Abstract: A trolley for a vehicle wheel with a flat tire and a kit having the same are disclosed. The trolley can include a cradle with a bottom wall, a pair of side walls, a front wheel abutment, a front deck projecting from the abutment, and an open rear end having a pivotable ramp; a pair of rear wheels; and a front wheel assembly coupled to the front deck having a pair of arms, a pair of front wheels, and a brake assembly. The brake assembly can have a pair of brake pads configured to contact the front wheels when in an engaging position. The trolley can include a pair of posts projecting downward from the front deck, and the front wheel assembly can include a tine projecting rearward that contacts the posts when rotated. The kit can include the trolley and straps for coupling the trolley to the vehicle wheel.

Abstract: A movable base for a shade structure such as an umbrella that is operable between a movable configuration and a braked configuration. The movable base includes a first frame, including a plurality of wheels, such as caster wheels, and a second, e.g., movable, frame that is actuatable relative to the first frame and wheels. In the movable position, a plurality of feed are raised and the wheels are in contact with a ground surface. In the fixed position, the feet of the second frame are in contact with the ground and/or the wheels are raised.

Abstract: A removable transport caster assembly secured to side to side beams or front to back beams in a data center cabinet in a data center. The removable transport caster assembly is temporarily installed on the cabinet to enable the cabinet to be relocated to another location in the data center. The removable transport caster assembly includes a transport caster and a transport caster bracket secured to the transport caster. The transport caster has a mounting plate, a mounting bracket extending from the mounting plate, a lifting plate pivotally connected to the mounting plate, a lifting lever pivotally connected to the mounting bracket and a wheel assembly. The transport caster bracket secures the transport caster to the cabinet when relocation of the cabinet is desired.

Abstract: The Platform-Lift Walker is a walker featuring a vertical driving platform that can lift objects from the ground while the user is standing. Similarly, the Platform-Lift Walker can lower objects to the ground while the user is standing. The Platform-Lift Walker offers users with balance or bending mobility issues an alternative to commercially available picker or grabber devices that are often difficult to use or unable to lift heavier objects. The Platform-Lift Walker includes a walker, a lifting mechanism, and a platform.

Abstract: A vehicle for transporting persons and/or goods, having at least one frame which includes of at least one frame element which extends substantially parallel or obliquely to the longitudinal direction of the vehicle, at least one wheel carrier which can be detachably secured to the frame element and which, together with the frame element, forms a receiving region between the wheel carrier and the frame element. The wheel carrier and the frame element are spaced apart from one another at least in sections so as to form a cavity. The frame also includes at least one wheel unit which includes a wheel and can be fixed or is fixed in a rotatably mounted manner at least in sections in the receiving region between the wheel carrier and the frame element.

Abstract: Disclosed herein is a movable platform (MP) for moving freight during cross-dock operations. The MP comprises a mechanical actuation assembly used to deploy a plurality of roller assemblies used for moving the MP. Also disclosed is an actuating attachment used to deploy the mechanical actuation assembly of the MP. The actuating attachment can be attached to a conveyance vehicle, such as a forklift, or built in to an automated guided vehicle.

Abstract: A movable bearing device includes a base, a plurality of casters, and a plurality of foot pads. The casters are provided on the bottom of the base. The foot pads are movably connected to the bottom of the base in a way that the foot pads are moved upwards and downwards with respect to the base. When the foot pads are moved downwards until their bottom surfaces each have a height equal to or lower than the bottom edges of the casters, the movable bearing device is supported on the ground by means of the foot pads, such that the movable bearing device cannot be moved. When the foot pads are moved upwards until their bottom surfaces each have a height higher than the bottom edges of the casters, the movable bearing device can be moved by means of the casters so as to facilitate the handling work.

Abstract: A tiltable trailer that can assume a high, or road, position, and a low loading position in which the trailer is tilted with respect to the ground. The trailer includes wheels; a chassis mounted on an axle that pivots with respect to the wheels; an actuator for actuating the pivoting of the axle relative to the wheels to vary the position of the chassis with respect to the ground, the actuator including a flexible element secured to the axle and a tensioner attached to the chassis for adjusting tension of the flexible element; and a lock for locking the trailer in the high position, which is separate from the actuator. The lock includes a sliding locking bar, a first end of which is secured to the axle and a second end of which cooperates with a locking mechanism, mounted on the chassis, when the trailer is in the high position.

Abstract: Disclosed are various embodiments for a multi-surface cart that can be modified or configured to move along different underlying surfaces. The cart can include a transport unit and an adjustable base unit that extends below a bottom surface of the transport unit. The adjustable base unit can be adjusted such that the cart is movable along a first surface in a first configuration with a plurality of wheels on the first surface and is moveable along a second surface in a second configuration with an underlying panel of the adjustable base unit on the second surface.

Abstract: A hand propelled three wheeled cart for transporting miscellaneous cargo. The basic cart has a single front wheel with two solid rear supports, such as a standard wheelbarrow. The two rear wheels are attached to a lever that is pivotally connected to the lever mounting support brackets. Lifting the handles pries the two rear wheels, into position, elevating the rear cart support legs off the ground. This cam action reduces the operators lifting effort and improves the lateral stability of the cart. Releasing the handles automatically anchors the cart.

Abstract: A convertible pallet assembly, and associated method of making the convertible pallet, includes a first, planar pallet surface, and a second, planar support surface spaced therefrom. First and second sidewalls extend in parallel relation between the pallet surface and the support surface from adjacent opposite sides thereof. The sidewalls include first and second wheels with respective rotational axes that extend perpendicular to the sidewalls. An actuation mechanism is associated with each sidewall. The actuation mechanism has (i) a first position that allows the first and second wheels on one side to move upwardly and downwardly relative to the sidewall in a non-load carrying condition, and (ii) a second position such that the first and second wheels on the one side project outwardly from the support surface in a load carrying condition whereby the assembly can be rolled on the wheels as a cart.

Abstract: A utility sled is formed from a lightweight material and includes a handle flexibly attached to the front end thereof. The handle includes a hook that is seated within a small opening of the utility sled when not in use. A pair of retractable wheels is attached to an exterior of each sidewall of the utility sled. The sidewalls are biased outward when no load is present. When loaded, the sidewalls advantageously tend to straighten vertically. The formed bottom of the sled includes a plurality of ribs which both add strength to the sled as well as function as sled runners when the wheels are retracted. The ribs operate to reduce friction between the sled bottom and the underlying surface.

Abstract: The present invention comprises a wheelbarrow for use on a surface. The wheelbarrow is generally comprised of a first and second handle, a receptacle, a chassis, at least one leg, a front wheel, a back wheel and an assembly. The assembly includes a on which allows back wheel to pivot between a first position and a second position. When the back wheel is in the first position, the legs are in contact with the surface. When the back wheel is in the second position the legs are raised off of the surface.

Abstract: A wheelbarrow is provided comprising a bed for receiving a load, with an axle mounted to the bed. First and second load-bearing wheels are rotatably mounted to the axle on opposite sides of the bed. First and second rotatable stabilizing wheels are mounted to first and second support arms, respectively, with each of the first and second support arms being rotatably mounted relative to the axle on opposite sides of the bed. A first locking mechanism is associated with at least one, and preferably each, of the first and second load-bearing to selectively permit or prevent rotation of the load-bearing wheels relative to the axle. A second locking mechanism is associated with at least one, and preferably each, of the first and second support arms to selectively permit or prevent rotation of the support arms relative to the axle. An actuator is provided for selectively locking and unlocking each of the first and second locking mechanisms.

Abstract: Present embodiments include a modular welding component transportation system. The system includes a front panel and a wheel assembly. The front panel includes a support platform configured to support a welding system component and the wheel assembly includes a first plurality of wheels. The system also includes a rail configured to adjustably couple with the front panel proximate a first end of the rail and configured to couple with the wheel assembly proximate a second end of the rail. Locating surfaces of the wheel assembly are configured to receive and align the rail for engagement with walls of the wheel assembly. The system further includes a second plurality of wheels configured to be coupled with the front panel or proximate the first end of the rail.

Abstract: A wheelbarrow leg stabilizer having a slip resistant lower surface is provided. Preferably, the slip resistant lower surface includes a plurality of edges structured to engage the ground and thereby increase the starting friction. More preferably, the edges are part of a deformation in the leg stabilizer body. When the stabilizer body is constructed from a generally planar metal member, the deformations may be punched in the stabilizer body thereby creating openings adjacent the deformations. This configuration provides for both an edge that engages the ground but also a face that creates a larger contact surface with the ground.

Abstract: A lifting machine base assembly for use in a machine tool includes a machine base and a lateral wheel set. The lateral wheel set includes two lateral wheel frames respectively pivotally connected to two opposite sidewalls of the machine base, and a wheel shaft rotatably inserted through the machine base and eccentrically connected between the lateral wheel frames. A driving member is fastened to one end of the wheel shaft and operable to raise and lower the lateral wheel frames relative to the machine base and to further force the lateral wheels into contact with the floor to lift the machine base partially or wholly from the floor, allowing the operator to conveniently move the machine tool to a desired position by rotation of the lateral wheels.

Abstract: A mobile base that attaches to the stand of a table saw is disclosed. The mobile base includes wheels and casters that rotate down and lift the saw when a foot pedal is depressed. The mobile base raises the saw asymmetrically to provide clearance for the legs of an extension table attached to the table of the saw. A locking mechanism locks the wheels and casters so that they do not retract while the saw is moved, and a foot-operated lever releases the wheels and casters so that they may retract and lower the saw back to the ground.

Abstract: The present invention relates to a shopping bag with a detachable wheel chassis, comprising a bag body having bag handles and a receiving portion disposed on its bottom, and a two-wheel chassis detachably configured to bear and hold the bag body thereon. The chassis is made of a piece of resilient metal wire and has a configuration having a downwardly extended supporting portion, two oppositely and inwardly inserting portions adapted to be received in the receiving portion of the bag body, and two end portions on which the two wheels are rotatably mounted. The shopping bag of the invention is convenient to use, low in cost, simple in structure, and also finds a wide range of applications. The invention also provides a two-wheel chassis detachably configured to bear and hold an article having a relatively flat bottom and a receiving portion on the flat bottom.

Abstract: A guiding wheel assembly, mainly for a hospital bed, including a wheel (1) with a horizontal rotation axis (6) installed on an arm (7) that is fixed to the frame (5) with the use of an axis (4) allowing swinging in the vertical plane. The wheel (1) is firmly fixed in the straight direction. The arm (7) is provided with a track (3), against which a pressing element (8) leans. The pressing element (8) is fixed with a pin (9) to the frame (5) in a swinging way.

Abstract: A mobile transport has a frame on which two wheels are mounted. A basket type container is permanently affixed to a portion of the frame, which also includes a foot rest section for child passengers. A receptacle post is provided which can support either a bicycle type seat for transporting a child or a container which doubles the carrying capacity of the transport. The frame of the transport also includes a frame extension, removeably attached to the frame, with a towing hitch for connection to a bicycle. Upon removal of the frame extension, the transport can be used as a manual cart, with the upper end of the frame providing the handle for pushing or pulling the cart.

Abstract: A mobile cart for carrying a plurality of fluid canisters. The cart includes a platform configured to support the fluid canisters. The cart also includes a base having a base body and a plurality of wheels movably connected to the base body so that the wheels can be selectively moved with respect to the base body between an extended position and a retracted position. In the extended position, the plurality of wheels extends from the base body so the cart can roll, on the plurality of wheels, over the support surface supporting the cart. In the retracted position, the plurality of wheels is retracted relative to the base body so that the cart cannot roll, on the plurality of wheels, over the support surface.

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 transportable caddy for sports equipment provides multiple storage containers and structures for storing sports equipment in a secured frame, providing a ball rack with a release means allowing for the balls to be intentionally released into the playing arena, storage containers for clean and dirty sports gear, sports markers and hardware, refreshment containers, and other items associated with a particular sport, primarily soccer, basketball, baseball or other sport which requires the transport of bulk equipment to and from the practice or playing venues.

Abstract: A multiple link, self-jacking mobile work cart includes the main body defining upper and lower portions supported by the plurality of rotating wheels. A multiple link, self-jacking mechanism is provided in connection with two laterally deployable work tables which can serve as infeed/outfeed tables for a power tool or the like supported by the main body of the cart. The multiple link mechanism includes an actuator arm, a linkage arm, a control arm and moveable support legs all pivotally connected to one another such that when the work tables are deployed, substantial weight placed on the tables is transferred to the support legs, rather than the wheels which support the main body.

Abstract: A lift wheel set used in a machine tool includes a mounting member having a first bevel face, a wheel holder having a second bevel face and a wheel. When the wheel holder is in a first position, the second bevel face of the wheel holder is seated with the first bevel face of the mounting plate, and the wheel holder is prohibited from downward movement. When the wheel holder is in the second position, the second bevel face of the wheel holder is slid along and forced against the first bevel face of the mounting member so that the wheel holder is moved downwards relative to the mounting member to force the wheel into engagement with the floor for enabling the machine tool to be moved to a desired location by rotation of the wheel.

Abstract: A receiver extends from the top of a retractable wheel assembly to receive the lower end of a jackstand or the like. Upon exerting pressure on a foot operated plate, a wheel is extended from the bottom of a plate and locked in place with a catch to permit transport of a trailer or the like attached to the jackstand. Upon release of the catch, the wheel will retract to bring the plate into contact with the ground and immobilize the trailer.

Abstract: An intravenous (IV) pole system for supporting medical equipment having a base with legs, a mast engaged to the base, and a lifting mechanism including a gas spring engaged to the base and the mast. Each of the legs includes at least one wheel. The lifting mechanism is constructed to position the legs in an extended configuration and a retracted configuration. The lifting mechanism is further constructed to raise the legs and wheels relative to the base and relative to a surface. The lifting mechanism is configured to position the wheels proximate to the mast in the retracted configuration.

Abstract: Apparatus for transporting products including a body having ground wheels (22, 122) and support structure (30, 130) for one or more crates or other containers holding products to be carried by the apparatus. At least one ground engageable member (40, 140) fixed to said support structure forms an assembly with the support structure that is mounted to the body for relative movement between a retracted position in which the apparatus is freely moveable on a ground surface by means of the ground wheels and a relatively downwardly extended position in which the ground engageable member engages an underlying ground surface at a predetermined location to stabilize the apparatus against movement from that location on the ground wheels.

Abstract: A receiver extends from the top of a retractable wheel assembly to receive the lower end of a jackstand or the like. Upon exerting pressure on a foot operated plate, a wheel is extended from the bottom of a plate and locked in place with a catch to permit transport of a trailer or the like attached to the jackstand. Upon release of the catch, the wheel will retract to bring the plate into contact with the ground and immobilize the trailer.

Abstract: A device for stabilizing and supporting wheelbarrows which maintains the balance and increases the resistance of a system (wheelbarrow) including an angled monolithic body which is made up of two arms which define a triangular shape, whose ends have holes for the insertion of affixing means to affix to the leg of a wheelbarrow. In one embodiment, one of said arms makes up an arched area along most of its length which generates two points of support, a first point of support defined on the end of the joint affixing with the leg of the wheelbarrow and a second point of support defined in the area near where the two arms meet to define that angle. The arched area of the arm, positioned substantially horizontally and defining the two points of support, absorbs deformation, and also absorbs the load applied to the element, bringing more stability to the wheelbarrow on flat or irregular surfaces, providing a stabilizer comprised by each leg.

Abstract: A patient support platform provides a solution for healthcare facilities and nursing staff to address patient and staff safety, patient mobility, patient comfort, the availability of patient information, monitoring drugs and therapy provided, and controlling health care expenses. The patient support platform preferably includes a transmission system that allows the patient and/or medical staff member to choose a stop, walk or roll mode. The transmission system preferably includes a drag wheel for applying a braking force in response to a voltage generated by a braking motor. The platform supports a plurality of devices that may be attached or associated with a patient throughout their stay at a healthcare facility. The support platform also preferably includes a mechanism for releasably attaching the support platform to another structure, such as a bed. Embodiments of the present invention include multiple non-medical uses of the platform.

Abstract: A creeper (10) includes a first frame portion (11) and a second frame portion (12). The frame portions (11, 12) are connected to each other only by longitudinally extending rails (13). Each frame portion (11, 12) is generally U-shaped having arms (16) which carry caster assemblies (18) and a base member (17) which interconnects the arms (16). The rails (13) extend between the base members (17) of the frames (11, 12).

Abstract: A sled device for permitting transportation of a person and cargo over a variety of surfaces includes a sled including a bottom wall and a perimeter wall that extends upwardly from the bottom wall to define a receiving space of the sled to receive the person and cargo. The bottom wall is slidable along a soft support surface. A front wheel assembly is rotatably coupled to the sled and is rotatable between a deployed position and a stowed position. The front wheel assembly engages and rolls along a hard support surface when the front wheel assembly is in the deployed position. A plurality of rear wheel assemblies is pivotally coupled to the sled and each is pivotable between a lowered position and a raised position. The rear wheel assemblies engage and roll along the hard support surface when the rear wheel assemblies are in the lowered position.

Abstract: A chassis braking system for braking a chassis includes a braking unit including a braking surface biased toward a road surface on which the chassis runs and having a first state where movement of the braking surface toward the road surface is locked and a second state where the braking surface abuts against the road surface. A control unit releases the lock of the braking unit and shifts the braking unit from the first state to the second state when predetermined conditions are met.

Abstract: A portable table for supporting a table saw. The invention itself consists, essentially, of a pair of horizontal or longitudinal struts that extend above the ground or floor and across the lower ends of the legs of the table. On one end of each of the horizontal struts are mounted a pair of wheels which are slightly above ground when the table is standing in its normal condition. Also provided are a pair of horizontally extending handles which are attached to the table just below the upper surface thereof for the purpose of tilting the table when such action is desired. Thus, the essence of the invention is a pair of wheels which are mounted to one side of the table in a non-touching relation with the ground. When the table is tilted, by lifting up on the handles, the wheels will touch the ground and permit the table to be lifted off the ground and wheeled to a convenient location.

Abstract: A trailer apparatus is for use with a portable bleacher of the type having a lower framework supporting and interconnecting a plurality of generally parallel longitudinally extending bleacher seat assemblies. The framework includes longitudinally spaced laterally extending base members. The trailer apparatus includes a torque tube rotatably attached to a lower part of the bleacher framework and above the base members to extend beneath and generally perpendicular to the seat assemblies. A torque arm is rigidly attached to one end of the torque tube. A first wheel assembly is rotatably coupled to the torque arm on an axis of rotation parallel to the torque tube axis. A generally vertically or horizontally extendable lift jack is coupled at a lower end to the torque arm and operatively coupled at its upper end to the framework.

Abstract: A machine for providing hot-in-place recycling and repaving of an existing asphalt-based pavement, in which the pavement is first heated. Using this machine the heated pavement surface is then scarified, and new aggregate is dispensed onto it, to form a recycled, preheated asphalt and aggregate mixture. This mixture is again heated and scarified to premix it, and a new pavement surface is now milled to grade and width by applying this mixture using a plurality of extension mills having a main frame. The pavement surface is then remilled to grade using a main mill. Rejuvenator fluid is introduced in the main mill of the machine, and mixed with the recycled asphalt and aggregate mxiture. Rejuvenator fluid is also introduced into a pug mill of the machine and again mixed with the recycled asphalt and aggregate mixture. The rejuvenator-enriched, recycled asphalt and aggregate windrow thus formed is then laid to grade using one or more screeds.

Abstract: A support frame having a plurality of wheeled assemblies, mounted at corners of the support frame, each wheeled assembly including a substantially identical mechanism for extending and retracting a respective wheel assembly. Each mechanism has a locking member which includes a locking portion for selectively engaging locking apertures on a rotatable member which rotatably supports the wheel assembly. Each mechanism also includes a grip, spaced from the locking member, to facilitate rotation of the rotatable member and the respective wheel assembly between extended and retracted positions when the locking portion is disengaged from the locking apertures. When each wheel assembly is in an extended position, the support frame is able to roll on a suitable surface. Each wheel assembly is also capable of being retained in a retracted position housed within a recess in its associated housing.

Abstract: Universal wheel unit for mounting one or more wheels on the ski of a snowmobile. The wheel unit is a separate assembly that is detachably mountable on the ski or is an integral component of the ski. When retrofitting skis, the wheel unit is mountable on the kingping, on the side wall, or on the saddle. Wheels are readily deployable or retractable as ground surface conditions require, and allow the snowmobile to be driven over gravel, dirt, and hardtop surfaces, while maintaining steerability with the handlebars.

Abstract: Universal wheel unit for mounting one or more wheels on the ski of a snowmobile. The wheel unit is a separate assembly that is detachably mountable on the ski or is an integral component of the ski. When retrofitting skis, the wheel unit is mountable on the kingping, on the side wall, or on the saddle. Wheels are readily deployable or retractable as ground surface conditions require, and allow the snowmobile to be driven over gravel, dirt, and hardtop surfaces, while maintaining steerability with the handlebars.

Abstract: The containment cart has a floor, two side walls, and a rear wall between the side walls. Wheels are mounted to the floor, allowing the containment cart to be readily transportable and insertable into a drum cavity of a solvent recovery device. Caster wheels assist an operator in changing direction of the cart. A releasable and sealable door acts as a ramp once lowered. Further, while lowered, the door raises the front wheels to prevent the cart from undesired movement while drums are being placed on or removed from the cart. A channel is disposed along a front face of the side walls and floor of the cart to receive a gasket. The door has a mating protrusion extending outwardly from the door to extend into the channel and sealably engage the gasket while the door operably engages the front face.

Abstract: The invention comprises a door attaching apparatus for positioning and aligning a door for attachment to a doorway. The apparatus has a mobile frame adapted to be moved upon a surface. The mobile frame has a first frame. The first frame is movably mounted to the mobile frame to move upward and downward and forward and rearward relative to the mobile frame with a door mounted thereon. A second frame is pivotably mounted to the mobile frame behind the first frame and is handle operated to move forward and rearward on the mobile frame and to engage the first frame to cause the first frame and door thereon to move forward and rearward with the second frame to align the door in a doorway in one direction for attachment of the door to the doorways. A handle operated cam mechanism is mounted between the first and second frames to cam the first frame and thereby the door upward and downward on the mobile frame align the door in another direction for its attachment to the doorway .

Abstract: The present invention relates a wheel receiving device for utilizing in a baby sleeping bed. The wheel receiving device includes a housing, a locating rotor, a wheel and a latch. The locating rotor is rotatable and mounted inside the housing/the latch is passing a spring and then fixed with a push bottom. There is a pin for securing said locating rotor at a first position that the wheel is capable to move, especially exposed out the housing. The locating rotor is further capable to be shifted from the first position to a second position. In this case, the locating rotor is secured and the wheel is stopped and not capable to move.

Abstract: A carriage for the transport and installation of heavy doors and other construction panels includes a door-holding frame that is pivotally attached to a wheeled chassis. Independent drive mechanisms provide accurate control over the elevation, tilt, and roll of a door panel held by the frame, and effect a precisely controlled, lateral movement of the panel relative to the frame.

Abstract: Wheel unit to be semi-permanently mounted on the ski of a snowmobile. Wheels are readily deployable or retractable as conditions require. The wheel unit allows the snowmobile to be driven over gravel, dirt, and hardtop surfaces, without losing its ability to be steered with the handlebars.

Abstract: Wheel unit to be semi-permanently mounted on the ski of a snowmobile. Wheels are readily deployable or retractable as conditions require. The wheel unit allows the snowmobile to be driven over gravel, dirt, and hardtop surfaces, without losing its ability to be steered with the handlebars.

Abstract: A wheelchair for use in care facilities includes a seat lift mechanism and a chair tilt mechanism both of which are actuated by a single lever. Operation of the lever elevates the rear of the seat and raises the rear of the wheelchair thereby moving the wheelchair occupant toward a standing position and reduces the lifting effort of the attendant in assisting the debilitated patient to move out of the wheelchair.

Abstract: A collapsible handcart includes a main member equipped with a handgrip; a carrier member pivoted to the main member and turned between an extended position for supporting articles and a collapsed position attached to the main member; two wheeled assembles respectively pivoted two the main member at two sides and turned upwards and downwards between a collapsed position and an operative position, the wheeled assembles each comprising a leg with the proximal end pivoted at the main member, a wheeled carriage pivoted to the distal end of the leg, and a wheel pivoted to the wheeled carriage; and two gear sets respectively coupled between the main member and the legs of the wheeled assembles and adapted to drive the wheeled assembles to turn between the operative position and the collapsed position when turning the carrier member between the extended position and the collapsed position.

Abstract: An intravenous (IV) pole system for supporting medical equipment having a base with legs, a mast engaged to the base, and a lifting mechanism including a gas spring engaged to the base and the mast. Each of the legs includes at least one wheel. The lifting mechanism is constructed to position the legs in an extended configuration and a retracted configuration. The lifting mechanism is further constructed to raise the legs and wheels relative to the base and relative to a surface. The lifting mechanism is configured to position the wheels proximate to the mast in the retracted configuration.