Abstract: A wheelchair having a track along which front wheels are slidably moveable between a conventional forward position and a rearward position in which the conventional rear wheels are lifted off the ground thereby to permit the rear wheels to be moved up a curb.

Abstract: A wheeled stroller comprising a frame movable between a use position and a storage position, having a latch member arranged to pivot about an axis of rotation and move axially between a latched position securing the frame in the use position and an unlatched position permitting movement of the frame to the storage position. The latch member including a body portion and a first latch portion and with the with first latch portion coupled to the body portion and being movable between a latched position securing the body portion against axial movement and an unlatched position permitting axial movement of the body portion.

Abstract: A casing (32) included in a baby carriage folding mechanism is mounted on a substantially middle part of the handle of a folding baby carriage. Hinged joints (33) each having a stationary member (34) and a movable member (35) are connected to the opposite ends of the casing (32), and pipes (18) forming the handle are connected to the hinged joints (33), respectively. The pipes (18) are connected to the movable members (35) of the joints (33). Actuating members (38a and 38b) capable of being operated by an operating mechanism included in the casing (32) are connected to the movable members.(35) of the hinged joints (33). The actuating members (38a and 38b) turn the movable members (35) relative to the corresponding stationary members (34) for folding and developing the folding baby carriage.

Abstract: A stroller includes a folding mechanism and a basket support frame. The folding mechanism has front and rear folding parts interconnected pivotally for moving toward or away from each other to a folded position or an unfolded position. The front folding parts are connected to a front frame. The rear folding parts are connected to rear and handle frames.

Abstract: A juvenile stroller includes a stroller frame and a cooler configured to store items in a cooled environment. The cooler is attachable to and detachable from a basket support frame included in the stroller frame. Clips included in the cooler can be coupled to anchor mounts on the basket support frame to support the cooler in a traveling position alongside the rear wall of a storage basket coupled to the basket support frame.

Abstract: A wheelchair easy to move it wherein the burden imposed both on the user of the wheelchair and on a person who helps him is remarkably reduced. The wheelchair a chair body 5 with a seat 1 and armrests 3a, 3b, right and left large wheels 7a, 7b provided on right and left sides of the chair body, right and left front casters 9a, 9b provided in front of the chair body, each of the front casters being adapted to turn in different horizontal directions. The chair body is provided at the rear thereof with right and left rear casters 21a, 21b, each of the rear casters being adapted to turn in different horizontal directions, the position of each of the rear casters being vertically adjustable. The position of each of the large wheels is adjustable forward and backward.

Abstract: A collapsible stroller is movable between a collapsed position for storage and an operating position for transporting the passenger. The frame of the stroller comprises armrests, front leg tubes, rear leg tubes, and handles. In comparison with prior art there is no additional linkage provided by the invention. Also, latch as well as associated linkages and hinges are eliminated. In addition, the collapsing force is suitably transmitted to each component of the frame. Moreover, the handle is remained on top of the frame after collapsed, thus facilitating the future unfolding operation of the stroller.

Abstract: The present invention is a portable chair with caster wheels that is lightweight in construction and easily collapsed, carried, stored and transported by public or private means. The chair can be configured as an assistive mobility device to fill the unmet needs of aging healthy adults who wish to retain their independence and social interactions. It can also be configured as a collapsible office chair to meet the needs of employers with temporary working staff and for use by college students in crowded dorm rooms. Additional features such as an armrest, a foot rest, or a reclining back are easily added during manufacture and because of the chairs uncomplicated design and duplicity of parts, it is very economical to manufacture.

Abstract: The present invention relates to collapsible self-supported structures. All of these structures have one or more of the following characteristics: adjustable length and/or, width and/or height, lightweight, easily collapsed, very compact when collapsed and easily carried, stored and transported.

Abstract: A rollator is provided which has a modified frame with offset wheels and upright armor handle posts which extend into handles. Further, the rollator has a flip-up seat and a push member to allow an attendant to push a person seated on the seat. The rollator has hand brakes mounted on the handles and an optional front basket and foot rests.

Abstract: A three wheel jogging stroller having a conversion kit for enabling the stroller to be interchangeable between a single seat and a double seat model. The conversion requiring only the installation of a insert into the handlebar and an insert into the rear axle with a center bar between the handlebar and the front end and a connecting brace between the handlebar and rear axle. The center bar providing support for both seats. Pivoting means for the structural rods and handlebar extensions all being built into the basic stroller chassis. The entire conversion being performed without the need of any auxiliary tools.

Abstract: The collapsible stroller (10) includes a fixed-width collapsible frame (12), a seat (14) mounted on the frame (12) across the width, front wheels (18,20) mounted to the frame (12), and rear wheels (22, 24) mounted to the frame (12). The frame (12) is movable between an open condition and a collapsed condition wherein the frame is collapsed into a generally planar configuration. Each of the rear wheels (22,24) is mounted to a respective wheel frame (66, 68) that is in turn pivotably mounted to a respective side portion of the collapsible frame (12). In the open position, the wheels (22, 24) are aligned perpendicular to the width of the stroller (10). The diameter of the rear wheel (22, 24) is substantially equal to the fixed width of the frame (12). When the wheel frames (66,68) are pivoted, the wheels moves behind the stroller wherein the wheels are positioned substantially parallel to the folding plane, and also within the peripheral width and height boundaries of the collapsed frame (12).

Abstract: A locking device for a stroller includes a stem member disposed on a front wheel frame of the stroller. The stem member has a reduced intermediate portion with a radial locking hole. A coupling member is disposed to interconnect right and left ends of a connecting frame of the stroller, and is sleeved on and is turnable relative to the stem member. A lateral mount member has one end disposed on the coupling member, and a through hole communicated with the stem member and aligned with the locking hole when the coupling member is turned relative to the stem member to a lockable position. A locking member has a spindle portion disposed in the through hole, and includes an actuated end and a latch portion extendable into and retractable from the locking hole.

Abstract: A detachable hand bar and foot step arrangement for a stroller for carrying an extra young child standing thereon includes a platform slidably supported between a swinging bar and a back supporting stem of a back frame of the stroller such that a downward force which is the young child's weight applied on the platform is capable of evenly dispensing on the stroller in order to prevent the platform from insupportably breaking. The detachable hand bar is capable of adjusting its angle and location along a handle according to the standing position of the young child such that the young child is able to fitly hold the hand bar in the standing position.

Abstract: A baby carriage or stroller is provided with a built-in illumination electrical system, powered by a replaceable or rechargeable battery or by a solar panel. A headlamp or headlamps at the front illuminate the intended pathway of the carriage. Side lamps and a rear or tail lamp or lamps may be provided. The side and rear lamps are typically red as warnings. An interior or baby-illuminating lamp may be provided. One switch controls the interior light and another switch controls the other lights.

Abstract: A support structure for car safety seat for installing on an extensible and retractable stroller which includes a front frame, a rear frame, a handle grip and a support frame. The support structure includes a first and a second support member mounted on the support frame for supporting the weight of a car safety seat. The first support member is stationary. The second support member has two ends engaged respectively with a first and second rotary disks which are turnable about same axis which maintains a fixed distance with the first support member. Turning the second support member may change the relative distance between the first and second support member thereby to support car safety seat of different sizes.

Abstract: A mobile seat arrangement is provided which is configured to collapse for ease of storage and transportation. An x-brace, a rear lock brace and a front racking brace help to hold the mobile seat arrangement in an upright position for use as a stroller, wheelchair, or other seating arrangement. The braces also facilitate the collapse of the mobile seat arrangement in a compact fashion. Placement hooks are also provided to place a seat and back portion into the frame of the mobile seat arrangement. The mobile seat arrangement can also be tilted, with the angle between the seat and back of the seat and back portion remaining constant as the frame is tilted for the user. Arm rests and foot rests are also included.

Abstract: A stroller comprises a folding tubular frame bearing a baby's seat and comprising in turn pairs of front legs (14) and pairs of rear legs (15) bearing at the bottom wheel units (16), side armrests (17) and a rear pushing handlebar (18) in the form of an overturned U.

Abstract: A height-adjustable and collapsible seat for a child stroller is disclosed herein. In the preferred embodiment, the present invention of the height-adjustable, collapsible seat is the second, or rear, seat of a tandem stroller, and is such that the child can sit in the seat either forward-facing or rearward-facing. Using the height-adjustable, collapsible rear seat, the pusher is able to adjust the seat height according to his/her preferences and needs (for instance, he/she can place the child at eye-level), or can even remove the seat entirely to provide for additional storage space or room for a second child to ride on the standing platform at the rear of the stroller, if such a platform is provided. In the preferred embodiment, the rear seat is also fitted out with the necessary attachments for an infant carrier, so that the stroller can accommodate any combination of child and infant, facing forward or rearward.

Abstract: The present invention relates to a positioning device for a backrest of a stroller, which can fix the backrest frame of the stroller on different positions to meet variety-resting needs. Especially, when the backrest frame is on a position undertaking larger loading, it secures the backrest from taking off or dropping down. The positioning device for a backrest of a stroller comprises a positioning seat mounted on a rear frame of the stroller and a wedging hook mounted on the backrest for engaging with the positioning seat. A safe shield is equipped on the positioning seat for securely maintaining the position between the wedging hook and the positioning seat to make the backrest firmly keep fixed position when an accidentally torsion force occurs.

Abstract: A stroller that accepts and supports various types of child's car seats is easily converted from its operational state to its storage state by actuating a latching mechanism. The stroller includes a lever which facilitates the removal of the child's car seat. A seat assembly can be attached to the stroller to convert the stroller from a child's car seat carrier to a toddler stroller. The seat assembly remains in the upright position when the stroller is converted from the storage state to the operational state.

Abstract: A collapsible three-wheeled stroller for transporting a child includes a frame movable between folded and unfolded conditions, a handle mounted on an upper portion of the frame for pushing the stroller, one front wheel and two rear wheels rotatably mounted on a lower portion of the frame, and a seat on the frame for supporting a child. The frame is constructed from a plurality of articulated frame members movable from the unfolded condition to the folded condition with accompanying motion of the rear wheels toward one another and a generally forward and downward motion of the handle.

Abstract: A locking device for collapsable stroller is located at the gripping portion of handle. The locking device comprises a housing, a pair of meshed driving members in the housing pivotal in opposite directions a push button engaged with driving members, and a pair of steel cables coupled to the driving members. Whereby press push button to pull steel cables toward the center of gripping portion, thereby unlocking the latches so as to unfold the stroller. The stroller further comprises a safety mechanism at the upper side of one driving member. Safety mechanism comprises a pawl-like member blocks the push button in the locked state of the stroller, thus preventing latches from accidentally being unlocked.

Abstract: A single-hand folding device comprises a slidable pressing device having racks, drawing cams having teeth on their peripheries, slidable keys for performing locking operation and wires with one end fixed to the drawing cams and another end fixed to the slidable keys, when the slidable pressing device is displaced with respect to the drawing cams, the racks of the slidable pressing device drive the drawing cams to rotate and the drawing cams draws the wires to pull the slidable keys to a released position so that a baby carriage can be folded.

Abstract: A child seat structure for attachment to a stroller frame includes a child seat having a seat cushion and a seat back support. The seat cushion has a front portion with at least one tab affixed thereto. The child seat structure also includes a passenger support base attachable to the stroller frame. The passenger support base has a trough and at least one opening through the trough. The passenger support base also has at least one projection thereon, such that the tab can pass through the opening and connect to the projection to secure the front portion of the seat cushion in the trough of the passenger support base.

Abstract: A baby carriage includes a pair of front legs 12, 12 each having a front wheel 11 at its lower end of the leg 12, a pair of rear legs 14, 14 each having a rear wheel 13 at its lower end of the leg 14, a pair of side connecting rods 23, 23 each having one end rotatably connected to a middle part of the front leg 12 and the other end rotatably connected to a middle part of the rear leg 14, a pair of handle pipes 18, 18 having their middle parts rotatably connected to upper parts of the rear legs 14, 14 respectively and a pair of locking mechanisms 25, 25 connecting respective lower ends of the handle pipes 18, 18 with upper ends of the front legs 12, 12 respectively.

Abstract: A combination lift mechanism and wheelchair which is used to lift a user confined to a wheelchair above the seat of the wheelchair for providing relief and healing from bedsores on the user's lower back and buttocks. A vest is mounted on first and second arm portions of the wheelchair as pivotal first and second assemblies. The user is secured to the vest having hinges and buckle fasteners disposed on the front and back of the lifting vest. Fluid conduits are also disposed within the vest for regulating peripheral body temperature of the user. An actuating mechanism is mounted within first and second support assemblies for selectively lifting or lowering a user a predetermined height for providing circulation, relief and healing from bedsores.

Abstract: A wheelchair having a seat and a plurality of wheels for rolling the wheelchair along a ground surface. A plurality of legs are provided for supporting the seat. Each of the legs is positioned between the seat and one of the wheels. A plurality of struts are also provided. The seat bottom and seat back are pivotally coupled to the seat bottom. The seat back is movable between a folded position and an unfolded position. An actuator for providing at least one actuator output signal in response to movement of the actuator by a user of the device is also provided.

Abstract: A supportive walker includes a front frame, a rear frame with a connection bar connected thereto and a pair of retaining frames connected to the front frame so that the connection bar extends through the two passages of the two retaining frames. A safety device has an engaging portion and an urging device which is biased between the retaining frame and the engaging portion. The engaging portion is releasably engaged with the connection bar by operating the urging device. Therefore, the front frame and the rear frame are expanded or folded securely when the urging device is released. The connection bar of the rear frame is movable in the passages of the retaining frames when the urging device is pressed.

Abstract: A bracket, suitable for being mounted for movement along an elongated wheelchair frame member, has a frame coupling capable of being attached to the elongated frame member. The bracket has an extension extending away from the frame coupling, the extension having an orifice for receiving a wheelchair axle. The orifice is spaced apart from the frame coupling in a direction longitudinally along the wheelchair frame member.

Abstract: A stroller with three wheels includes a support frame, and a linking device. The support frame includes two front support stands, two rear support stands, and a U-shaped push handle having two lower ends each provided with a connecting rod.

Abstract: An invalid dolly for transporting an individual such as a patient or invalid between various sitting locations, for example, on a bed, on a toilet, or in a wheelchair, has a pair of front wheels with a pair of fixed crutch tips in front of and slightly above the front wheels, a pair or rear caster wheels, a diagonally upwardly extending handle, a padded cushion and hand and foot crossbars. The dolly is tipped toward the individual to a position where the handle is nearly vertical and the dolly is resting on the pair of fixed crutch tips. The patient grips a crossbar handle with his chest or stomach against the cushion and with his feet resting on a footbar. The helper or orderly then draws the handle toward him pivoting the dolly onto a pair of front wheels and eventually also onto a pair of rear casters 21. The patient is then resting on the cushion and is wheeled to a new location and the process reversed to deposit him again in a sitting position.

Abstract: A stroller with a brake device which has a mounting seat mounted between two upright rear rods of the stroller. An operating member has a slidable mounting portion mounted slidably on the mounting seat, an operating portion, and a downward extension which is connected to a transverse linking member that has two opposite ends connected to two brake members. The brake members are pivoted to the rear rods about a horizontal pivot axis. The operating member is operable for turning rearward to cause the slidable mounting portion and the transverse linking member to move rearward relative to the mounting seat so as to enable the brake members to pivot in a direction for moving to a braking position, where the brake members engage two rear wheels of the stroller to stop rotation of the same.

Abstract: A safety-control device of height adjustment for a baby walker includes two opposite planks, a main body and a pressing board. The main body is provided with a lateral opening in the front wall for receiving an elastic article and a stopping button. In the top of the main body is provided with an upper room for the elastic article and the stopping button and an operating block to be placed in. The lower section of the operating block is placed in the hollow of the stopping button, and a fixing pin is used to penetrate through the passing holes of the main body and the long hole of the operating block so as to make the operating block be pivotally assembled with the main body.

Abstract: A quick release hub assembly having an elongate hollow axle for receiving thereon a captively held rotatable wheel. For attachment and release, the assembly is provided with an insert mechanism, which fits within a tubular opening on a vehicle. The assembly includes an elongate rod threaded at one end and having a pivotable cam member and handle on the other end. A cam follower washer member is positioned on the rod between the handle and the wheel. The insert mechanism includes first and second cone members in facing relation with a split nylon ring in between the two facing cone surfaces. The cone members are received on the rod and are held in place thereon between the wheel and the threaded end by means of a locking nut.

Abstract: A stroller includes two front legs, two positioning bases each secured on the upper end of one of the two front legs, two handles each detachably secured in one of the two positioning bases, two support bars each having its upper end pivotally attached to the lower end of one of the two handles, two rear legs each having an upper end pivotally attached to one of the two positioning bases and a lower end pivotally attached to the lower end of one of the two support bars, and two locking devices each mounted on one of the two positioning bases with each detachably securing one of the two handles to the respective positioning base.

Abstract: A tandem stroller has a stroller frame, a forward carriage portion attached to the frame and adapted to carry a first child, and a rearwardly facing seat attached to the frame and adapted to permit a second child to sit behind the forward carriage portion, with the second child facing in a rearward direction. The tandem stroller also includes a flexible seat back for the rearwardly facing seat, a pivotable standing platform, a gripping bar for the second child to grasp while standing on the standing platform, a removable tote, and a brake mechanism for the rear wheels. The forward carriage portion of the tandem stroller further includes a pivotable seat back that pivots between a first position and a second, substantially upright position to provide head clearance for the second child seated behind the forward carriage portion. The stroller also includes a brake mechanism having a safety feature. The brake mechanism can be applied to any stroller.

Abstract: A folding-collapsible double-seat baby stroller includes two front wheel frames, a handle, two stepped top frames and two stepped bottom frames bilaterally horizontally coupled between the front wheel frames and the handle, the top frames and bottom frames each having a higher rear side and a lower front side, two rear wheel frames respectively pivoted to the top frames, two support frames bilaterally coupled between the rear wheel frames and the handle, a front seat mounted on the front side of the bottom frames, a rear seat mounted on the rear side of the bottom frames above the elevation of the front seat, and a locking mechanism adapted to lock the handle and the support frames, keeping the folding-collapsible double-seat baby stroller in the extended position.

Abstract: A foldable stroller includes a pair of rear legs, a pair of hollow handle tubes, a pair of front legs, a pair of bracing rods, a pair of locking members, a pair of plungers, a pair of actuating members, and a pair of biasing members. Each handle tube has a lower end with a forward enlarged portion. Each front leg has an upper end with a rearward enlarged portion. When the handle tubes are moved from a folded position to a stretched position, the forward enlarged portion moves from a first angular position where the forward enlarged portion overlaps slightly with the rearward enlarged portion, to a second angular position where the forward enlarged portion overlaps extensively with the rearward enlarged portion. Each locking member has a hooked portion disposed on the rearward enlarged portion and a rear hooking portion that is pivotally mounted on the forward enlarged portion, and that engages the hooked portion when the forward enlarged portion is in the second angular position.

Abstract: A wheelchair side frame comprises a front side frame and a rear side frame coupled to the front side frame. The front side frame is adjustable relative to the rear side frame to vary the elevation of the rear side frame relative to the front side frame. The front and rear side frames may each have upper and lower portions. A first coupling couples the upper portion of the rear side frames to the upper portion of the front side frames. A second coupling couples the lower portion of the rear side frames to the lower portion of the front side frames. The first and second couplings are adjustable in elevation. A wheelchair may comprise a pair of side frames each including a front side frame and a rear side frame coupled to the front side frame. The rear side frames are adjustable in elevation relative to the front side frames. A pair of rear wheels supports the rear side frames and a pair of front casters supports the front side frames.

Abstract: A wheelchair (1) has a seat support (5) which has a pair of longitudinal bars (1) which extend downwardly at the front. The bars (10) are connected to a backrest support (6) which pivots via a triangular plate (25) to a collapsed position at which it overlies the seat support (5). The wheelchair (1) also has a lower leg support (7) which pivots about pivot joints (5) to fold up underneath the seat support (5) to collapse in a very compact and simple manner.

Abstract: The present invention relates to a child walker, which utilizes a circular base member and a specially designed moving device to provide the functions of tipping preventing and auto-braking. By these designs, the child walker can prevent from tipping when it passes over an edge of a floor or vicinity of stair steps and control the speed of the child walker. The moving device is connected to the bottom of the circular base member for supporting the circular base member, wherein the moving device further comprises un-directional rollers for moving to an uncertain direction, directional rollers for moving to a certain direction but with a little deviation in angle from the forward direction and a stopping means for prevent the child walker from tipping when any roller is passing over an edge of a floor and then inclining by the friction between the bottom of the circular base member and the surface of the floor.

Abstract: A foldable powered mobility device includes an actuator for providing an output signal in response to movement of the actuator by a user of the device. A central processing unit receives the signal correlating to the actuator angle of articulation and the direction of articulation and creates a series of signals to independently drive motors, thereby controlling the speed, direction and travel of the mobility aid to that desired by the operator. The central processing unit also receives signals from tachometers monitoring the speed and direction of travel for each wheel. The central processing unit creates an independent signal to control the speed and direction of travel of each of the right and left drive motors. By independently driving each drive motor, the mobility aid is powered in the desired direction at the desired speed.

Abstract: A wheelchair having a seat and a plurality of wheels for rolling the wheelchair along a ground surface. A plurality of legs are provided for supporting the seat. Each of the legs is positioned between the seat and one of the wheels. A plurality of struts are also provided. Each of the struts couples a first of the legs to a second of the legs. Each of the legs bears only compressive force in supporting the seat, and each of the struts bears only tensile force.

Abstract: A carriage for seating multiple children that includes a frame, a seating assembly disposed on the frame, and a wheel assembly rotatably mounted to the frame. The seat assembly comprises a pair of guard rails, a plurality of cross member rails that form arm rests for the multiple children sitting on the seat portion and further divide each guard rail into multiple sections, and a plurality of seat backs.

Abstract: A security device of a toy stroller includes two bodies each having two passages to respectively receive the upper frame and the lower frame of the toy stroller. Two engaging members of a seat are respectively mounted to the upper frame and adjacent to the two bodies so as to limit the bodies from being moved along the upper frame to disengage from the lower frame such that the upper frame and the lower frame can not be folded relative to each other.

Abstract: A baby stroller apparatus used in combination with a standard child's car seat. The car seat includes a transportable base having at least one transverse slot and a latching mechanism mounted retractably within the slot and releasably interengagable with a locking component in a standard fixed base mounted in a motor vehicle. The stroller includes a frame having a pair of elongate, generally parallel side sections and at least one pair of elongate, generally parallel crossbar members that transversely and rigidly interconnect the side sections. The crossbar members in each pair include an upper crossbar member that is interengaged by the transverse slot in the transportable base of the car seat and is releasably interengaged with the latching mechanism. A lower crossbar member is interengaged by the transportable base such that the baby's car seat is supported on and releasably locked to the frame.

Abstract: An improved folding mobile seating structure with a seat and back portion movable relative to a framework, providing more comfort for the user. The seat and back portion may be moved relative to the supporting framework structure as a unit in a pivotal motion relative to the framework, or the arrangement may allow some degree of articulation between the seat and the back. The structure is foldable and is light in weight. The seat and back portion may be pivotal between an upright seating condition and at least a partial recumbent condition, and optionally to a flat horizontal condition. Telescoping tubes may be utilized for connection of the seat and/or the back to the framework for allowing the pivotal motion.

Abstract: A suspension for a vehicle includes an apron having a seat fixed thereon, a steering handle supporting member pivotally affixed to opposite sides of a rear portion of apron, a left front frame member and a right front frame member, each the front frame member having a front wheel installed to a front end thereof. A left rear frame member and a right rear frame member each have a rear wheel installed to a rear end thereof. A guard support, a left front link and a right front link are provided. Each front link is connected between a substantially middle portion of the front frame member and a lower end of the handle supporting piece. A left rear link and a right rear link, each connected between a substantially middle portion of the rear frame member and the pivoting point of the steering handle supporting member.

Abstract: A stroller includes a pair of front legs, a pair of rear legs, and an inverted U-shaped handle having two push bars.