Abstract: The present invention discloses a safety seat that is used in vehicles and convertible as a pushchair and mainly includes safety seat, housing, converter mechanism, at least one front wheel, at least one rear wheel, a telescopic handle and a plurality of light sources. Safety seat enables user to safely seat thereon. Housing accommodates safety seat thereon. Housing also houses front wheels and rear wheels while in folded configuration and supports front wheels and rear wheels in un-folded configuration. Housing has a front wall that can be used as a leg support. Converter mechanism easily converts safety seat in a first configuration for use in a vehicle and a second configuration for use as a pushchair. Telescopic handle, when extended, helps pushing pushchair and when retracted can be used as safety seat. Light source illuminates the area in surrounding safety seat.

Abstract: A support frame for a power tool includes a top configured to support a table top and a bottom arranged opposite and parallel to the top. The bottom is configured to support the support frame on a surface when the support frame is in a first position. The support frame further includes a side arranged between the top and the bottom and configured to support the support frame on the surface when the support frame is in a second position. When the support frame is in the first position and the second position, the table top is spaced apart from the surface.

Abstract: A child safety seat includes a seat shell having a child seating area configured to hold an infant or small child and a mounting base for securing the seat shell into a vehicle. The seat shell includes handle mounts located on opposite lateral sides of the seating area configured to attach opposing ends a movable carry handle in a manner enabling pivoting movement thereof. The carry handle includes a pair of lock mechanisms, one disposed at each handle end that enables the handle to be fixed into a selected pivotal position. Each lock mechanism includes a release actuator enabling the lock mechanism to be unlocked so that the carry handle may be repositioned. The release actuators are interconnected in a manner such that releasing movement of one will be transferred to the other, enabling simultaneous release of both lock mechanisms by operation of either release actuator.

Abstract: A foldable stroller frame comprising a lower frame. The lower frame has a front frame section and a rear frame section which are pivotal relative to one another. The lower frame also has a hinge device linking the front frame section to the rear frame section. The hinge device has at least two parts pivotally coupled together and rotatable about a movable axis of rotation between a deployed state and a collapsed state. The hinge device also has a handle arranged along the axis of rotation for grasping by a user to enable the hinge device to be operated.

Abstract: The stroller can be folded into a more compact space. The stroller can include a pair of handle frames that include an upper handle frame, a lower handle frame, and a handle frame folding mechanism. The stroller can also include at least one rear wheel frame, at least one front wheel frame, a first frame folding mechanism rotatably connecting the front wheel frame, the rear wheel frame and one of the lower handle frames, and a second frame folding mechanism rotatably connecting the front wheel frame, the rear wheel frame, and the other of the lower handle frames. A seat can be attached to the stroller frame in a forward or rearward facing configuration. The stroller can be compactly folded with the seat still attached to the stroller frame in both the forward and rearward facing configurations.

Abstract: A tonneau cover having integrated power sources and other accessories includes an outer portion and an inner structural portion. The power source may be one or more solar panels with associated power storage units for storing electrical energy. Accessories may include at least one rear warning sensor attached to a rear facing portion of the tonneau cover and configured to detect a distance to a following vehicle. A visual warning indicator may also be attached to the rear facing portion of the tonneau cover to indicate to the following vehicle when it is following too closely. Side lights and emergency lights integrated into the cover may also be included, as may additional accessories or ports for same.

Abstract: A backpack cart that can be used on rugged terrain and can hold a variety of sizes of backpacks. The cart includes a pair of wheels, a central post, a horizontal support member, a lower strap holding member, an upper strap holding member, a handle member, a pack support plate and a lower support post. The horizontal support member terminates on each side in a wheel retaining shaft holding large pneumatic wheels. The central post is attached to the horizontal support member. The pack support plate is attached the horizontal support holder. The upper and lower strap holding members are attached to the central post. The handle is attached to the top of the central post facing in the opposite direction of the pack support plate. The lower support post is attached to the pack support plate and in a downward orientation allowing its lower tip to touch the ground.

Abstract: A game cart for hauling or carrying a large game animal is collapsible between a deployed position and a collapsed position. The game cart includes an extension member moveably connected with a frame. The extension member rotates about a pivot axis to collapse first and second legs inwardly towards the frame. First and second wheels may be removed from operational stub axles on the first and second legs and may be stored on storage stub axles attached to the extension member. When the game cart is collapsed, the wheels are carried by the extension member so as to allow the entire cart to be carried by a strap. After the cart is carried by a hunter to a remote location, the cart is deployed by reversing the steps of collapsing the cart. The cart carries a hunted large game animal, after a hunt, from a remote location in the wilderness.

Abstract: A child restraint seat includes a seat unit, a locking mechanism and a releasing handle. The locking mechanism is disposed on the seat unit and adapted to fix the seat unit onto a first external structural unit. The locking mechanism includes a latch base disposed on the seat unit, a first latching component movably disposed on the latch base, and a lock releasing component connected to the first latching component. The first latching component is adapted to move relative to a first constraining component of the first external structural unit for switching between a closed position and an open position. The releasing handle is disposed on the seat unit and connected to the lock releasing component, the releasing handle is utilized to drive the lock releasing component to move the first latching component from the closed position to the open position.

Abstract: A child seat includes a seat body, and a first and a second support respectively assembled with the seat body via a first and a second connection. The seat body has a seating surface and a bottom surface below the seating surface, and the first and second support are extendable below the bottom surface. The child seat has a first configuration in which the first support is configured as a leg resting board and the second support extends forward toward the first support, and a second configuration in which the first support is folded to a substantially horizontal position and the second support extends rearward so that the child seat is able to stand on the first and second supports.

Abstract: A carrier mounting (3a, 3b) for supporting an infant carrier on a pushchair chassis, the mounting comprising a socket member having a first socket (17) and a second socket (19) therein, both sockets being configured to receive a correspondingly shaped mounting strut of an infant carrier. The socket member is pivotable between first and second positions such that when the carrier mounting is connected to a pushchair chassis, the first or second socket (17, 19) respectively is locatable in a receiving position in which a longitudinal axis of the respective socket bore is oriented with respect to the pushchair chassis at an angle suitable for receiving a mounting strut of an infant carrier. When the second socket (19) is in its receiving position, said second socket (19) supports the infant carrier at a higher point on the pushchair chassis than the first socket (17).

Abstract: Exemplary embodiments of an expedition cart are provided. The expedition cart includes a chassis configured and dimensioned to support a load. The expedition cart includes first and second gusset plates attached to the chassis. Each of the first and second gusset plates includes a central body portion and curved fastening edges on either side of the central body portion. The curved fastening edges can be configured and dimensioned to mate against at least a portion of the chassis. Exemplary embodiments of an expedition cart are also provided that include first and second hubs engaged with the chassis, the first and second hubs defining either a single part or a two part design.

Abstract: A stroller is provided with the ability to removably couple and decouple a seat from the stroller as needed. The stroller can include a stroller frame. The stroller can also include one or more front wheels attached to the stroller frame and one or more rear wheels attached to the stroller frame. The stroller can also include a first seat couple to the stroller frame. The stroller can include first and second seat attachment housings. Each of the seat attachment housings can include a cavity for receiving a corresponding one of the first and second seat attachment adapters. Each of the seat attachment housings can also include a door or cover to prevent access to the respective cavity when not in use. The seat attachment adapters can be coupled to the respective seat attachment housings and a second seat can be coupled to the seat attachment adapters.

Abstract: A portable, foldable, baby-changing table unit is provided attachable to a baby stroller for support thereby. The baby-changing table unit includes connectors for connecting the baby-changing table unit to the stroller's baby car-seat connectors. The baby-changing table unit connectors comprise foldable, transversely adjustable connection legs adapted to mate with the female receptacle connectors on the stroller normally used to releasably connect to a baby car-seat. A flexible changing pad is adapted to be attached to the portable, baby-changing table unit. The flexible changing pad includes a diaper receiver and a handy-wipe receiver. The flexible changing pad serves the dual purpose of functioning also as a carry case for the baby-changing table unit when the table is in a folded condition. An accessory connector assembly may be provided to attach the baby-changing unit to a stroller lacking a baby car-seat connector assembly.

Abstract: An assembly system for assembling a gas turbine engine including a support beam defining a horizontal plane for assembly of engine components along a horizontal axis substantially parallel with the support beam. A forward arm is supported on the support beam for supporting a forward portion of an engine component. An aft arm is supported on the support beam for supporting an aft portion of the engine component. An aft mounting ring is attachable to an aft end of an engine assembly. A forward mounting ring is attachable to a forward end of the engine assembly. A drive is mounted to the aft arm engageable to the aft mounting ring for rotating the engine assembly about the horizontal axis. A roller is supported on the forward arm and engageable to the forward mounting ring to support the first end of the engine assembly during rotation about the horizontal axis. A method is also disclosed.

Abstract: The present application includes a system and method for transporting a car seat outside of a vehicle. The system includes a wheel assembly configured to couple to a portion of the car seat. The wheel assembly attaches to existing base attachment portions on the car seat to minimize any need for retrofit operations. The system further includes a mobility handle configured to adjust in length and couple to a portion of the car seat. The mobility handle is designed to allow an individual to guide and control the movement of the car seat on the wheel assembly.

Abstract: An Infant car seat stroller that is fully collapsible and can convert to a general use cart. The stroller is universal to accept most car seats and is able to convert to a cart for multiple uses.

Abstract: The child safety seat provides a crotch belt assembly to allow the consumer to adjust the crotch belt's position and length without disassembling the child restraint. The positioner uses two tab-like abutting ends that can slide within the channels so that the positioner may be configured at different positions with respect to the seat section, allowing for quick adjustability from a rear position to a forward position and vice versa. The crotch belt runs through the positioner and is connected to the seat shell with the belt attachment. The rear position will be used for the smaller child and is locked into that position by the second abutting end. The second abutting end is depressed and the positioner is slid forward until the first abutting end engages. During this process, the length of the crotch belt will automatically adjust for proper fit for the larger child.

Abstract: A convertible car seat, carrier and stroller device includes a car seat that has a frame, which is rigid. The car seat is shaped and sized to a child. A handle, which is extendable, is coupled to a back of the frame. A wheel assembly is coupled to and positioned in a housing that is coupled to a bottom of the frame. The wheel assembly is extensible from the housing and operationally coupled to the handle. Extending the handle lowers the wheel assembly and retracting the handle raises the wheel assembly. The car seat is couplable to a base that is configured to couple to an interior of a vehicle. The base is couplable to the interior of a vehicle and positioned to secure the car seat in the vehicle.

Abstract: A handcart comprising a frame, a double handle grip, a load accommodating bottom shelf and a load accommodating top shelf, the top shelf being pivotably secured to the double grip handle, wherein the double grip handle of the handcart includes a U shaped top piece which is secured to the double grip handle by bolts that allow the U shaped piece to pivot or swing to a position parallel to the ground. The pivoting or swinging action of the U shaped top piece is accomplished by way of a spring mechanism fitted onto the double grip handle, thereby allowing the pivotably secured top shelf to accommodate heavy loads.

Abstract: An apparatus and method for assisting the transfer of a physically-disabled person into or out of an amusement ride. The apparatus and method involve a base portion having an elevated seat and an associated extension. The base portion is mobile and can be positioned adjacent the amusement ride. The extension is then positioned within the amusement ride to provide a smooth platform that permits the passenger to slide from the elevated seat, down the extension and into an open seat in the amusement ride. The process is reversed to permit the passenger egress from the amusement ride. The base portion also includes at least one wheel assembly and feet upon which the base portion rests during use. When it is necessary to move the base portion, it is simply tilted onto the wheel assembly off of the feet for quick and easy transport. The elevated seat and extension are covered with a comfortable material.

Abstract: A personal mobility device includes a pair of rear legs and a pair of front legs pivotably connected to the rear legs via a pair of hubs. A handle, having a loop shape and including a grip portion, is slidably mounted within the pair of hubs so that the height of the grip can be adjusted. The hubs lock the front and rear legs in both an open (unfolded) and closed (folded) configuration. By sliding the handle downward through the hubs, the legs are unlocked from the open position and allowed to pivot until locked in the closed configuration. Conversely, by sliding the handle upward through the hubs, the legs are unlocked from the closed position and allowed to pivot until locked in the open configuration.

Abstract: A multi-mode high chair for a child that may be alternatively configured as a high chair, a toddler chair, or a booster seat. The high chair comprises a toddler chair on which is nestingly mounted a booster seat to define a high chair configuration. An easily operable latch mechanism secures the booster seat to the toddler seat to retain the chair in the high chair configuration. The latch is easily and conveniently operable to enable the booster seat to be removed from the toddler chair to convert the high chair into a toddler chair and a separate booster seat. Folding feet on the booster seat allow it to stably rest on a chair or the like. A tray selectively attachable to the booster seat and an adjustable footrest add further utility to the high chair.

Abstract: A wheeling frame for a suitcase which has its own rolling wheels includes a frame supporting a pair of leaning wheels arranged at ends of a pair of pivotable legs, with a first wheel arranged at the end of a first leg and a second wheel arranged at the end of a second leg. The leg positions are adjustable between a stowed position and a deployed, adjustable position extending at an angle to the frame. The legs have a movable pivoting axis and adjustable lengths. A handle system at a proximal end of the frame is adjustable in length and angle, and is operable in conjunction with the leaning wheels to roll the suitcase in a stable leaning position, to allow walking the suitcase on steps of a staircase, and to be converted into a suitcase table, to ease packing and unpacking.

Abstract: Mobile carts are adapted to facilitate both storage and mobility. In at least one example, a mobile cart may include a frame with a first longitudinal end and an opposing second longitudinal end. A swing-arm assembly may be coupled to the frame to pivot between a storage mode and a cart mode, where a handle is positioned adjacent the first longitudinal end of the frame and a pair of wheels are positioned beyond the second longitudinal end of the frame when the swing-arm assembly is positioned in the storage mode, and where the handle is positioned beyond the second longitudinal end of the frame and the wheels are positioned adjacent a bed portion of the frame when the swing-arm assembly is positioned in the cart mode. Other aspects, embodiments, and features are also included.

Abstract: A foldable stroller capable of being formed into a trolley, comprising a front tube, a rear tube, a seat frame, an armrest, a pushing lever, and a handle connected to the pushing lever via a second joint assembly which allows pivotal movement of the handle relative to the pushing lever; the front tube having an extensible draw bar; wherein when the rear tube, seat frame, armrest and pushing lever are folded toward the front tube by joints, the handle is pivotally moved at 90-100 degrees relative to the pushing lever through the second joint assembly, an then the draw bar is pulled out of the front tube, whereby the trolley is formed; the foldable stroller can be folded in a small size and is easy to carry and store, moreover, if the baby has grown up, the stroller can be used as the trolley to avoid unnecessary waste.

Abstract: A cooler capable of incorporating a variety of different attachments used for tailgate parties is described. The cooler is capable of being affixed with various decorations and additional features through the use of attachments associated with the cooler. The attachments allow the decorations and features to stay attached thereby facilitating transportation of the entirety of the cooler and affixed items from one location to the location of the tailgate party. The cooler also includes the ability to power one or more electronic devices through the use of a battery supply that can be connected to the cooler.

Abstract: A base with retractable wheels is provided for an examination, procedure or surgical table or chair for use in the medical, dental, or veterinary fields that can be easily switched between a stationary state and a mobile state. The base includes fixed wheels on one end and on the other end stationary foot pads and retractable wheels that can be engaged by a lift mechanism that can transfer the weight of the table or chair from the foot pads onto the wheels, allowing the table or chair to be more easily moved within a room.

Abstract: An assembly for transporting containers and more specifically an ice chest cooler to a desired location is described. The assembly comprises a strap which has been sewn together to form the shape square in the center. On end of the square, the fabric extends out and contains a fastener to connect to the handle of the ice chest cooler. On the other end, the fabric extends to form a handle. Assembled to the fabric is a pair of axles. The two axles are coupled at their ends to a pair of wheels on the front and rear of the assembly while the cooler is positioned on top of the axles. One method of assembling the axles to the fabric is by puncturing precise holes in the fabric to pass the axle through the fabric and mate the fabric and axle to the inner side of the wheels.

Abstract: A modifiable rack system can be connected to a vehicle such as a truck or a tractor, and includes a receptacle for holding a variety of items including materials and equipment. The rack system includes a variety of add-ons for organizing and retaining equipment, and a hinged tail gate for easy access. The rack system includes a trailer hitch so a rolling trailer, or the like, can be daisy-chained off the back end. Wheels can be mounted to the rack system so the rack system can used as a rolling cart. The rack system is able to withstand large forces during use because of a tow support spine, and associated structures, which impart tremendous strength.

Abstract: A travel seat locking system including a travel seat comprising a front seating surface, a back surface, left and right sides, and left and right stroller securing members respectively positioned on the left and right sides of the travel seat. A stroller is provided comprising a frame having at least one front leg, at least one rear leg, a passenger seating area, and a pair of left and right seat securing members connected to the frame for releasable engagement with a respective one of the left and right stroller securing members of the travel seat. At least one of the travel seat or stroller comprising an actuator to release the engagement between the left and right stroller securing members of the travel seat and the left and right seat securing members of the stroller.

Abstract: A mobile hunting platform is provided for supporting a user in a tree. The mobile hunting platform includes a pair of wheels removably secured to an axle, a first platform comprising a first platform frame, a first jaw secured to the first platform for engaging the trunk of the tree, and a floor structure for supporting feet of the user, the floor structure shaped to receive at least one of the pair of wheels such that the at least one wheel forms a portion of the floor structure, and a second platform comprising a second platform frame, a second jaw secured to the second platform for engaging a trunk of the tree. The platform is reconfigurable from a first configuration as a cart, to a second configuration such that the mobile hunting platform is engaged with the trunk of the tree.

Abstract: A stroller is provided, which includes a frame and a drive mechanism coupled to the frame and configured to transition the frame between an open position and a closed position. The drive mechanism includes: a cable drive; at least one spool rotated by the cable drive; at least one cable received by the at least one spool and connected to the frame; and at least one biasing member connected to the at least one cable for removing slack from the at least one cable. The stroller is configured such that rotation of the at least one spool by the cable drive causes the cable to exert a force against the frame to transition the frame between the open position and the closed position or between the closed position and the open position.

Abstract: A stroller (201) is provided which includes a chassis (203, 205) having first (211) and second (213) opposing frame elements. The chassis is supported on a plurality of wheels (223, 224, 225, 226). A seat (231) is suspended from the chassis by way of a support element (241). The seat includes upper (233) and lower (235) portions and is adapted to accommodate a child such that the back of the child rests against the upper portion and such that the legs of the child rest against the lower portion. The support element has first and second ends which are rotatably attached to first (243) and second (245) pivots mounted, respectively, on the first and second frame elements. The first pivot rotates about a first axis, and the seat is disposed between the first axis and the plurality of wheels. A first motor (271) is provided which rotates the first pivot.

Abstract: The present invention relates to a buggy or collapsible perambulator. It is comprised of a sliding frame which, in the unfolded state, runs in an inclined plane and has a division, in the region of which joints are located, and therefore, upon collapsing, an upper portion of the sliding frame is pivotable in relation to a lower portion of the sliding frame about the approximately horizontal axis of said joints. It is further comprised of an underframe with wheels, wherein, in the collapsed state, the lower portion and upper portion of the sliding frame and at least parts of the underframe are virtually parallel or are at a flat angle to each other and the buggy assumes a flat, compact state. The two sliding-frame portions which are pivotable in relation to each other each have approximately the shape of a U bar.

Abstract: A stroller is provided. A support frame (100) of the stroller includes a pair of vertical bars (120), lengths of which are vertically controllable in a telescopic manner, and provided to be spaced apart from each other, a one-side support (111) and an other-side support (112) respectively disposed at one side and the other side to include horizontal bars (130) having both ends connected to the pair of vertical bars to support the pair of vertical bars, and side supports (150) and a bottom support (160). The stroller also includes extension rods (140) respectively coupled to be capable of vertically moving into or out of upper ends of the vertical bars, an inner sheet (400) formed in a shape corresponding to an internal space of the support frame, detachable members (180) detachably coupled to the extension rods, and a sun cover (500) coupled to the detachable members.

Abstract: In one embodiment of the invention, a multiple mode portable wheeled backpack includes: a backpack section and an extended trailing section that is removably coupled to the backpack section, wherein the extended trailing section includes a plurality of wheels.

Abstract: The mobile seat assembly for transporting a user includes a seat that may support a first user. A wheel is operationally coupled to the seat. The wheel may to roll along a support surface. A first handle is operationally coupled to the seat. The first handle may be gripped so the seat may be carried. A second handle is operationally coupled to the seat. The first handle may be gripped so the seat may be rolled along the support surface.

Abstract: A medical chair includes a base and a pair of arm rests supported relative to the base for movement between a raised position and a lowered position relative to the base. The raised position of at least one of the arm rests is upward and forward of its lowered position to provide support to a patient when exiting the chair. For example, the arm rest may be mounted relative to the base to move between the raised position and the lowered position along a linear path.

Abstract: The present invention pertains to a mobile cart which can be utilized as a cart for transporting beach supplies including toys, games, sporting goods, umbrellas, blankets, towels and food. Advantageously, the subject invention can be folded into a small suitcase like container and then opened to provide a cart as set forth herein. The cart according to the present invention may also include a self-propulsion system including a motor or motors for driving a tread, track or wheels along with a low friction skid surface or skis for directing the cart to a desired location. There may also be included a power source, for example batteries or solar panels, may be utilized to supply the power needed for self-propulsion and for powering or charging portable electronic devices, if desired.

Abstract: A car seat assembly includes a first base coupled to a vehicle seat. The first base is structured to have a pair of wheel wells. A seat is provided to support a child. A second base is provided. The seat is coupled to the second base. A pair of legs is coupled to the base. Each of the legs is structured to form a scissor such that each of the legs is positionable between an extended position and a retracted position. A plurality of wheels is each rotatably coupled to an associated one of the legs. Each of the wheels engages a respective one of the wheel wells such that the second base is removably coupled to the first base. Each of the wheels abuts a support surface such that the seat may be rolled along the support surface after the second base is removed from the first base.

Abstract: Infant car seat assemblies suitable for functioning as both a car seat and a stroller and capable of functioning with a wide variety of commercially available car seats. The infant car seat assembly for providing mobility to an infant car seat includes at least two hubs, a pair of front legs and a pair of rear legs secured to the hubs at uppermost extents thereof and having at least two wheel assemblies secured to lowermost extents thereof, and at least two adapters configured to releasably secure the hubs to the infant car seat.

Abstract: A jogging stroller frame with a front wheel automatic flattening folding mechanism is provided with a jogging stroller frame which can be folded into a substantially flattened configuration for compact storage by an associating of a linking rod. When the foldable jogging stroller frame is folded into the substantially flattened configuration, the seat support rack shall pull the front wheel set to rotate backward about a horizontal axis to the pair of rear struts through the linking rod, thereby converting the foldable jogging stroller frame into a successively smaller size for more compact storage.

Abstract: This invention includes a cart assembly with an integrated cooler and a configurable and expandable cargo platform. The cart assembly comprises a chest compartment. One end of support beams is attached to the front surface of the chest. The opposite ends of the support beams are attached to the rear surface of the extension member. One end of an expanding platform is attached to the front surface of the chest. The opposite end of the expanding platform is attached to the rear surface of the extension member. Ends of the telescoping support rails are attached on both the left and right sides of the chest. Opposite ends of the telescoping support rails are attached on both the left and right side of the extension member. The cart assembly can expand and collapse to accommodate larger or smaller cargos and reconfigure the platform into a table.

Abstract: Foldable strollers are disclosed herein. An example stroller disclosed herein includes a housing. The example stroller also includes a first pivot and a second pivot coupled to the housing, and a follower is coupled to the first pivot and the second pivot to move with the first pivot and the second pivot. The example stroller also includes a lock to selectively lock the follower in a locked state to secure the first pivot and the second pivot in a first position.

Abstract: A stroller assembly includes a cushion below the seat fabric connected between the pair of primary rear legs and the pair of lower front legs, the cushion having a pair of straps on an upper side when the stroller assembly is an open configuration. The pair of handle bars are pivotable about the pair of upper hinges to rest against the primary rear legs. The pair of lower front legs are pivotable about the pair of lower hinges to rest against the pair of primary front legs. The cushion is detachable about a pivot axis and configured to be rotated about the pivot axis to such the lower side of the cushion can be rested against lower front legs rested against the pair of primary front legs.

Abstract: A dolly that connects to a child car seat to form a stroller. A connection axle includes a connection mechanism that connects the connection axle to preexisting features on the child car seat. Two wheels are rotatably connected to the connection axle. A handle attachment piece is rigidly connected to the connection axle. A handle is connected to the handle attachment piece. In a preferred embodiment the child car seat is slip fit onto the connection axle.

Abstract: An infant stroller apparatus includes a stroller frame having a push handle, a child safety seat installed with the stroller frame, and a restraint system for holding the child safety seat with the stroller frame. The restraint system includes a holding structure disposed at a transversal position and near a rear portion of the child safety seat, and two first and second abuttal arrangements provided symmetrically at left and right sides of the child safety seat. Each first abuttal arrangement includes a bearing surface carried by one side segment, and a protruding structure connected with the child safety seat that rests on the bearing surface. The second abuttal arrangements are disposed near the front portion of the child safety seat to prevent the child safety seat from moving in a direction that raises the protruding structures out of contact with the bearing surfaces.

Abstract: A system is configured to provide functionality of a stroller, a bag and a backpack to transport a child and equipment. The system has a frame with front legs, back legs and support handles connected to a central hub on the right and left sides. The push handles are each connected to an adjustable strap and a cushioned strap which can be used to carry the system as a backpack. A backrest is attached to the push handles and a seat is connected to the backrest in order to rotate the legs and handles together to be a backpack or apart to be a stroller. An upper compartment can be attached to the backrest which is used as a bag in either configuration.

Abstract: A tractor assembly includes a connection unit which is connected between the tractor and the wheel chair. The connection unit includes a fixing member, a top link unit, a bottom link unit and a swing rod so as to form a four-link mechanism. The connection unit includes an engaging unit with an engaging section, and a position unit. The top link unit has a reception hole and the positioning unit has a push rod. When the push rod is located at the first position, the reception hole is closed. When the push rod is located at the second position, the push rod is retracted and the reception hole is exposed. The bottom link unit is pivoted about one end of the swing rod to move the other end of the swing rod to the position of the reception hole, the engaging section is inserted into the reception hole.