Abstract: A stroller is disclosed. The stroller includes a support frame supported by at least two wheels. The stroller also includes a seat carrier support selectively, removably coupled to the support frame. A swing motor is operatively coupled to the seat carrier support. A seat swing mechanism extends downwardly from the swing motor. The seat swing mechanism has a seat yoke configured to receive and retain an infant seat. The seat swing mechanism is configured to swing the infant seat forwards and backwards when the swing motor is activated.

Abstract: A car seat carrier can include a carrier body sized and shaped to receive a complementary sized and shaped car seat. Moreover, the car seat carrier can include at least one rear wheel assembly attached to the carrier body and the at least one rear wheel assembly can include a fixed wheel. The car seat carrier can also include at least one front wheel assembly attached to the carrier body and the at least one front wheel assembly includes a swiveled wheel. Further, the car seat carrier can include at least one handle extending from the carrier body.

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 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 coupled 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 stroller apparatus includes a front and a rear leg, a side handrail respectively connected pivotally with the front and rear legs, a handle pivotally connected with the side handrail, a seat support frame including a side bar located below the side handrail and pivotally connected with the front leg and the handle, a first seat detachably installable on the side handrail facing rearward at a first position adjacent to the handle, and a second seat detachably installable on the side bar facing rearward at a second position, the second position being located below the first position and adjacent to the handle.

Abstract: A frame for a baby carriage includes two side supporting members, a handling member, a traverse connecting member and a central supporting member. The handling member has opposite ends connected to the two side supporting members, respectively. The traverse connecting member has opposite ends connected to the two side supporting members, respectively and spaced apart from the handling member. The central supporting member is arranged between the two side supporting members so as to form two side-by-side seat areas and terminating at the traverse connecting member so as to form a T-shaped structure.

Abstract: The present invention relates to a collapsible cart which has a substantially rectangular base comprising four side regions, four corner regions and hinge assemblies disposed at each corner region, hinged upright frame assemblies having a lower end rotatably connected to the hinge assemblies at the base, and an open top frame having hinge assemblies at each corner region rotatably connected to an upper end of the hinged upright frame assemblies. The base, upright and top frame hinge assemblies are all oriented so the upright frame assemblies can fold along the side regions of the cart when the collapsible cart is folded flat. In one particular embodiment, the base and top frame are square. A basket for storing a variety of items may be attached to the collapsible cart. The collapsible cart may also have wheels or casters on the base to permit easy movement of the collapsible cart.

Abstract: A foldable structure for baby strollers is revealed. The foldable structure includes two joints at each side thereof. A push rod, a front support with a sliding member and a rear support are pivotally connected to each joint. The sliding member is linked to the push rod and the rear support by an upper link and a lower link respectively. A quadrilateral linkage is arranged between the two front supports while a seat is pivotally connected to and located above the quadrilateral linkage. The quadrilateral linkage is linked to front wheel sets and the sliding members. Thereby the quadrilateral linkage is driven to move through the upper and the lower links and the sliding members when the joint is released from a locked state and the push rod is pushed forward. The front wheel sets are also folded. Thus the baby stroller is folded into a compact size.

Abstract: Disclosed is a cart having a number of stretcher-like platforms suitable for placement and storage of a medical training manikin. The platforms are mounted to the cart such that they may be substantially pulled out in a direction parallel to their width, so as to facilitate easy loading and unloading of the manikins as well as to provide user access to the manikin when in its proper position on the platform if needed. The cart may include a series of electrical connectors for powering and/or charging the manikins during storage. Additionally, the electrical connectors may be selectively fed by an on-board battery which would enable the manikins to be powered and/or charged even during transport. The cart also preferably includes a motorized lift system, powered by an on-board battery, which raises and lowers the various platforms to allow the height of each platform to be brought to a loading level.

Abstract: The invention relates to a wheelchair which comprises: a underframe (1) to which front steerable wheels (6) and rear drive wheels (7) are fixed at a distance from one another; a sealing frame (3) which is height-adjustably fixed to said underframe (1), mounted so as to be able to pivot about a rotational axis (D), and which can be incline-adjusted with regard to the horizontal line (H) as well as height-adjusted; and a backrest frame which is connected to the seating frame (3) consisting of two longitudinal tubes (9) lying opposite each other and at least one transverse tube (10) which interconnects these longitudinal tubes (9); a) said seating frame (3) being connected to the underframe (1) by means of at least two telescopic tubes (2) each formed from one lower (2b) and one upper (2a) tube; b) the lower ends of these lower tubes (2b) being rigidly fixed to said underframe (1), and the invention being characterised in that; c) the upper ends of the upper tubes (2a) are connected to the seating frame (3) in t

Abstract: A motorized vehicle assembly having a frame, a seat supported by the frame, and one or more wheels in communication with the frame, where the frame may have a plane extending therethrough and the seat may have a plane extending therethrough. The seat may be adjustable with respect to frame. The seat may be adjusted laterally in a first direction and/or a second direction, where the seat faces a third direction that is substantially perpendicular to the first direction and the second direction. The seat may be rotated or tilted toward the first direction, the second direction, the third direction, or a fourth direction, where the fourth direction may be substantially opposite the third direction. In some cases, the seat may be tilted in the same direction in which the seat has been laterally adjusted.

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: Maneuverable strollers are disclosed herein. An example stroller disclosed herein includes a frame having a front wheel and rear wheel to support the frame. An intermediate wheel is positioned between the front wheel and the rear wheel. The example stroller includes a support having a first end and a second end, where the first end supports the intermediate wheel and the second end supports the rear wheel. The support to pivotally couple the intermediate wheel and the rear wheel to the frame, the support defining a pivot axis positioned between the intermediate wheel and the rear wheel when the support is pivotally coupled to the frame.

Abstract: A child stroller apparatus includes first and second leg frames, a handle and a latch element. The first leg frame includes a first side segment affixed with a first coupling element. The second leg frame includes a second side segment affixed with a second coupling element that is pivotally connected with the first coupling element about a first pivot axis. The handle includes a third side segment affixed with a third coupling element that is pivotally connected with the first coupling element about a second pivot axis. The latch element is operable to move between a locked position where the latch element locks the first, second and third coupling elements together to hold the handle and the first and second leg frames in a deployed state, and an unlocked position to allow relative rotations between the handle and the first and second leg frames to collapse the stroller apparatus.

Abstract: The present invention relates to a stroller comprising a first passenger support and a second seat positioned behind the first passenger support, the second seat having an in use position and a stowed position, where the second seat can be moved between its in use and stowed positions and back again without need to reposition the first passenger support. An associated method for folding the stroller is also disclosed, the method for collapsing the stroller including the steps of moving the second seat from its in use position to its stowed position, and then folding the stroller. The method for erecting the stroller being the reverse of the method for collapsing this.

Abstract: Described is a collapsible cart that provides substantial stability when operated. A pair of enlarged wheels allow an operator to lift one end of the cart to traverse rough surfaces as needed. Enlarged wheels are mounted outside an overhead profile of the collapsible cart thereby providing lateral and other stability not previously possible. A first shelf, tray, bucket or working surface may be collapsed to contact or mate with a second such shelf to create an easily transportable or storable collapsed structure. A telescoping handle allows a collapsed cart to serve as a hand dolly.

Abstract: Maneuverable strollers are disclosed herein. An example stroller disclosed herein includes a frame having a front wheel and rear wheel to support the frame. An intermediate wheel is positioned between the front wheel and the rear wheel. A carriage is coupled to the rear wheel, the intermediate wheel and the frame.

Abstract: Devices and methods for convertibly changing the means and carrying capacity of a pedestrian are provided. Specifically the present disclosure comprises a backpack capable of being converted into a wheelbarrow for the purpose of transporting increased loads in emergency or varying conditions. The device may include a frame and satchel whereby a series of components are fastened to the frame in order provide for implements such as handles and rolling wheels for transportation of increased loads. The components of the system may include, for example, a frame, a satchel, handles, a wheel, and an axle. When assembled to convert the pack to a wheelbarrow configuration, the device may increase the safe carrying capacity of a pedestrian from 50-100 lbs. to 200-300 lbs. or more.

Abstract: A device for transporting a ladder has first and second frame positions, the lower ends of which are pivotally mounted on an axle that also mounts a wheel for rolling along the ground. The upper ends of the frame portions are moveable toward and away from each other allowing the device to collapse for storage. A hook is mounted on the upper end of each of the frame portions for attachment to adjacent rungs of the ladder. A strap connects the upper ends of the frame portion to prevent them from separating from each other beyond a given distance.

Abstract: An unpowered, self-elevating and self-lowering home appliance assembly cart for supporting and transporting a plurality of home appliance assembly components, such as oven doors, including a base, and a self-leveling and self-lowering door suspension and supporting system having a mast, a rail system moveably coupled to the mast, a plurality of arms extending from the rail system, each pair of arms for supporting a home appliance assembly component, and a self-leveling and self-lowering device that automatically self-levels and self-lowers the pair of arms within a predetermined acceptable ergonomic work zone with respect to a vertical height along the mast based on an unloaded state, a partially loaded state, and a loaded state of the plurality of arms and without power assistance, the predetermined acceptable ergonomic work zone being for loading and unloading the home appliance assembly component from the pair of arms.

Abstract: A pushing vehicle is described for transporting at least one child, including: a wheeled chassis including a chassis frame and a plurality of wheels that are rotatably mounted relative to the chassis frame to support the chassis frame above a ground surface and which enable the chassis to be moved along the ground surface; a passenger support for supporting a child; wherein the passenger support is attachable to the frame in a mounting position by a single tool-less attachment mechanism for attaching an underside of the passenger support to the chassis frame, to support the passenger support generally above the wheeled chassis. Also described are related modular seating systems and a supporting compartment.

Abstract: A stroller is provided which includes a chassis having first and second opposing frame elements; a seat suspended from said chassis by way of first and second support elements, wherein said seat includes upper and lower 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, wherein said first and second support elements are rotatably attached to said first and second frame elements, and wherein said first support element extends under said lower portion of said seat; and a motor which rotates said first support element.

Abstract: A folding stroller with changeable seating positions two infants or children is provided. The seating positions for two children may include side-by-side, with the seats positioned to be transverse to the direction of travel of the stroller, with seats facing the same or facing in opposite directions. Seating positions may also include in-line front-to-rear, facing forward or backward; side-by-side facing forward or backward. At least one seat may be provided with a reclining mechanism in which the seat may be reclined between a first position and a second position such that the center of mass of the seat remains substantially aligned with a vertical axis of the stroller.

Abstract: Sit or stand strollers and methods of using and making the same are described herein. An example stroller includes a frame, a first set of mounts, a second set of mounts and a removable accessory. The removable accessory comprises a seat to be mounted to at least one of the first or second sets of mounts, a platform positioned beneath the seat, the platform to provide a standing surface for a stroller occupant, and a handle cantilevered above the platform and in front of the seat to provide a grip for the occupant when standing on the standing surface.

Abstract: A modular standing frame is described herein. The modular standing frame has a chair module adapted to raise and lower a user between sitting and standing postures without inducing shear between the user and the seat and seat back of the chair module. The chair module may be selectively coupled to one of a glider module adapted to provide walking-type exercise to a standing user, a workstation module that provides a work surface for a sitting or standing user, and a mobility module that allows the standing frame to be moved about by a user much like a wheel chair.

Abstract: A headrest-adjusting mechanism is adapted for use with a stroller. The stroller includes a headrest-supporting tube and a backrest-supporting tube. The headrest-adjusting mechanism is adapted to be connected between the headrest-supporting tube and the backrest-supporting tube in such a manner to allow for rotation of the headrest-supporting tube relative to the backrest-supporting tube from a usable position to a folded position in a predetermined direction.

Abstract: Described is a collapsible cart that provides substantial stability when operated. Enlarged inflatable or compliant rear wheels allow an operator to lift a front end of the cart to traverse rough surfaces as needed. Enlarged rear wheels are mounted outside an overhead profile of the collapsible cart thereby providing lateral and other stability. A first shelf, bucket or working surface may be collapsed to contact or mate with a second such shelf to create an easily transportable or storable collapsed structure. A telescoping handle allows a collapsed cart to serve as a hand dolly.

Abstract: A rollator is disclosed in this invention. The rollator includes: a base frame; front wheel assemblies and rear wheel assemblies respectively mounted on both sides of the base frame; an inverted U-shaped supporting pipe; a H-shaped armrest bracket; connection pieces having block grooves thereon; a slide control lever for cooperating with the block grooves; a seat plate; a spring element; wherein the base frame is provided with unidirectional hinged seats; both bottom ends of the supporting pipe are hinged to the base frame, and both side arms of the supporting pipe are provided with slide holes facing each other; the armrest bracket has bottom portions hinged to the unidirectional hinged seat. The rollator has a simple structure and can be used for various situations in both folded and unfolded state.

Abstract: The Buggy Jack is used to transport a conventional automobile floor-type hydraulic jack across rough, sandy or otherwise unstable, loose terrain, and rolls it into position below a vehicle that requires inspection, maintenance or repairs even on rough or sandy terrain.

Abstract: A seat supporting assembly (24) for supporting a seat (18), the assembly comprising a base (25) including a substantially elongated guiding rod (58), a seat support (36), a seat support-to-base linking member (56) pivotally coupled to the seat support (36) and sliding on the base guiding rod (58), a substantially elongated tilting member (60) having a guiding groove (66) and being pivotally attached to the seat support (36) and to the base (25). An actuating assembly (44) is coupled to the base (25) and includes a motion transmitting member (68) mounted within the guiding groove (60).

Abstract: A stroller includes a chassis, a main body disposed on the chassis, and a first vibration-absorbing mechanism including a first rod structure, a first sleeve structure, a first inner elastic part, and a first outer elastic part. The first rod structure is connected to a side of the chassis. The first sleeve structure is connected to the main body and movably sleeves the first rod structure. The first inner elastic part abuts against the first rod structure and the first sleeve structure. When the first vibration-absorbing mechanism is in a first use state, the first outer elastic part is in contact with one of the first sleeve structure and the first rod structure. When the first rod structure slides toward the first sleeve structure over a specific distance, two ends of the first outer elastic part abut against the first sleeve structure and the first rod structure, respectively.

Abstract: Vehicle for carriage of children, comprising a frame and at least two wheels which are attached to the frame. The vehicle can be transformed between at least a first configuration as pushable buggy and a second configuration for use as a towed trailer, and in both first and second configurations provides room for at least one child. The vehicle can be transformed between the first and second configuration by adjusting the width of the frame and location of the center of gravity.

Abstract: A seat assembly mechanism for a stroller has a seat frame and a main frame. The seat assembly mechanism includes a positioning device and a seat supporting member. The positioning device is disposed on the seat frame and includes a positioning pin movable between a locking position and a releasing position. The seat supporting member is disposed on the main frame, and includes a positioning-device recipient corresponding to the positioning device and a positioning groove located at a side of the positioning-device recipient. Furthermore, the positioning device is detachably assembled to the seat supporting member, and the positioning pin inserts into the positioning groove when the positioning device is disposed in the positioning-device recipient of the seat supporting member for assembling the seat frame to the main frame.

Abstract: A wheel supporting mechanism for adjusting height of a housing supported by the wheels is provided. The wheel supporting mechanism includes wheels supporting a housing; an axle extending from each of the wheels; a wheel mounting member, which has a bearing rotatably supporting the axle, and which has a first end portion and a second end portion; a pivot supporting portion, which pivotally supports the wheel mounting member in relation to the housing; a pivot restriction member that restricts pivoting of the wheel mounting member by being engaged with a vicinity of the second end portion; and an adjustment member that adjusts a height of the housing in relation to the wheel by restricting a pivoting range of the wheel mounting member by connecting the pivot restriction member to the housing.

Abstract: The technology described herein provides a portable, collapsible, and multifunctional pediatric transporter. The pediatric transporter provides walker, stander, sitting chair, stroller, and wheelchair functionality. The pediatric transporter includes frame members joined each to the other forming a frame, non-swiveled, and swiveled wheels, handlebars disposed upon the frame, a handgrip disposed upon each handlebar, a removable, storable seat, a support bar configured to support the seat when the seat is in use and being a handle bar for a standing child when the seat is not is use, a removable, storable standing platform, hinges disposed upon the frame to provide foldability, collapsibility, and portability of the pediatric transporter, and a lever configured to be depressed single-handedly to collapse the pediatric transporter.

Abstract: A suspension system for a stroller is described. The suspension system may include a rotating damper mechanism used between a stroller frame and a stroller wheel. In one example, apparatus for providing suspension/damping of a stroller includes a first member attached to a stroller frame, a second member disposed co-axially with the first member and operable to rotate relative to the first member, and at least one elastic member (e.g., urethane) positioned between the first and second members for damping motion (e.g., rotational or translational motion) therebetween. In one example, four elastic members are disposed between the first and second members.

Abstract: A wheelchair comprising a chassis, which has a lower chassis section pivotally connected to an upper chassis section, such that the upper chassis section can pivot in relation to the lower chassis section about a substantially horizontal axis; where said lower section comprises two substantially parallel load carrying members, oriented in a direction parallel to the intended travelling direction of the wheelchair; where the load carrying members are spaced in a direction perpendicular to the travelling direction by at least one transverse member; where the rear wheels can be detachably mounted where the transverse member intersects each of the load carrying members; and where close to, or as a part of, the mechanism pivotally connecting the upper and lower section, front wheels can be attached, said wheel mounting being pivotable about a vertical axle; where a seat can be slidingly attached to the upper chassis section, and the seat further can be pivoted about a horizontal axis.

Abstract: A stroller is provided that features a frame element and at least one wheel supporting the frame, a first arm member configured to be gripped by a human hand mechanically coupled to the frame element such that the first arm member moves in a reciprocating manner with respect to the frame element, and a second arm member configured to be gripped by a human hand mechanically coupled to the frame element such that the second arm member moves in a reciprocating manner with respect to the frame element. A coupling member is provided that mechanically couples the first arm member to the second arm member such that the reciprocating movement of the first arm member is substantially maintained in opposition to the reciprocating movement of the second arm member whereby the natural periodic movement of human arms during walking or jogging is facilitated.

Abstract: A mobility frame (10) comprising: a multi-wheeled base (11), an upstanding support (13) having a substantially upright lower portion (17) attached to the base (11), an oblique portion (27) disposed at a height from the base (11), the oblique portion (27) extending obliquely upwardly from the lower portion (17), an upper portion (29) extending substantially upwardly from the oblique portion (27); and at least one handle (35) for steering the mobility frame (10) and/or for allowing a user to support them-self on the mobility frame (10).

Abstract: A material handling cart to assist one person in handling large sheets of material such as sheets of plywood and easily transport said sheets to a machine for machining or other operations. With the tilting table feature in the vertical position it will easily transport a large sheet of material through a walkthrough door 32 inches or wider. Arriving at said machine or workbench, two of the four casters can be locked, the table tilted flat and said material can be slid off the cart into the machine or onto the bench. It was designed for the home workshop or small cabinet shop, but obviously would work well in many other applications. It is also convenient for unloading materials from a pickup truck and transporting to a storage rack or other storage units.

Abstract: A diver's station and umbilical cart neatly stores the umbilical cord and other various items used in hookah diving and has a frame made from various bars of aluminum stock. A set of wheels is pivotally attached to one end of the frame while a handle is attached to an opposing end. A seat is telescoping attached to the frame proximate the wheels. A first set of legs extends upwardly from the frame proximate the handle and has a first tray there atop, while a second set of legs extends upwardly from the frame between the first legs and the seat and has a second tray there atop. A telescoping post extends upwardly from the frame and passes through the second tray, the post having a T-brace there atop.

Abstract: A children's ride-on toy includes at least two casters. The ride-on toy has a first caster mount connected to the body, wherein the first caster mount comprises a first caster receptacle, and a second caster mount connected to the body, wherein the second caster mount comprises a second caster receptacle. In at least one embodiment, the first caster has an engagement shaft that is uniquely adapted to engage the first caster receptacle, and the second caster has an engagement shaft that is uniquely adapted to engage the second caster receptacle. In at least another embodiment, a first bushing rotatably engages the first caster and is uniquely adapted to engage the first caster receptacle, and a second bushing rotatably engages the second caster and is uniquely adapted to engage the second caster receptacle.

Abstract: A patient support apparatus includes a frame, a plurality of casters coupled to the frame, and a push handle that is coupled to the frame and that is gripable to maneuver the patient support apparatus along a floor. The patient support apparatus also has a brake handle that is coupled to the push handle and that is movable to brake at least one of the casters. A pedal arrangement for the patient support apparatus is also disclosed. The pedal arrangement includes first and second side pedals and a center pedal supported by the first and second side pedals.

Abstract: A load-carrying dolly having four wheels (6, 7) adjacent the corners of its platform (1) is rendered immobile by conversion to a pallet-like condition by lowering bearers (9, 10, 11) into contact with the floor or ground (24) and then raising the platform (1) slightly to raise the wheels (6, 7) clear of the floor or ground by means of either of two pedals (25, 32), one below each end of the platform (1), with linkage (of either of two forms, not shown) to bars (23) connecting in “slave” pairs of toggle links (20, 21) by means of which the bearers are suspended through beams (33) connecting upward extensions (12, 13, 14) at the ends of the bearers (9, 10, 11), the toggle links in each pair becoming locked by mating abutments (28) coming together when the links have passed slightly beyond in-line position, the mechanical advantage of the depressed pedal (25 or 32) being amplified by that of the pairs of toggle links when passing through in-line positions.

Abstract: A patient support apparatus includes a frame, a plurality of casters coupled to the frame and supporting the frame above a floor, a wheel, a push handle that is coupled to the frame and that is gripable to maneuver the patient support apparatus along the floor, and a brake handle coupled to the push handle and movable to move a brake to impede rotation of the wheel.

Abstract: A wheelchair includes a chassis with rear wheels and front wheels mounted thereto. A support is pivotally coupled by a pivot axis to the chassis. A seat mount is pivotally coupled to the support. An electric actuator can move the support to cause the seat mount to be moved between raised and lowered positions. A clearance is provided between one or more power supply units and suspension mounts to enable the support to move therein during movement of the seat mount to and from the lowered position. The support and actuator are mounted by a mounting assembly that is mounted by guides so that the mounting assembly can be raised by the actuator to further elevate the seat mount.

Abstract: A stroller includes a chassis, a main body disposed on the chassis, and a first vibration-absorbing mechanism including a first rod structure, a first sleeve structure, a first inner elastic part, and a first outer elastic part. The first rod structure is connected to a side of the chassis. The first sleeve structure is connected to the main body and movably sleeves the first rod structure. The first inner elastic part abuts against the first rod structure and the first sleeve structure. When the first vibration-absorbing mechanism is in a first use state, the first outer elastic part is in contact with one of the first sleeve structure and the first rod structure. When the first rod structure slides toward the first sleeve structure over a specific distance, two ends of the first outer elastic part abut against the first sleeve structure and the first rod structure, respectively.

Abstract: A foldable wheel chair or mobility base is disclosed that comprises a chair portion and a wheeled frame. The chair portion has a back hinged to a seat. The frame supports the chair portion, a spaced pair of front wheel caster assemblies and a spaced pair of rear wheels. A lower end of the back of the chair portion attaches to the frame via two spaced brackets which are slidably connected to upright curved rear support members such that they can be moved along the curved rear support members to permit adjustment of the chair tilt between predetermined stop positions along the curved rear support members without changing a seat to back angle. The chair portion is connected to the frame via front support members and diagonal struts connected to common pins fastened to each of the front wheel caster assemblies. The other end of each diagonal strut is hinged to one of the spaced brackets.

Abstract: A collapsible stroller is provided.

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.