Abstract: A removable cart for a golf bag is provided. The cart includes a frame for receiving and releasably retaining a golf bag, a first set of wheels and a second set of wheels operatively connected to the cart frame, the first set of wheels configured to extend to a distance longer than the second set of wheels. Upon folding, the first set of wheels wraps around to encompass the second set of wheels. The first and the second set of wheels are connected by axles such that each set of wheels remains parallel to each other at all times, in both a folded position and an open position.

Abstract: A cart for supportably transporting a plurality of bags by the handles of the bags when the bags have one or more items therein. The cart allows the user to easily transport full bags and, relative to standard carts, reduces the likelihood that the bags will spill. The cart has a collapsible frame assembly with a first frame member and a second frame member, a bag support assembly for receiving and retaining the bags, a handle for pushing the cart and a pair of wheel assemblies to allow the cart to move across a surface. The frame assembly is in a generally X-shaped configuration with one of the frame members configured to shorten or lengthen to place the cart in an upright position or a collapsed position. A pull pin is used to automatically fix the position of the cart and allow the user to raise or collapse the cart.

Abstract: A cart (20, 50, 90) includes a plurality of removable baskets (24, 54, 94) having respective rims (40, 76). A foldable frame (22, 52, 92) has folded and unfolded configurations, and includes multiple wheels (32, 65, 108, 110) and an upper supporting structure (36, 58, 98), which is capable, when the frame is in the unfolded configuration, of supporting the baskets side-by-side by the respective rims.

Abstract: An apparatus (10) for transporting items includes a base (12), a handle element (16) extending from the base (12), a pair of rollers or wheels (20) mounted to the base (12) and a platform (14) mounted to the base (12) and adapted for movement between a stored condition and an operative position. The platform (14) includes first and second leg elements (24) and a platform support (26) connected to the first and second leg elements (24) and extending therebetween. The platform (14) is dimensioned and adapted to carry an object when in the operative position. The platform support (26) may comprise a flexible material such as a fabric material.

Abstract: A collapsible wagon comprises a frame, four wheels, a pliable liner, and a telescoping tow handle. The frame has four sides that are each formed by a respective scissor-bar assembly. The frame also has a vertically oriented telescoping pole assembly at the intersection of each pair of the scissor-bar assemblies. The frame is configured such that, as the wagon is altered from its expanded to its collapsed configuration, the scissor-bar assemblies and the telescoping pole assemblies increase in height and the scissor-bar assemblies decrease in width. Each of the four wheels is attached to a bottom end portion of a respective one of the telescoping pole assemblies. The pliable liner is connected to the frame and defines an open-top interior compartment of the wagon when the wagon is in its expanded configuration. The telescoping tow handle is adjustable between collapsed and expanded configurations.

Abstract: A modular kit for constructing a dolly comprising of at least one strut having a first and second end, and a first, second, and third through hole; at least one first connector; at least one second connector, each first connector removably attaches to each second connector, hereinafter referred to as a connector assembly, after at least two struts have been modularly assembled, each connector assembly is threaded through either the first, second, or third through holes of each respective strut; and at least one caster assembly, each caster assembly removably attaches to each connector assembly.

Abstract: A front wheel folding device of a golf bag cart includes: an upper frame; a lower frame; a support base; a pin coupled to the upper frame and fixed to the lower frame and a wheel axle of two rear wheels; a front wheel frame; and a link rod. The front wheel frame has an end axially coupled to the lower frame and another end having the front wheel. The link rod is pivotally coupled between the upper frame and the front wheel frame. The link rod is linked to fold the upper frame and the lower frame together, and to fold the front wheel and the rear wheels together, to achieve the effect of a simpler and quicker operation.

Abstract: The foldable frame cart carries items and doubles as a table. A main-frame has a pivotally attached upper framework, a lower frame stand and wheels attached to the main-frame. A panel attaches to the cart space defining members. The cart is a table when the main-frame is positioned horizontally on the ground. The upper and lower framework are fully extended. The cart has swivel locks. A lower swing arm safety latch system maintains the first frame stand in a fully extended position with respect to the main-frame. An off center swing hinge lock system pivotally attaches the upper framework to the main-frame. The hinge lock systems prohibits unintentional closure or collapse of the framework from its fully extended position with respect to the plane of the main-frame.

Abstract: A fold-away wheelbarrow system is for use in moving materials from one location to another. The wheelbarrow has a shell comprised of a front, a back, a right side, and a left side that hinge together in such a way that the front may open for dumping the carried load and/or the front, back, and sides may fold via a plurality of hinges into a flat configuration for storage. The fold-away wheelbarrow is foldable such that it occupies a greatly reduced area for storage.

Abstract: A hand cart has a frame having a left vertical member and right vertical member, each vertical member having a top end that is coupled to a handle bar, and a bottom end that has a pin extending therefrom. The hand cart also includes a left wheel assembly and a right wheel assembly, each wheel assembly having a tubular housing that receives a portion of a vertical member, and a wheel secured to the tubular housing, with each tubular housing having a spiral slot that receives the pin of the corresponding bottom end for movement within the slot. A carrier plate has a left seat and a right seat, each seat pivotably connected to a corresponding bottom end of a vertical member.

Abstract: A dolly for moving objects having a rectangular platform with casters mounted underneath, having four posts which may be raised from the base and locked into an upright position. The posts further have crossbars pivotally mounted thereon, which are releasably connectable to the crossbars of adjacent posts, to form a supportive railing around the tops of the posts. The posts may further be connected by means of telescopic arms, which are pivotally connected to one crossbar, and extendible to another crossbar, wherein they may be releasably connected by means of a knob at the end of the telescopic arm being pressed into an inverted teardrop-shaped receptacle.

Abstract: A two-fold four-wheel golf bag cart folding device includes a lower cart frame having a connecting plate installed at an upper end of the lower cart frame and a lower supporting base disposed at a lower end of the lower cart frame. An upper cart frame includes a lower end coupled to the connecting plate and has an upper supporting base and a handle module at an upper end, such that the upper supporting base and the lower supporting base are fixed to the golf bag. A rear wheel stand is mounted on both sides of the connecting plate and has a rear wheel. A pull rod includes an end coupled to the handle module and the other end coupled to the rear wheel stand. A front wheel set has two front wheels installed on both sides of the lower supporting base respectively. A locking mechanism is installed between an upper end of the upper cart frame and a lower end of the handle module and has a function of fixing an angle between the upper cart frame and the handle module.

Abstract: A folding golf cart composed of a frame, pillar, handle, handle connector secured to the top of the pillar, and a frame connector secured to the rear end of frame. The handle is rotatably connected with the handle connector, the bottom end of the pillar is pivoted to the frame connector and the rear wheel carrier is connected on both sides of the frame connector. A frame lock is connected between the pillar and frame connector, a handle lock is connected between the handle and handle connector. The handle lock is composed of a manipulator rotatably connected with the handle connector and two gear joint sockets connected with the handle. The two gear joint sockets are pivoted respectively on both sides of the handle connector. Clutch gears for engaging with the gear joint socket are arranged between the manipulator and two gear joint sockets.

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: A foldable cart (100) comprising a foldable framework with foldable wheel units (140) and flexible containers (130) attachable thereto. The cart may be folded to fit a vehicle's luggage room, and the containers may be used to store products when attached to the framework, and carry them on when the framework is folded. The framework and the wheels may be folded inwardly such as to minimize the volume and the dimensions of the folded cart.

Abstract: A collapsible shopping cart includes a collapsible support assembly having a support frame with a vertical frame member and a horizontal frame member. The vertical support member is pivotally secured to the horizontal support member allowing the support frame to be selectively folded. A plurality of wheels are coupled to the horizontal support member. The plurality of wheels are coupled to the horizontal support member for movement between a use orientation and a storage orientation, wherein when the plurality of wheels are in the use orientation they extend from the horizontal support manner in a manner permitting engagement with a horizontal support surface such that the support assembly may roll thereupon. First and second storage receptacles shaped and dimensioned for selective attachment to the support assembly are provided.

Abstract: An integrated infusion management system provides for stable support of components attached to the system, even when the system is mobile. The system is optionally a mobility assist or walker for a patient who is attached to any number of medical components. A central trunk connects to a two-sided base that does not interfere with patient motion. The trunk may be angled with respect to vertical and oriented to support medical components in a configuration that is tip-resistant. The system is optionally deployable to facilitate conversion between a compact storage configuration and a stable deployed configuration. In an embodiment, additional deployable features include holding arms for holding various medical components, wheels, mobility arms and handles. Also provided is a novel wheel system with deployable wheels and methods associated with providing compact storage of any one or more of the systems presented herein.

Abstract: A cart (20, 50, 90) includes a plurality of removable baskets (24, 54, 94) having respective rims (40, 76). A foldable frame (22, 52, 92) has folded and unfolded configurations, and includes multiple wheels (32, 65, 108, 110) and an upper supporting structure (36, 58, 98), which is capable, when the frame is in the unfolded configuration, of supporting the baskets side-by-side by the respective rims.

Abstract: A three-fold three-wheel golf bag cart folding device includes a main shaft, a rear wheel set, a link mechanism, a lower cart frame, a front wheel set and an upper cart frame, and the upper cart frame can be pulled and rear wheels can be driven by the link mechanism to fold or unfold, such that the golf bag cart can be folded into a flat shape by a simple and easy operation to achieve the effects of reducing the storage space and facilitating users to carry and transport the cart.

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

Abstract: A shopping cart which can be completely loaded inside a vehicle trunk and unloaded in the same way, without taking objects out of the basket at any time, is disclosed. The main purpose of this design is to facilitate the transport of groceries or other objects from a store to a vehicle and later to a final destination (e.g., pantry). The main parts of the invention comprises a basket with four or more wheels which are located on a structure with foldable legs, and a sliding support system that makes a track for the basket so it can slide completely inside vehicle trunks. This sliding system permits the cart structure and its legs to go inside a vehicle trunk, under the basket with groceries or any other objects.

Abstract: A unique five-device-in-one system comprises the five following devices, which are combined into one system to save cost, time, labor, and space, and can change their shapes and functions while in motion and can function, simultaneously: a wheelbarrow, a wheel harvest-bag trash-bag caddy, a wheel tool-refreshment caddy, a dump truck, and a hand truck. The unique five-device-in-one system comprises left and right multi-purpose foldable handles, left and right frames, left and right sleeves, a roll bar, a nut-washer-axle combination, a wheel, a multi-position locking device, left and right multi-purpose shock absorbers, left and right utility-bag spreaders, left and right attaching screws, a quick-release multi-purpose container, expandable tool-carrying pockets, left and right horizontal hooks and loops, left and right vertical hooks and loops, left and right dustpan hooks and loops, and a multi-purpose foldable dustpan.

Abstract: A collapsible combination golf bag cart (10) is provided for converting between an expanded mode (12) for use on a golf course and a compact mode (14) for storage. The combination (10) includes an external frame (16), a club containment subassembly (18), a front wheel subassembly (20), a rear wheel subassembly (22), a handle (24), and a seat (26). The combination (10) is characterized by a front wheel (66) which rotates and folds underneath in compact mode (14) and rear wheels (106) which pivot backward in expanded mode (12). The external frame (16) and club containment subassembly/bag (18) maintain an offset parallelogram shape for optimal club presentation.

Abstract: The invention relates to a device comprising: a foldable case provided with a base having at least two folding side wheels for supporting and moving same and side panels which can be moved between a folded-up position, in which the panels are positioned in parallel on top of the base, and an unfolded position, in which the panels are arranged substantially vertically, forming together with the base a cavity in which shopping can be placed; and a telescopic handle which is mounted on a support part solidly connected to the base by means of a hinge system which can be used to move the handle between a non-use position, in which the handle is arranged substantially horizontally on the folded-up case, and a use position in which the telescopic handle is arranged substantially vertically on the front side of the unfolded box.

Abstract: A stable extendable apparatus is provided which includes top, bottom, front and rear structures coupled together. The top and bottom structures each include at least one extendable member which defines a minimum length in a longitudinal retracted position and a maximum length in a longitudinal extended position. The front and rear structures each includes a first side support, a second side support, and an extendable cross-support to couple the first and second side supports together. Extension or retraction of the extendable cross-support changes an angle of orientation of the first side support relative to the second side support. The first rear side support, the second rear side support, and the extendable rear cross-support correspond to positions of the respective front supports.

Abstract: A two-fold four-wheel golf bag cart folding device comprises: a lower cart frame; an upper cart frame; a rear wheel stand; a pull rod; a front wheel set; a locking mechanism, installed between an upper end of the upper cart frame and a lower end of the handle module, and having a function of fixing an angle between the upper cart frame and the handle module; and a four-link-rod mechanism, installed among the handle module, the rear wheel stand and the pull rod. The front wheels can be closed in synchronously while rear wheels are being folded, and the four wheels touch the ground simultaneously.

Abstract: A convertible beach cart and canopy apparatus includes a lower frame portion having front and rear support members and side members extending between opposed ends of the front and the rear support members. Wheels are coupled to opposed ends of the rear support members. The apparatus includes a rear frame portion having at least one upstanding support bar fixedly attached to the rear support member, the rear frame portion include a top support member coupled to an upper end of the at least one support bar. An upper frame portion is rotatably coupled to the top support member such that the canopy frame portion is movable between a stowed configuration generally adjacent the lower frame portion and an expanded configuration extending away from the top support member. A canopy is coupled to an end of the canopy frame portion and configured to shade an area adjacent the rear frame portion.

Abstract: Disclosed herein is a folding transport cart which in a parking configuration has a minimum extension and in an operative configuration has a maximum extension in a transverse direction. A folding transport cart can comprise: two side parts which extend substantially perpendicular to the transverse direction of the transport cart, and a folding base part which comprises two flat base segments which are each connected on one base side axis for articulated movement to one side part and are connected on a common base central axis for articulated movement to one another. In order to ensure reliable folding and unfolding the transport cart can comprise a base locking mechanism for locking the folding base part in the operative configuration and a cover part which is connected for articulated movement to one of the side parts.

Abstract: A mobile tool stand includes a base frame unit, a support unit connected to the base frame unit for supporting the base frame unit on the floor, and a carrier unit. The carrier unit includes a carrier plate for carrying a machine tool, a pair of links pivotally connected between the carrier plate and the base frame unit and movable relative to the carrier plate to move the stand between a collapsed position and a supporting position, and a pair of coupling rods pivotally connected to the carrier plate and slidingly coupled to the base frame unit, such that the coupling rods are movable in and out of the base frame unit. Thus, the tool that is carried on the carrier plate can be safely moved from place to place when the mobile tool stand is set in the collapsed, transporting condition.

Abstract: A foldable dolly for use with a truss. The dolly is also extendable.

Abstract: A luggage assembly is provided. The assembly includes a luggage component and a support assembly for use with the luggage component. The support assembly includes a support frame configured for extending from the luggage component between a first position and a second position extended from the luggage component and defining a support area therebetween for supporting additional luggage components and a pivotable device carried by the support frame and extending between spaced-apart wheel assemblies of the luggage component and configured for allowing pivotable movement of the luggage component about the support frame.

Abstract: A cart transportable mobile medical emergency response facility includes a plurality of hand carried carts with cargo canisters with interchangeable components for establishing a decentralized mobile medical treatment facility at a disaster or other emergency area with a lack of usable hospital facilities. The rapidly deployable and accessible collection of carts and medical equipment delivers point-of-need critical care in the absence of conventional time consuming and complex assembly of medical response facilities.

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 folding joint of a golf bag cart includes a main body fixed onto a cart frame and having a chamber formed inside the main body and a long slot formed on both sides of the chamber separately. A driving block is installed in the chamber of the main body. A spring installed at an upper end of the driving block, and a latch rod is disposed on both sides of the driving block separately. Two rotating members, each has an upper end coupled to the cart frame, a lower end coupled to the main body, and a slide slot with a latch slot formed on the slide slot. Thus, the folding joint can be folded or unfolded to secure the cart frame automatically, to provide a simple and convenient operation.

Abstract: A mobile, collapsible table and storage assembly for outdoor recreational use. The assembly includes: a storage compartment having a receptacle and lid, wheels at a first end of the storage compartment, a stand connected to the first end, a handle connected to the storage compartment at a second end, and folding legs connecting the receptacle and lid of the storage compartment. Each leg has a lower limb and an upper limb connected by a pivot, such that the limbs are movable between a folded and unfolded position. An end of one of the limbs at which the pivot is located has an extension portion which engages an adjacent end of the other limb to allow the lower and upper limbs to assume the unfolded position when forming an angle greater than 180 degrees. This prevents the table collapsing by buckling of the folding legs.

Abstract: A load and transport cart includes, under a loading platform, a triangular steering plate and, therebelow, a front part of a footboard, wherein the steering plate has a bore, an annular-segment shaped groove, an elongated hole and two opposing first ball heads. The first ball heads each lie in an articulated manner in a respective bearing at one end of a respective steering lever and, at the other end of each lever is a bearing for a respective further ball head of a respective triangular swinging fork on a stub axle of which a respective front wheel is rotatably mounted, wherein each of the swinging forks is rotatably mounted on the loading platform via pivot pins, and wherein the steering axis is located in front of an imaginary axis and can be deflected to the left or right by the steering angle of 45°.

Abstract: A multi-mode hand truck is convertible to assume a hand-truck mode, a reclined load-assist mode, and a push-cart mode.

Abstract: A beach wagon is disclosed which is convertible from a beach-wagon to a table. The wagon is used for transporting goods and contains a large cargo container with an open top. The beach wagon is easily converted from motorized to manual and back again, through the disengagement and re-engagement of the drivetrain. When motorized, a d-c battery-driven motor drives the rear wheels, and the rechargeable battery thereof is optionally aided by a solar panel. Forward gearing includes low-speed for pavement and hard sand and high-speed for soft sand. A rectangular deck has a pair of table leaves hingedly attached thereto and operable between an open and closed position. The leaves form opposite sides of a cargo container and in the closed position form a table. A pair of container panels attach to the table leaves and deck to form the cargo container.

Abstract: A collapsible foldable utility trailer for the transportation and/or storage of objects, the trailer comprising a supporting chassis frame; suspension for supporting the chassis frame; and a trailer bed retained upon the chassis frame and comprising a plurality of bed sections comprising a first bed section and a second bed section wherein a second planar bed member in the second bed section is hingedly connected between a pair of opposing second bed side walls to a first planar bed member in the first bed section between a pair of opposing first bed side walls so as to allow 90° rotation of the second bed section to effect abutment with the first bed section. A large folding trailer that can be used at full size, or be folded to be used as a short trailer, or folded again for storage.

Abstract: A collapsible cart-trailer includes a folding mechanism that folds the cart-trailer into a small form factor, at least two wheels, modular, and removable and compartmentalized storage. The collapsible cart-trailer is operable in a cart mode and a trailer mode. In the trailer mode, the cart-trailer may be coupled to a movable object by a collapsible, length adjustable tow bar. In the cart mode, the cart-trailer includes a collapsible handle.

Abstract: A three-wheeled golf cart having collapsible mechanism to fold the cart down for storage and transport where the three wheels are placed evenly around the compact volume of the collapsed unit and a button-control unit allows for the front wheel to turn 180 degrees so that the front wheel will be turned and rotated to an offset position away from the center line of the main tube frame, resulting in a small and compact size storage and transport.

Abstract: A foldable cart assembly which is arranged to provide trackable transportation to a product or a person. The cart contains sensors and computer-controlled drive wheels to enable that cart assembly, when fully opened, to follow a safe path as directed by received electronic signals. That cart assembly is also tri-foldably collapsible, so as to have multiple portions pivoted into nesting configuration with one another thus containable in a minimal volume and even carried by an individual.

Abstract: A golf bag cart includes a body for engaging a golf bag. The body has a first longitudinal end and an opposite second longitudinal end. A first pair of wheels is rotatable about a first axis of rotation at or adjacent the second longitudinal end, a second pair of wheels rotatable about a second axis of rotation which is pivotable relative to the body between a folded position and an outstretched position. When the second axis of rotation is in the outstretched position, the first and second wheel pairs support the body in a slanted orientation. When the second axis of rotation is in the folded position, the first and second wheel pairs support the body in a generally horizontal orientation. When the second axis of rotation moves from the outstretched position to the folded position, the second axis of rotation moves away from the first axis of rotation.

Abstract: A folding joint of a golf bag cart comprises: a main body, fixed onto a cart frame, and having a chamber formed inside the main body and a long slot formed on both sides of the chamber separately; a driving block, installed in the chamber of the main body, and having a spring installed at an upper end of the driving block, and a latch rod disposed on both sides of the driving block separately; and two rotating members, each having an upper end coupled to the cart frame, a lower end coupled to the main body, and a slide slot with a latch slot formed on the slide slot, so that the folding joint can be folded or unfolded to secure the cart frame automatically, so as to provide a simple and convenient operation.

Abstract: Embodiments of the invention are generally related to a mobile shelter. In particular, several embodiments relate more particularly to a movable storage container configured for interconversion between various configurations. In several embodiments, the mobile shelter is configured as a shelter adequate for protection of its occupants against the elements. In several embodiments, the shelter optionally converts into a collapsed configuration suitable for transportation.

Abstract: A foldable golf pull/push cart is disclosed. In some embodiments, the foldable golf cart is selectively foldable between a folded configuration and an unfolded configuration. In such embodiments, the foldable golf cart is configured to be permanently attached to a golf club bag in both the folded and unfolded configurations as well as while the golf cart is transitioned between the forgoing configurations. According to some embodiments, the golf cart is compact and light enough such that it does not appreciably add to either the dimensions of the golf club bag or the weight of a standard golf club bag containing clubs and other golf equipment. In this way, when the golf cart is in a folded configuration, the golf cart and bag combination can be handled and/or transported as easily as the bag itself. In some embodiments, the golf cart is configured to accommodate any bag a user prefers.

Abstract: The collapsible shopping cart device provides a shopping cart with pivoting telescopic legs. Two spaced apart front legs mount to a pair of spaced apart leg pivots proximal to the basket bottom front. The pivoted legs provide for total collapse to the basket bottom or extension to positions that allow the basket to be selectively varied in height above a given surface such as a store floor. The basket may be provided with hinges between the basket sides and front and back and the basket bottom such that sides, front, and back may collapse for even greater collapsibility for either transport or storage. The sides, front and back are selectively locked in place when expanded. The seat bottom and back may be removable. The handle may be removable. The entire basket and its upwardly disposed components may therefore provide extreme compactability.

Abstract: A golf bag cart foldable device includes a bottom cart stand having a link segment. The bottom cart stand is provided with a channel, for sliding by a slider. The bottom cart stand joins a front wheel. An upper cart stand is in pinned connection with the link segment. A rear wheel frame is in pinned connection with the link segment and to a rear wheel. A linkage is connected between the slider and the upper cart stand. A strut bar is connected between the slider and the rear wheel frame. An interlocking mechanism includes a pull handle and a clamping rod having two ends lodged in the long trough. A connection member has two ends connected to the two ends of the clamping rod. A spring is joined to the clamping rod and the upper cart stand.

Abstract: A golf bag cart comprises a lower frame including a connecting plate pivotally coupled to a rear wheel stand, a slide element installed at the top of the connecting plate, and an upper carrying base and a lower carrying base for placing and fixing a golf bag; an upper frame coupled to a lower frame and pivotally coupled to the upper carrying base; two front wheel stands coupled to the lower frame and pivotally coupled to the lower carrying base; a link rod module composed of link rod modules and coupled between the upper frame, a slide element and front and rear wheel stands for driving the front and the rear wheel stands or the front and rear wheels to fold or unfold; and a lift switch installed between the upper and lower frames and latched for fixing at a position when the golf bag cart is unfolded.

Abstract: A golf bag cart foldable device includes a bottom cart stand having a rear wheel frame at each side to link a rear wheel. The bottom cart stand has a bag base to link a front wheel. An upper cart stand is in pinned connection with the bottom cart stand. A linkage set, including plural linkages, forms links between the upper cart stand and the bottom cart stand and between the upper cart stand and the rear wheel frame. A folding joint enables release of the folding joint first. By the link between the linkage set and the rear wheel frame, simultaneous unfolding or folding of the upper cart stand, the bottom cart stand and the rear wheels can thus be accomplished. The folding joint is secured to have the upper cart stand and the bottom cart stand locked to each other, to achieve handiness in use.