• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    Trestle for children stroller, child stroller and use of a corresponding easel. The ridge (1) comprises a tubular body (2) and fixing means (8) to fix the ridge (1) to the stroller (100). The tubular body (2) and the fixing means (8) are mounted movable relative to one another, so that the stand (1) can change its position between a folded position, in which the tubular body (2) remains next to the stroller (100) and away from the ground, and a deployed position, in which the tubular body (2) is remote from said stroller (100) and the far end makes contact with the ground. In addition, the ridge (1) comprises first retaining means that retain said ridge (1) at least in the folded and unfolded positions. Furthermore, the invention relates to a stroller (100) that incorporates the trestle (1) as well as to the use of an easel (1) in a stroller (100). (Machine-translation by Google Translate, not legally binding)
    公开号:ES2635619A1
    申请号:ES201730452
    申请日:2017-03-28
    公开日:2017-10-04
    发明作者:David OLLER ALONSO；Leonor MARUENDA LLOBERA
    申请人:David OLLER ALONSO；Leonor MARUENDA LLOBERA；
    IPC主号:
    专利说明:

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    Easel for stroller, stroller and use of a corresponding easel.
    Field of the invention
    The invention is located in the field of childcare.
    More particularly, the invention relates to an easel for a stroller comprising a tubular body with a first and a second end.
    The invention also relates to a stroller comprising a chassis, at least three support wheels, two of said at least three coaxial wheels and said at least three wheels being mounted, on corresponding forward axes, in a rotating manner. with respect to said chassis to provide a forward and reverse movement of said stroller, said stroller also comprising gripping means protruding from the rear of said chassis, beyond a vertical first plane passing through the support point of the wheel or wheels on the ground at the back of said chassis.
    Finally, the invention also relates to the use of an easel in a pram.
    State of the art
    Strollers are known for transporting small children or babies. This type of vehicle is built from a tubular chassis on which a textile cover or a carrycot is mounted that serves both to transport the child sitting or stretched.
    A very important requirement in this type of vehicles is that they are very light, so that they have a good maneuverability and can be easily manipulated to store them, for example, in the trunk of a car.
    The chassis of these strollers is normally mounted on three or four wheels mounted on horizontal axles to provide the advance or recoil of the stroller when it is pushed or pulled by means of gripping means. These gripping means are usually two hook-shaped grips or a crossbar to the direction of travel of the stroller provided on the back of the chassis, protruding from the chassis cantilever, beyond the vertical that passes through the support point of The wheels on the ground.
    EP 2570325 A1, EP 2848494 A1 or EP2691284 show examples of strollers known in the state of the art of the type described herein.
    In known strollers, the gripping means are always far from the vertical of the rear wheels of the stroller. This gives the adult who pushes the stroller enough space to be able to push the stroller and walk comfortably without his feet hitting the frame or the rear wheels at every step he takes.
    It is known that parents of children who use a stroller use the stroller as a support to hold all kinds of items. For example, the bars of the empunaduras or the crossbar are widely used as a support point for bags for childcare articles of the stroller, of the school bags of the children of the child, of the coats of the whole family or of the grocery bags when the purchase is going to be made.
    While the child is sitting in the stroller chair or stretched in the carrycot, the stroller loaded with stuff on the pomples or the crossbar holds up well. On the other hand, when the child gets up from the chair or the adult takes the baby that is stretched in the carrycot, the child
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    The weight of the devices hanging from the gripping means causes a couple of force with respect to the point of support of the rear wheels. This pair unbalances the stroller and ends up knocking it down.
    In the best case, the fact that the stroller is lying down is simply a nuisance. In the worst case, when the stroller is lying down, the items that hang from the bars get dirty because they fall on the ground, muddy or similar or if they are breakable items, such as glass bottles or the like, These are broken.
    Until now, a solution to this common problem is not known.
    Summary of the invention
    The invention raises the problem of making it possible for a stroller of the type indicated at the beginning to be able to withstand more weight hanging from the empunaduras or the crossbar of direction of the stroller.
    This purpose is achieved by an easel for a stroller of the type indicated at the beginning, characterized in that it also comprises fixing means at said first end to fix said easel to a fixing point of said stroller, by which said tubular body and said fixing means, at said first end, are mounted movable with respect to each other, so that said stand can modify its position between a folded position, in which said tubular body is in operation close to said stroller and away from the ground and an unfolded position, in which said tubular body is in operation away from said stroller so that said second end makes contact with the ground, and because said easel also comprises first retention means configured to reversibly retain said easel at least in said folded and unfolded positions.
    In fact, thanks to the easel according to the invention, when weight is placed on the means of gripping the stroller, the stroller improves its stability significantly. With the stand in the unfolded position, weight can be placed on the recesses or on the crossbar without risk of the stroller lying down due to the torque caused by this additional weight. In addition, this advantage is obtained, not only when the child gets up or the adult takes him in the arms, but also with the child sitting or stretched in the stroller and with an overload greater than the child's own weight. This can be very useful, for example, when you go shopping at the market or supermarket and multiple heavy bags are placed in the empunaduras, the bar of the empunaduras or the crossbar of direction of the stroller.
    In addition, the invention encompasses a series of preferred features that are the subject of the dependent claims and whose utility will be highlighted later in the detailed description of a form of embodiment of the invention.
    In an embodiment which aims to facilitate that when the stand is mounted in the stroller it can be operated, for example, with the foot without the need to use the hands, said tubular body and said fixing means are mounted articulated with respect to each other. to the other through an articulation, to modify its position between said folded position and said deployed position.
    In a particularly preferred embodiment, the fixing means are removable, so that the easel can be removed for use in different strollers.
    Another problem posed by the invention is that the easel is the most versatile and adaptable to different stroller geometries or that allows the stroller to be folded without
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    Four. Five
    need to disassemble the easel. Therefore, in a preferred embodiment of the stand, the tubular body comprises at least one telescopic section to vary the dimensions of said stand.
    It may also be necessary that the easel can better adapt to the weight that is desired to be placed in the gripping means. Therefore, in a preferred embodiment, the stand also comprises second retention means configured to retain said telescopic section in a given dimension of stand. When the stand can be lengthened with the telescopic section, the greater the weight, the longer stand will be adjusted by means of retention.
    In another embodiment that seeks to place a very high and off-center weight with respect to the middle longitudinal plane of the stroller, the tubular section has a U-shape so that it has two first ends on the arms of said U and a second end on the base of said U, each of said first ends comprising said fixing means and said telescopic section is arranged at the base of said U.
    In another embodiment that is intended to assist in supporting the load placed on the gripping means during the movement of the stroller, the stand comprises at least one auxiliary wheel rotatably mounted on an auxiliary axis provided at said second end, said axis being transverse to said tubular body, so that said auxiliary wheel can roll in the forward direction of said stroller. This allows, for example, to load the arms of the stroller with bags containing bottles of water without fear of the stroller becoming unbalanced. For this, the stand retaining means can be firmly fixed to be able to support the weight in a timely manner.
    In another embodiment, said tubular body and said easel fixing means are mounted articulated with respect to each other through said articulation to laterally increase the support surface of said stroller in the sense of the width of said stroller. This prevents that in the deployed position, the stroller can tip sideways.
    The invention also proposes to propose a new stroller that overcomes the aforementioned problems. This problem is solved by a stroller of the type indicated at the beginning characterized in that it also comprises an easel being said easel being mounted on the back of said chassis through the fixing means of said easel, so that the tubular body of said easel and said fixing means are mounted movable with respect to each other, so that said stand can modify its position between a folded position in which said second end is close to said chassis and away from the ground, and a deployed position in which said tubular body is disposed away from said chassis so that the second end of said easel makes contact with the ground at least at a point that is beyond said first vertical plane passing through said point of support of the or the rear wheels on the ground. Again, a stroller of this type allows to load a heavy weight on the guiding means or on the side bars of the chassis, without risk of tipping over.
    Particularly preferably, said tubular body and said fixing means are mounted articulated with respect to each other through a joint to modify its position between said folded position and said deployed position. With this, the stroller solves the proposed problem, but also, the easel is better integrated into the structure of the stroller chassis and is easier to handle with the foot.
    In another embodiment of the stroller which is intended to withstand high weights hung from the gripping means of the stroller, in said deployed position, said second end of
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    said easel is disposed beyond a vertical second plane that passes through the furthest end of said gripping means.
    Also with the aim of improving the ergonomics of the stroller and preventing it from making it difficult for the adult user to walk comfortably when pushed, in said folded position, said easel is attached to said chassis.
    In another form of stroller realization that seeks the greatest possible stability during use with and without an easel, said at least three wheels are, two rear wheels and at least one front wheel, said at least one front wheel being mounted, mounted Rotating crazy around an axis of direction. In this way, the stroller has greater lateral stability in the area that must support more weight of the stroller.
    In another alternative embodiment, said stand is mounted on said chassis and can rotate externally around an axis.
    Finally, the invention also solves the problems set forth above through the use of an easel according to the invention in a stroller comprising a chassis, at least three support wheels, two of said being at least three coaxial wheels and being said by at least three wheels mounted, in corresponding forward axes, rotatably with respect to said chassis to provide a forward and reverse movement of said stroller, and said stroller also comprising gripping means that project in cantilever from the back of said chassis , beyond a vertical foreground that passes through the point of support of the wheel or wheels on the ground at the back of said chassis.
    Likewise, the invention also encompasses other detail features illustrated in the detailed description of an embodiment of the invention and in the accompanying figures.
    Brief description of the drawings
    Other advantages and characteristics of the invention can be seen from the following description, in which, without any limiting character, some preferred ways of carrying out the invention are described, mentioning the accompanying drawings. The figures show:
    Fig. 1, a schematic side view of a pram that incorporates an easel according to the invention, the easel being in a folded position.
    Fig. 2, a schematic side view of the stroller of Figure 1, the stand being in the deployed position.
    Fig. 3, a schematic detail view of the easel in deployed position.
    Fig. 4, a schematic perspective view of a pram with a second embodiment of the easel according to the invention, the easel being in a folded position.
    Fig. 5, a schematic perspective view of the stroller of Figure 4, the stand being in the deployed position.
    Fig. 6, a schematic side view of another embodiment, the stand being in an unfolded position.
    Fig. 7, a schematic top plan view of a stroller according to the invention, with two easels according to the invention in deployed position.
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    Detailed description of some embodiments of the invention
    In figures 1 to 3 a first embodiment of the easel 1 for a stroller according to the invention is shown, as well as a stroller 100 in which the easel 1 can be mounted.
    The stroller 100 comprises a tubular chassis 102 on which a saddle 114 is mounted as a textile sheath wrapped on the chassis tubes and which leaves a large part of the rear part of the chassis 102 accessible for mounting the stand 1.
    The stroller 100 of this form of realization has four support wheels 104. However, the same stand 1 could be mounted in a tricycle type stroller 100, with two rear wheels and one front. It is also not ruled out that the stroller 100 could have two front wheels 104 and a single rear wheel 104. In this case, the easel 1 according to the invention could also function satisfactorily.
    The front and rear wheels 104 of the stroller 100 provide a forward and reverse movement of the stroller 100 when the user pushes or pulls the stroller. To this end, the two rear wheels 104 are coaxial and are rotatably mounted on a feed shaft 106. In turn, the two front wheels 104 are also coaxial and are swivel mounted with respect to the chassis 102 on feed shafts 106, but also are mounted rotating and crazy around its axis of direction 110 vertical, corresponding. This allows the stroller 100 to be guided comfortably.
    Finally, the stroller 100 also has gripping means 108 that project in cantilever from the rear of the chassis 102, beyond the first vertical plane P1 that passes through the support point of the rear wheels 104, on the ground in the part rear of the chassis 102. The gripping means 108 in this stroller 100 are longitudinal bars 116 that end in the form of a hook, as a handle covered by a rubber or expanded polyurethane sheath. Alternatively, in other types of stroller 100, the gripping means 108 is a crossbar that is the continuation of the longitudinal bars 116. In this crossbar, the adult user places the hands to guide the stroller 100.
    To solve the problem of being able to load the stroller with a greater weight in the gripping means, the invention provides an easel 1 that can be used in existing strollers 100.
    For this, the stand 1 according to the invention has a tubular body 2 formed from at least one outer tube and a solid bar or alternatively another tube guided within the inner diameter of the outer tube.
    The tubular body material 2 can be a metal such as steel, aluminum or the like or a timely reinforced thermoplastic, such as a polyamide 6 or 66 with glass fiber or carbon fiber. It is also conceivable to use other materials such as carbon fiber to build the easel 1.
    The tubular body 2 has a telescopic section 14 which in this case allows to vary the length of the easel 1. In this way, it can be adapted to all types of strollers 100. The cross-section of the tubes or bars can be any, such as circular, square or others.
    The tubular body 2 has a first and a second end 4, 6. At the first end 4, the stand 1 has fixing means 8 as a clamp or jaw for fixing the stand 1 to a fixing point of the chassis 102 from the stroller 100 for children, such as the longitudinal bar that ends at the guide handles. In this case, the fixing means 8
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    They are removable to be able to assemble and disassemble them for convenience. However, this is not essential for the invention. The fixing means 8 can be fixed once in the stroller 100 and can no longer be disassembled.
    In this embodiment, at the first end 4, the tubular body 2 and the fixing means 8, are mounted movable with each other. In operation, the tubular body 2 and the fixing means 8 can be moved relative to each other, so that the stand 1 can change its position between a folded position and an unfolded position.
    More particularly, in order to achieve these two positions, the tubular body 2 and the fixing means 8 are mounted articulated with respect to each other through the articulation 10. With this, by turning the tubular body 2 around the articulation 10, in the direction of the arrow B of the figures, the stand 1 can modify its position between the folded position (figure 1), in which the tubular body 2 is close to the frame 102 of the stroller 100 and away from the ground and an unfolded position (Figures 2 and 3), in which the tubular body 2 is away from the frame 102 of the stroller 100 and the second end 6 makes contact with the ground.
    Furthermore, thanks to the first retention means provided in the area of the joint 10, the stand 1 can be reversibly retained at least in the folded and unfolded positions. It could also be retained in other intermediate positions between fully folded and fully deployed positions. However, when the stand 1 is telescopic, this is not essential.
    On the other hand, the person skilled in the art knows different retention means that allow the articulation 10 to be reversibly blocked and therefore are not shown in detail in the figures. However, by way of example, known systems such as, for example, an elastic strap that locks the folded and unfolded positions, pin and spring systems in which the pin fits into the extreme positions can be used as retention means the action of the spring on a wavy profile that marks the retention positions or other systems, such as tightening and locking screws.
    The stand 1 of the figures also comprises second retaining means 12 configured to retain the telescopic section 14 at the optimum stand length 1 for the geometry of the stroller on which it has been mounted. In this case, the retaining means 12 consist of a thread tightening system that compresses the outer tubular section, against the inner tubular section of the tubular body 2.
    As can be seen in the figures, the easel 1 according to the invention can be used and adapted to any type of stroller 1 in the market.
    As can be seen in figure 2, when the adult user wishes to leave the stroller 100 parked and take advantage of it as a support, placing heavy elements in the gripping means 108 of the stroller 100, such as bags 118 or coats 120, he must simply change the position of the easel 1 from the folded position of Figure 1 to the deployed position of Figure 2, for example, with the foot. In figure 3 it can be seen that, in operation, the tubular body 2 is distant from the stroller 100 so that the second end 6 makes contact with the ground, at a point away from the rear wheels 104. This prevents that if the weight is very high or if the child gets up from the stroller 100, the stroller 100 will lie down.
    Below are other embodiments of the easel 1 and the stroller 100 according to the invention that share much of the features described in the preceding paragraphs. Therefore, from now on only the differentiating elements will be described, while for the common elements reference is made to the description of the first embodiment.
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    In the embodiment of Figures 4 and 5, the stand 1 is designed to be integrated into the chassis 102 of the stroller 100 itself, so that the stand is part of the product as can be purchased at the childcare store.
    The stroller 100 of Figures 4 and 5 is very similar to the one shown above. It should only be noted that the gripping means 108 protruding in a cantilever from the rear of the chassis 102 also, as in Figures 1 to 3, extend beyond the first vertical plane P1 passing through the support point the wheels 104 rear.
    The tubular body 2 of the easel 1 of this stroller 100 has a U-shape so that it has two first ends 4 on the arms of said U and a second end 6 at the base of the U. Each of the first ends 4 has some fixing means 8 for fixing the stand 1 to the chassis 102.
    On the other hand, in order to guarantee the correct folding of the stroller 100, the telescopic section 14 of the easel 1 is arranged at the base of said U. With this, during folding, a bar slides inside the other tubular bar and the Pram without problems. Although not shown, the longitudinal sections 20 of the tubular body 2 could also be telescopic.
    Also as in the previous case, the tubular body 2 of the easel and the fixing means 8 are mounted mobile with respect to each other. More particularly, in this embodiment they are mounted articulated with respect to each other through an articulation 10 so that the stand 1 can modify its position between: the folded position is next, or better still, it is attached to the chassis 102 and away from the ground, and an unfolded position in which the tubular body 2 is disposed away from the chassis 102 so that the second end 6 of the stand 1 makes contact with the ground at point A1 which is beyond the foreground vertical P1 passing through said support point of the rear wheels 104 on the floor 112.
    It is also found that in the deployed position, if the second end 6 of the stand 1 is disposed beyond a second vertical plane P2 passing through the furthest end of said gripping means 108, the stability is improved.
    In this embodiment, the fixing means 8 are fixedly mounted on the tubular chassis. However, this is not essential for the invention. Alternatively, this same U-stand could have removable fixing means 8 for disassembling the easel 1 if necessary.
    Figure 6 shows a third embodiment of the easel according to the invention, which shares the majority of features of the easel 1 of the first embodiment. However, as particular characteristics, it should be noted that in this case, the stand 1 comprises an auxiliary wheel 16 rotatably mounted on an auxiliary axle 18 provided at the second end 6, said axis being transverse to said tubular body 2, so that said wheel auxiliary 16 can roll in the forward direction of said stroller 100, which corresponds to the horizontal direction of the plane of the figures. Thanks to this auxiliary wheel 16, the stand 1 can be left in the unfolded position while pushing the stroller. This can be very useful, to load very heavy weights, for example, when you go to the supermarket. If the weight of the bags is greater than the weight of the child, it could happen that the stroller 100 flips over with the child sitting in the seat 114.
    Finally, in this embodiment the stand 1 is articulable to laterally increase the support surface of said stroller 100, in the sense of the width of said stroller 100. For this, the fixing means 8 are mounted on one of the tubes lateral
    122 rear of the chassis 102 being able to rotate externally around the axis 22. In this way, the stand 1 can be rotated externally, leaving the plane of Figure 6 and the lateral support base of the stroller 100 is increased.
    It should be noted that the possibility of turning the stand 1 externally or internally does not have because 5 is linked to the existence of the auxiliary wheel 16. Thus, the stand 1 of Figures 1 to 3 can also have this characteristic.
    Finally, Figure 7 schematically shows an embodiment with two easels 1 according to the invention in which they are deployed outwardly to increase the lateral support area of the stroller 100, which in this case is a tricycle.
    The embodiments described hereinabove represent non-limiting examples, so that the person skilled in the art will understand that beyond the examples shown, multiple combinations between the claimed characteristics are possible.
    权利要求:
    Claims (15)
    [1]
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    1. - Easel (1) for baby carriage (100) comprising a tubular body (2) with a first and a second end (4, 6), characterized in that it also comprises:
    [a] fixing means (8) at said first end (4) for fixing said easel (1) to a fixing point of said baby carriage (100), because
    [b] said tubular body (2) and said fixing means (8), at said first end (4), are mounted movable with respect to each other, so that said easel (1) can modify its position between:
    [i] a folded position, in which said tubular body (2) is in operation next to said stroller (100) and away from the ground, and
    [ii] an unfolded position, in which said tubular body (2) is in operation away from said stroller (100) so that said second end (6) makes contact with the ground, and why
    [c] said easel (1) also comprises first retention means configured to reversibly retain said easel (1) at least in said folded and unfolded positions.
    [2]
    2. - Easel (1) according to claim 1, characterized in that said tubular body (2) and said fixing means (8) are mounted articulated with respect to each other through an articulation (10) to modify its position between said folded position and said unfolded position.
    [3]
    3. - Easel (1) according to claim 1 or 2, characterized in that said fixing means are removable.
    [4]
    4. - Easel (1) according to any of claims 1 to 3, characterized in that said tubular body (2) comprises at least one telescopic section (14) to vary the dimensions of said easel (1).
    [5]
    5. - Trestle (1) according to any one of claims 1 to 4, characterized in that it also comprises second retention means (12) configured to retain said telescopic section (14) in a given dimension of easel (1).
    [6]
    6. - Easel (1) according to claim 4 or 5, characterized in that said tubular body (2) has a U-shape so that it has two first ends (4) in the arms of said U and a second end (6) at the base of said U, each of said first ends (4) comprising said fixing means (8) and by which said telescopic section (14) is arranged at the base of said U.
    [7]
    7. - Easel (1) according to any one of claims 1 to 6, characterized in that it comprises at least one auxiliary wheel (16) rotatably mounted on an auxiliary axle (18) provided on said second end (6), said axis being transverse to said tubular body, so that said auxiliary wheel (16) can roll in the forward direction of said stroller (100).
    [8]
    8. Easel (1) according to any of claims 2 to 7, characterized in that said tubular body (2) and said fixing means (8) are mounted articulated with respect to each other through said joint (10) to increase laterally the support surface of said stroller (100) in the sense of the width of said stroller (100).
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    [9]
    9. - Stroller (100) child that includes
    [a] a chassis (102),
    [b] at least three support wheels (104), two of said being at least three coaxial wheels (104) and said at least three wheels (104) being mounted, in corresponding feed shafts (106), so rotatable with respect to said chassis (102) to provide a forward and reverse movement of said stroller (100),
    [c] said stroller (100) further comprising gripping means (108) projecting overhang from the rear of said chassis (102), beyond a vertical first plane (P1) passing through the support point of the wheel (104) on the ground at the back of said chassis (102),
    characterized by also comprising
    [d] an easel (1) according to any one of claims 1 to 8,
    [e] said stand (1) being mounted on the back of said chassis (102) through the fixing means (8) of said stand (1), so that the tubular body (2) of said stand and said fixing means (8) are mounted mobile with respect to each other, so that said easel (1) can modify its position between:
    [i] a folded position in which said second end (6) is close to said chassis (102) and away from the ground, and
    [ii] an unfolded position in which said tubular body (2) is disposed away from said chassis (102) so that the second end (6) of said stand (1) makes contact with the ground at least in one point (A1) that is beyond said first vertical plane (P1) passing through said point of support of the rear wheel (104) on the ground.
    [10]
    10. - Baby carriage (100) according to claim 9, characterized in that said tubular body (2) and said fixing means (8) are mounted articulated with respect to each other through an articulation (10) to modify its position between said folded position and said deployed position.
    [11]
    11. - Baby carriage (100) according to claim 9 or 10, characterized in that in said deployed position, said second end (6) of said easel (1) is arranged beyond a second vertical plane (P2) that passes through the furthest end of said gripping means (108).
    [12]
    12. - Pram (100) for children according to any of claims 9 to 11, characterized in that in said folded position, said stand (1) is attached to said chassis (102).
    [13]
    13. - Pram (100) for children according to any of claims 9 to 12, characterized in that said at least three wheels (104) are, two rear wheels (104) and at least one front wheel (104), said being at least one front wheel (104), mounted swivel insane about a direction axis (110).
    [14]
    14. - Pram (100) for children according to any of claims 9 to 13, characterized in that said stand (1) is mounted on said chassis (102) being able to rotate externally around an axis (22).
    [15]
    15. Use of an easel (1) according to any of claims 1 to 8 in a stroller (100) for children.
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    同族专利:
    公开号 | 公开日
    ES2635619B1|2018-07-18|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    GB602852A|1945-12-27|1948-06-03|Correze Aage Oscar Berner|A device for stabilising a baby carriage or the like|
    US4730842A|1986-04-18|1988-03-15|Wheel Ring, Inc.|Adjustable wheelchair|
    US20140284892A1|2013-03-19|2014-09-25|Jennifer Farina|Tipping Support for a Stroller|
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