a first mounting sleeve extending from said first cylindrical housing, the one of said side rod sections of said footrest having an end connected to said first mounting sleeve, said second pivot member including a second cylindrical housing and a second mounting sleeve extending from said second cylindrical housing, an end of the corresponding one of said seat rods being fixed within said second mounting sleeve. 16. The ear seat and stroller assembly as claimed in claim 15, wherein said locking device further includes an engaging tube extending into said first mounting sleeve and connected to the one of said side rod sections. 17. The car seat and stroller assembly as claimed in claim 15, wherein said first cylindrical housing is provided with a pivot shaft extending therefrom toward said second cylindrical housing, said positioning member being sleeved on said pivot shaft, said spring being disposed between said positioning member and said second cylindrical housing for biasing said positioning member into contact with said actuator, said positioning member being operable against the biasing action of said spring to push said positioning member entirely into said second cylindrical housing to thereby allow for relative rotation of said first cylindrical housing relative to said second cylindrical housing. 18. The car seat and stroller assembly as claimed in claim 17, wherein said actuator has a plurality of projecting rods extending through said first pivot member and in contact with said positioning member such that, upon operation of said actuator, said projecting rods push said positioning member away from said first pivot member. 19. The car seat and stroller assembly as claimed in claim 15, wherein each of said first and second pivot members includes a plurality of projections formed on a respective one of said first and second cylindrical housings and arranged circumferentially of the respective one of said first and second cylindrical housings, any two adjacent ones of said projections defining an engaging groove therebetween, said positioning member being configured as a gear having a plurality of teeth engaging respectively said engaging grooves in each of said first and second pivot members to lock said first and second pivot members relative to each other. 20. The car seat and stroller assembly as claimed in claim 19, wherein each of said teeth of said positioning member has an inclined side surface facing said first pivot member such that, when said footrest is pivoted upwardly relative to said seat rods, said projections of said first pivot member come into slidable contact with said inclined side surfaces of said teeth of said positioning member to push said positioning member toward said second pivot member. 21. The car seat and stroller assembly as claimed in claim 11, wherein said car seat has two said curvilinear lips, and each of said push rods is provided with a webbing clamped between said housing body and a corresponding one of said curvilinear lip of said unitary housing for preventing movement of said car seat on said frame. 22. The stroller as claimed in claim 11, wherein at least one of said side rod sections is formed with a stop block for interfering with said middle rod section to prevent outward pivoting movement of said side rod sections relative to said middle rod section.
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이 특허에 인용된 특허 (45)
Chen,Shun Min, Baby carriage chassis adapted to support a baby's car seat thereon.
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