Abstract: A stroller is provided having a stroller frame supported by front and rear wheels. The frame includes a latch assembly that is movable between a locked and an unlocked position. When in the locked position, the latch assembly prevents the frame from being folded. When in the unlocked position, the latch assembly allows the frame to be folded. The frame is connected to an ergonomically friendly handlebar having discrete outer ends. The handlebar includes a latch release handle that is operably connected to the latch assembly.

Abstract: A collapsible infant carrier apparatus comprises a support frame including front and rear leg frames and a handle, and a linkage frame pivotally connected with the front leg frame and the handle. A first latch mechanism is connected between the handle and the linkage frame, wherein the first latch mechanism is operable to lock the handle in position relative to the linkage frame. A second latch mechanism is connected between the linkage frame and the front leg frame and having a locked state and an unlocked state, wherein the second latch mechanism when in the locked state locks the linkage frame with the front leg frame, and the second latch mechanism when in the unlocked state enables rotation of the linkage frame relative to the front leg frame. The infant carrier apparatus can be collapsed by rotating the linkage frame.

Abstract: A wheelchair includes a frame, a seat, a pair of wheels, and a locking mechanism. The seat is disposed on the frame. The pair of wheels is rotatably supported on the frame. At least one of the pair of wheels includes a removable section that is configured to form a part of an outer circumference of the wheel and to be removable when the wheel is at a predetermined angular position, and a remaining section that is configured to form the outer circumference of the wheel together with the removable section. The locking mechanism is configured to lock the wheel at the predetermined angular position. Under the condition where the wheel is locked, the removable section is separated from the remaining section to facilitate a person to get on and off the seat.

Abstract: Wheelchair side guards are provided with a strip and covering materials. The strip is sufficiently rigid to keep the shape and position of the side guards such that a user and their clothes are kept away from the wheelchair wheels. The side guards may also comprise a hinge near the middle that permit the wheelchair backrest to fold.

Abstract: Comfort push stroller is a device with at least one adjustable handle that may be raised and lowered and/or telescoped, adjustable to accommodate user-pushers of varying heights. The handle(s) on this device may be adjustable thereby allowing the user to raise the handle(s) to a height that is found most comfortable by individuals of virtually all heights. The handle(s) may include at least one inner tube and at least one slightly larger outer tube that fits concentrically over the inner tube. Depressible spring-loaded push-buttons are located on the outer tubing and are designed to couple the inner tube to the outer tube in a locked relationship thereby permitting a user to vertically height-adjust and set the vertically adjustable handle to a user-preferred height via telescoping action.

Abstract: A detachable tray accessory for a stroller secured by a left and right side member or lock housing member each containing a detachable attaching means that attaches to and releases from a corresponding lock receiver on the stroller assembly or stroller seat. The detachable tray accessory for a stroller includes a support bar for supporting the shape and weight of a flat surface tray removably attachable to the support bar.

Abstract: A wheelchair that upon folding can become more compact for transporting and storage by enabling the vertical side frames of the wheelchair to move towards each other through the use of a sliding mechanism.

Abstract: Disclosed herein are soft goods attachment designs and techniques for a stroller. The stroller includes a frame having a section, and further includes a soft goods component with an edge having a loop that forms a tunnel running along the edge. The soft goods component is attached to the section of the frame at the edge. A support strip is inserted in the tunnel and shaped to extend along the edge of the soft goods component and follow the section of the frame to facilitate attachment of the soft goods component to the frame. In some cases, a set of fasteners extends through the support strip to secure the soft goods component to the frame.

Abstract: A mobility device includes at least a first front leg and at least a first rear leg connected to the first front leg connected to the first front leg. The first rear leg includes an upper member having a first end a second end and a lower member having a first end and a second end. The first end of the upper member is pivotally connected to the first end of the lower member, and the lower member is preferably pivotal between an extended use position and a folded storage position.

Abstract: A foldable wheeled container having a frame; at least two wheels connected to the frame; a tensioning cable housed within the frame; a plurality of hinge points, wherein when the frame rotates around the hinge point the tensioning cable is aligned; and a locking mechanism which tighten and locks the tensioning cable in its tightened position to form a rigid structure. A stroller having a similar structure including a frame; at least four wheels connected to the frame; a tensioning cable integrally connected to the frame; a plurality of hinge points, wherein when the frame rotates around the hinge point the tensioning cable is aligned; and a locking mechanism which tightens and locks the tensioning cable in its tightened position.

Abstract: A folding chair includes handle frames, and front legs and rear legs configured to support the chair in an upright position. The front legs are pivotally attached to respective rear legs. A chair portion, includes a back rest, a seat, and a leg rest pivotally attached to the seat. Pivot frames are pivotally attached to respective handle frames, the back rest, and the rear legs. Sliders are pivotally attached to respective pivot frames, the back rest, respective arm rests, and the seat, and are configured to slide along the front legs.

Abstract: A foldable wheelchair includes a frame having a seat bottom and a seat back movable relative to the seat bottom, wherein the seat back can be moved between a folded position such that the seat back extends generally parallel to a plane defined by the seat bottom and one or more unfolded positions to provide back support to a user. The foldable wheelchair can have a leg support movable relative to the seat bottom and can be moved between an unfolded position to support a user's legs and a folded position such that the leg support extends generally parallel to said plane defined by the seat bottom. In the folded position, the seat back, seat bottom and leg support define generally parallel planes.

Abstract: A foldable people-carrying vehicle includes two pivotal members interposed between and pivoted at two ends thereof to a vehicle body and a seat of the vehicle; the vehicle further includes a fixing mechanism to fix the seat; the pivotal members each have a first fixing hole to cooperate with the fixing mechanism in order to fix the seat in a lowered not-in-use position, and a second fixing hole to cooperate with the fixing mechanism to fix the seat in a raised in-use position; the fixing mechanism includes two spring-biased fixing components, which are normally partly held in the fixing holes to fix the seat; a handle is fitted on the seat, and two pulling strings are connected to the handle, and connected to the fixing components respectively; the fixing components can be moved out of the fixing holes for the seat to become movable when the handle is pulled.

Abstract: An embodiment of the present invention discloses a carriage, for instance for a buggy, including a frame to which a number of first arms are pivotally connected, wherein the first arms can be placed in a position of use and in a compact position, wherein the carriage has at least one locking device. An embodiment of the invention is directed to a carriage including at least one second arm which is pivotally connected to at least one first arm, wherein the second arm can be locked in the position of use by at least one locking device. An embodiment of the present invention also discloses a mobile carriage having a frame provided with at least one central part and with at least one third arm which is connected fixedly to the central part, wherein the buggy has a position of use and a compact position.

Abstract: A cart apparatus to facilitate the play of disc golf may include but not be limited to a chassis, at least three wheels rotatably coupled to the chassis, a handle member mounted to the chassis, a floor platform mounted on the chassis and at least one seat member retractably mounted on the floor platform such that the seat member descends through the floor platform with the application of a sufficient weight and the seat member ascends through the floor platform after the removal of the weight. The seat member may consist of a seat mounted on a support. When someone sits on the seat the seat support descends through a hole in floor platform until it hits the ground. The ground then supports the weight of the sitter. When the sitter stands up and gets off the seat, the member ascends through the floor platform back to its starting position, or close thereto. Folding or collapsible embodiments of the cart apparatus allow it to be stored or transported more easily.

Abstract: A buggy for transporting children has a frame (3a, 3b, 5) and wheels (9) that are rotatably mounted relative to the frame to support the frame above a ground surface. A primary seat (8) is operatively supported by the frame for supporting a first child. A secondary seat (17) is operatively supported by the frame for supporting a second child. The buggy is convertible between an in use configuration for transporting children and a folded storage configuration, whether or not the secondary seat is attached. The secondary seat may be detachable.

Abstract: A collapsible stroller is provided.

Abstract: A basket structure for a stroller is formed with a basket tube extending around the upper surface of the basket structure from one seat tube to the laterally opposing seat tube. The basket tube is a single formed tubular member that extends rearwardly from the seat tubes and bends downwardly at a rearward end thereof to define an access opening. The formed basket tube is depressed at the access opening below the surface against which the seat back is located when lowered into a reclined position. The access opening, therefore, remains open and allows access into the interior of the basket, even when the seat back is reclined, without disturbing the child positioned in the seat.

Abstract: This children's carriage (1) comprises a frame (10) that supports a seat or the like for the child, equipped with a rear bar for pushing the carriage. The frame is equipped, at the front with a warning light controlled by means of a control switch provided on the push bar in order to limit the risks of collisions between the children's carriage and vehicles traveling in proximity thereto such as automobiles. In order to confer a good-looking aesthetic appearance to children's carriage, particularly at the warning light, the frame is equipped with a front wheel (18), which is supported on the ground and joined to the frame by a fork (22?) that is articulated with regard to the frame, an external housing (26) of the light (24) forming, at least in part, a decorative element in the area of the articulation of the fork with regard to the frame.

Abstract: An improved pushchair frame (10) of a type that can be collapsed for ease of transport or storage etc. The frame comprising a push/pull handle (12), a front wheel frame (14) on which at least one front wheel (16) is rotatably mounted and a rear wheel frame (18) on which at least one rear wheel (20) is rotatably mounted. The frame comprising a seat mounting yoke (22) to which the front and rear wheel frames are coupled, at least one of the front and rear wheel frames being pivotably coupled to the yoke, the frames having an operating position in which they are spaced from one another and a stowed position in which they are generally adjacent one another. The seat mounting yoke is rotatable, relative to at least one of the front and rear wheel frames, between an operating position and a stowed position in which the yoke is located generally adjacent one of the front and rear wheel frames. A retaining means maintains the yoke and the front and rear wheel frames in their operating position.

Abstract: A folding chair includes handle frames, and front legs and rear legs configured to support the chair in an upright position. The front legs are pivotally attached to respective rear legs. A chair portion, includes a back rest, a seat and a leg rest pivotally attached to the seat. Pivot frames are pivotally attached to respective handle frames, the back rest and the rear legs. Sliders are pivotally attached to respective pivot frames, the back rest, respective arm rests and the seat and are configured to slide along the front legs.

Abstract: A collapsible pushchair can be expanded into a deployed state for carrying a child and collapsed into a portable state for being carried as a piece of luggage. Transformation of the pushchair between its deployed and portable states is enabled by the use of rotationally mounted chair legs.

Abstract: A folding stroller having a structural frame formed of a plurality of rigid support members. The stroller is provided with a skirt formed of a flexible material. The skirt can be disposed around at least a portion of an outer perimeter of the stroller to create a visual impression of something other than an ordinary stroller. For example, the skirt can create a visual impression of a vehicle such as an automobile, truck, airplane, spacecraft, an animal or a character. The skirt can be formed of fabric, plastic sheeting or film, or a mesh. A suspension frame is provided for suspending the skirt along a least a portion of an upper edge thereof. The suspension frame can at least partially define a profile of the vehicle, animal or character. The suspension frame folds with the structural frame of the stroller for ease of storage.

Abstract: A modular chassis of a stroller system includes a body, a front wheel mount on the body, a rear wheel mount on the body, and at least one stroller frame mount on the body. The stroller frame mount is configured to couple releasably and interchangeably a first stroller frame configuration and a second stroller frame configuration different from the first stroller frame configuration to the body.

Abstract: A stroller comprising at least one seat assembly, a first part comprising at least one front wheel, a second part comprising at least one rear wheel, and a third part comprising at least one push rod provided with a handle, at least two of which parts are each provided with at least one toothing which is pivotable about a pivot pin. The toothings are in mesh with each other, thus pivotally interconnecting the three parts. The second part comprises an arcuate rod, which is provided with at least one rear wheel at both ends, which arcuate rod is pivotally connected to the first part and the third part between its two ends.

Abstract: The present invention relates to a mobile vehicle or wheelchair having the ability to provide stabilized transport to at least one individual on a variety of surfaces, slopes and/or terrains. The mobile unit or wheelchair of the invention may travel across smooth and very rough surfaces, slopes of varying or different angles and various outdoor terrains (including grassy, rocky, sandy, muddy and/or hilly terrains). In one aspect of the invention, the height of any part of the unit or the overall height of the device may be adjusted preferably to raise or lower the center of gravity. For example, the height of the device may be lowered to provide more stable transportation. In another aspect, the device may be adjusted to increase or decrease the size of the footprint (or any part of the footprint) of the device. For example, the footprint of the device may be enlarged to provide more stable transportation.

Abstract: An accessory support device for a stroller apparatus comprises a coupling fixture securely mounted on a handle of a stroller and including a plurality of latching openings, a rotary socket pivotally assembled with the coupling fixture and including a detent and a connecting portion, and an accessory support frame detachably fastened with the connecting portion of the rotary socket. The accessory support frame is operable to rotate with the rotary socket relative to the coupling fixture, and the detent is movable to engage with any one of the latching openings for locking the accessory support frame at different angular positions relative to the coupling fixture.

Abstract: The invention concerns a standing wheelchair for handicapped and invalid people, that includes a chassis supporting an articulated structure which includes a seat support structure, a footrest support structure, a backrest support structure, and support and maneuvering resources of the articulated structure. The support and maneuvering resources are located between the articulated structure and the chassis and which are designed to move the articulated structure from a sitting position to a standing position set back in relation to the sitting position, and vice versa. According to the invention, the standing wheelchair includes resources for setting the angle (?) between the footrest and the seat in the standing position.

Abstract: Sit or stand strollers and methods of using and making the same are described herein. An example stroller includes a frame and a seat having a seat pan. The seat pan is pivotable between a raised position and a lowered position. In the lowered position, the seat pan is to support a child in a seated position. The example stroller also includes a foot platform coupled to the frame to support a child in a standing position.

Abstract: A stroller includes a lower carriage, an upper carriage and a foldable support assembly. The upper carriage is pivotally connected to the lower carriage. The foldable support assembly comprises a connecting member, an upper support member and a lower support member. One end of the upper support member is pivotally connected to the upper carriage. One end of the lower support member is pivotally connected to the lower carriage. At least one of the other end of the upper support member and the other end of the lower support member is pivotally connected to the connecting member.

Abstract: A baby stroller for transporting an infant at speeds faster than normal walking is disclosed. This baby stroller can be folded to make it easier to stow and transport. The folding mechanism, a unique feature of the design is directed toward compactness, ease of use, reliability, and reduction in manufacturing costs.

Abstract: A changing table that is secured to most types of conventional baby carriages. The changing table is deployed from a fixed position on the baby carriage to take into account the proper weight, size and space requirements necessary to change a small child. When the changing table is not in use, it may be retracted and ultimately stowed into the baby carriage in an unobtrusive position. In this manner, the changing table becomes a useful, mobile alternative to those people who typically must seek out a safe, clean and adequate surface to change their small children.

Abstract: A convertible suitcase stroller apparatus may comprise a suitcase that is openable at at least one side; a handle assembly that is reconfigurable between a storage configuration and a deployed configuration and that has a handgrip portion and two handle stems, wherein each of the two handle stems has an upper end and wherein the handgrip portion is established substantially between the upper ends; fabric seatback material that is established substantially between the two handle stems when the handle assembly is in the deployed configuration; a child seatbelt that is securable around a child seated directly on the suitcase; and at least two wheels established substantially at a lower portion of the suitcase, wherein a back of a child seated directly on the suitcase is supported against the fabric seatback material, the fabric seatback material is crumpable, and the convertible suitcase stroller apparatus is convertible between: a minimum space occupying configuration, a suitcase only toting configuration and a

Abstract: Several new and useful concepts for a manually propelled vehicle such as a wheel chair are provided. In one concept, the vehicle is configured to be selectively placed in an automatic lock condition in which (i) the wheel chair can move in a conventional manner while an occupant is seated in the wheel chair, and (ii) the wheel chair is automatically locked against movement when an occupant begins to rise from a seated position on the wheel chair. In another concept, a particularly secure structure is provided for locking the wheel of the wheel chair against movement. In yet another concept, important components of the wheel chair are formed in a manner that facilitates assembly of those components into the wheel chair, by an internal fastening system and in a modular fashion.

Abstract: A basket for use alone or in conjunction with a stroller or similar device is provided. The basket is detachable from the stroller and is constructed so that it can be crushable for storage. The basket includes a two-piece handle that, when mated together, can slide into a track of the stroller. The two piece handle separates to open the basket. In a fully open configuration, the basket can lay flat.

Abstract: Devices and methods are disclosed which relate to lifting a user from a seated position to a raised position. This is performed by incorporating a lifting mechanism into a seat coupled to a movable base portion. Actuators coupled to drive shafts enable a plurality of linkages to be raised and tilted, enabling the seat to rise at the push of a button or other triggering mechanism. A plurality of compressible springs enables an even balance between the weight of the human and the pressure of the lifting mechanism underneath the seat. As the lifting portion lifts the seat, an angle of the seat changes from a substantially horizontal position to a relatively angled position, mimicking the natural motion of the hips and thighs for humans needing assistance. Embodiments disclosed include using the device as a bedside toilet, having a removable bowl attached to the seat, or using the device placed over a toilet.

Abstract: An actuating mechanism for a foldable stroller includes a mounting housing disposed on a handle tube of the foldable stroller, and a disk disposed in the mounting housing and connected rotatably to the handle tube. The disk has a notch, and a control lever extending outwardly of the mounting housing. Two cables are fastened to the disk at two diametrically opposed positions, respectively. The control lever is pushable in a lever-driving direction to rotate relative to the mounting housing to thereby move the cables. A safety latch is disposed in the mounting housing, and has an integral engagement member biased to engage the notch in the disk, and an integral pushbutton pushable in a pushbutton-driving direction opposite to the lever-driving direction so as to remove the engagement member from the notch in the disk, thereby allowing for folding of the foldable stroller.

Abstract: A stroller for transporting a child includes a wheeled frame including at least two base rails interconnected by a cylindrical hub, a spine, and a bracing linkage. A basket attaches to the spine, confining the child and supporting a seat ring. The seat ring includes upper and lower connected concentric arcs having different radii and supports a seat back on its lower arc. The seat back reclines, and the seat ring rotates from center. A seat base is supported on the frame and includes a platform movable between an extended position disposed inside the seat ring and a retracted position withdrawn from the seat ring. The stroller permits the child to be safely and comfortably transported in a standing, seated, or reclined position.

Abstract: A stroller has a frame structure with two laterally spaced apart sides. A seat is supported between the sides of the frame structure. A frame extension is provided on each side of the frame structure. Each frame extension projects rearward of the seat. The frame structure is at least collapsible laterally from a side-to-side in-use spacing between the frame extensions to a side-to-side compact spacing less than the in-use spacing between the frame extensions. A cross-brace extends between and interconnects the frame extensions. The cross-brace is selectively reconfigurable from a stiff condition to a loose condition with the frame extensions in the in-use spacing. In the stiff condition the brace maintains the in-use spacing between the frame extensions and in the loose condition the brace permits the frame extensions to collapse to the compact spacing. A cup holder can be carried on the cross-brace to be collapsible with the frame structure.

Abstract: A stroller (1), movable between an open position wherein the stroller can be locked and a folded position, comprising: front wheels (6) and rear wheels (5); a generally planar base frame (2) extending substantially between said front and rear wheels; two push bars (3) pivotally connected to the base frame by a front hinge (4) substantially located near the front wheels, which push bars extend substantially upwards and backwards in the open position; wherein the axis of the front hinge extends substantially in the plane of the base frame and substantially intersects the central axes of the push bars.

Abstract: The present invention provides a spoked wheel comprising: a rim comprising a continuous series of circumferential sections each of which has opposed ends and is connected at each of its ends to an adjacent section by means of a hinge that allows the two adjacent sections to pivot with respect to each other substantially in the plane of the wheel; a hub that rotates with the rim; and a plurality of spokes extending between the hub and the rim and supporting the rim on the hub, each spoke having an end that is pivotally attached to the rim via a pivot. At least one of the spokes is movable with respect to the hub in the plane of the wheel to change the angular spacing between adjacent spokes and alter the shape of the rim between a circular shape and a non-circular shape, preferably a flattened shape. The wheel may also include a tubular tyre held on the rim and is primarily intended for use in connection with bicycles and wheelchairs.

Abstract: A collapsible stroller has a frame structure collapsible between an in-use configuration and a compact or collapsed configuration. The stroller has a variety of features or accessories that improve collapsibility, as well as stroller function and comfort during use. A number of these features or accessories also permit three-dimensional collapse of the stroller frame structure without requiring removal or disassembly of these features or accessories.

Abstract: A foldable, cross-frame wheelchair with a foldable seat and foldable seatback. The foldable seat has a first outside edge retained relative to a longitudinal frame member at a second, upper end of a first cross-frame member of the wheelchair frame and a second outside edge retained relative to a longitudinal frame member at a second, upper end of a second cross-frame member of the wheelchair frame. A longitudinal hinge portion is interposed between the first and second outside edges to divide the seat into first and second pivotally coupled members. The hinge portion can be disposed to the obverse side of the first and second members of the seat. The foldable seatback can be divided into upper and lower foldable seatbacks.

Abstract: A retractable frame structure of a baby stroller includes a frame, a pair of scissors-type linking sets, a push rod and a linking rod. Each scissors-type linking set is connected with the push rod and the link rod, respectively. When pushing the pushing rod, the scissors-type linking set will be collapsed and the linking rod will urge front wheels to move backward towards rear wheels, thus the collapsed stroller has a compact size which is convenient to carry and to store.

Abstract: An adjustable handle assembly is configured for a device that supports and carries a child and that can be moved along a surface. The handle assembly is coupled to a handle extension that extends from a part of the device and that has an end with an extension axis. The handle assembly has a stem configured to attach to the end of the handle extension. The handle assembly also has a grip body coupled to the stem. The grip body is independently movable relative to the handle extension both longitudinally along the extension axis and rotationally about the extension axis. An actuator is provided on the handle assembly and can be actuated between a lock position and a release position. In the lock position, the grip body is in a fixed position relative to the handle extension. In the release position, the grip body is permitted to move both longitudinally and rotationally relative to the extension axis between a plurality of selectable longitudinal and rotational positions.

Abstract: A foldable baby stroller frame comprises a collapsible wheeled frame, a foldable upper frame, and at least a release mechanism. The collapsible wheeled frame comprises at least a front strut, a pair of rear struts, a pair of lockable articulated arms, and a swivel base. The swivel base is pivotally connected with the front strut and the rear strut, and further has a vertical shaft hole for pivotally connecting and supporting the foldable upper frame. The pair of lockable articulated arms is pivotally connected between the front strut and the rear strut, and has a locked position for keeping the collapsible wheeled frame in an un-foldable state and a foldable position for folding the collapsible wheeled frame. The release mechanism is operatively mounted on the foldable upper frame and associates with the pair of lockable articulated arms via a connecting member for actuating the folding of the collapsible wheeled frame and the foldable upper frame.

Abstract: A mobile vehicle or wheelchair having the ability to provide stabilized transport to at least one individual on a variety of surfaces, slopes and/or terrains. The mobile unit or wheelchair of the invention may travel across smooth and very rough surfaces, slopes of varying or different angles and various outdoor terrains (including grassy, rocky, sandy, muddy and/or hilly terrains). In one aspect of the invention, the height of any part of the unit or the overall height of the device may be adjusted preferably to raise or lower the center of gravity. For example, the height of the device may be lowered to provide more stable transportation. In another aspect, the device may be adjusted to increase or decrease the size of the footprint (or any part of the footprint) of the device. For example, the footprint of the device may be enlarged to provide more stable transportation.

Abstract: A pivotal base is adapted for detachably connecting a canopy frame to a stroller. The pivotal base comprises a connector, a first pivotal connector and a second pivotal connector. Wherein the connector of the pivotal base has a plug for connecting with the stroller, and a snap wall formed with a toothed inner surface; the first pivotal connector has a first connecting portion for connecting with a canopy brace, and a toothed portion pivotally inserted and snapped by the toothed inner surface in a plurality of fixed angle positions; and the second pivotal connector has a second connecting portion for connecting with another canopy brace, and a toothed portion pivotally inserted and snapped by the toothed inner surface in a plurality of fixed angle positions.

Abstract: A stroller system includes a stroller frame and a seat system. The stroller frame includes first and second frame supports spaced apart from each other, at least one third frame support attaching the first frame support to the second frame support, and wheels rotatably attached to one or more of the frame supports. The seat system is removably attached to the stroller frame and includes a seat support having first and second end portions, and first and second end connectors disposed on the corresponding first and second end portions of the seat support. Each end connector includes a connector body having first and second end portions, where each end portion defines a recess configured to receive one of the frame supports. The recesses arranged substantially in opposition to engage the received support in substantially opposing directions.

Abstract: The invention relates to a seat attachment for a stroller, single stroller and double strollers. Such a seat attachment may be used to reversibly convert a single stroller into a double stroller. More specifically, versions of the seat attachment relate to a seat attachment for a stroller capable of supporting a seat such as, but not limited to, a stroller seat, a baby seat, bassinet, a pram, a car seat, or a baby carrier, for example. The seat may be supported in front of a permanent seat of the stroller.