279results about "Sledge wheels" patented technology

A lift table includes a base member, an air powered hydraulic powerpack assembly mounted to the base member, a tabletop, a lift assembly capable of actuated the tabletop relative to the base member, a handle extending upward from the base member, and an air supply docking station. The lift assembly includes a hydraulic cylinder assembly actuated by the air powered hydraulic powerpack. The handle includes a top portion of the handle elevated above the air-powered hydraulic powerpack. The air supply docking station is fixed to the top portion of the handle and is in fluid communication with the air-powered hydraulic powerpack assembly.

A portable folding wagon includes wheel components, four damping elements, a foldable load-bearing bottom frame, a foldable main frame, a telescopic handle assembly and a cloth basket. The wheel components include two fixed wheels arranged at a rear part of the portable folding wagon and two universal wheels arranged at a front part of the portable folding wagon. The foldable load-bearing bottom frame includes two lower rear connectors, two lower front connectors and an X-shaped folding load-bearing frame. The fixed wheels are arranged below the lower rear connectors through the damping elements, and the universal wheels are arranged below the lower front connectors through the damping elements. The damping elements include one or more of damping springs, cylinder dampers or variable damping force shock absorbers.

A stabilizer structure for a wheelbarrow is disclosed. The wheelbarrow stabilizer provides better stability to the wheelbarrow as well as includes a more comfortable grip that allows for easier lifting, tilting, and dumping of the wheelbarrow. The wheelbarrow stabilizer further includes geometry and manufacturing to improve its strength and durability.

A portable folding pulling cart includes a pulling cart frame. The pulling cart frame includes a folding frame and a wheel mechanism configured to be mounted on the folding frame. The folding frame includes two first scissor mechanisms arranged at intervals in a left-and-right direction and two second scissor mechanisms arranged at intervals in a front-and-rear direction. Each of the two first scissor mechanisms includes at least two first scissor units, and each of the two second scissor mechanisms includes at least one second scissor unit. An upper part of one of connecting rods of adjacent two first scissor units is bent. The upper ends of the adjacent two first scissor units are respectively pivotally connected to two upper pivoting points, and the lower ends of the adjacent two first scissor units of the at least two first scissor units are respectively pivotally connected to two lower pivoting points.

The present collapsible folding wagon includes a frame that folds. The frame includes right side oblique support members that pivot relative to each other at a right side pivot location and left side oblique support members that pivot relative to each other at a left side pivot location. The right side and left side pivot locations are equidistance from a front end of the frame and a rear end of the frame. A U-shaped handle is pivotally engaged at the right and left side locations and may swing over the wagon from a pull or push position at the front of the wagon to a pull or push position at the rear of the wagon.

A storage and transportation apparatus is disclosed. The apparatus may include a base frame and a base plate attached to the base frame. The base plate may be attached to the base frame such that the base plate may be disposed parallel to a base frame plane. The apparatus may further include an inverted U-shaped handrail attached to the base plate. The handrail may include a handrail side portion and a handrail top portion. The apparatus may further include a support member attached to the base frame and the handrail top portion. The support member may be disposed at a predefined angle relative to the base frame plane. The apparatus may further include a deformable strap removably attached to the base frame and the handrail top portion. The apparatus may additionally include a J-bar that may be removably attached to the handrail side portion via a fastener.

A utility cart device is disclosed which is capable of transporting heavy objects. The utility cart comprises a base component that is configured in a rectangular shape with a set of handle bars and a pneumatic tire positioned at each corner. Chucks are provided to keep the device in place. The base component has an open central area sized to retain a large ice chest / cooler and two side, shelf-like areas for retaining additional items. Users load the device and push it with the handle bars, or pull it via securing a cable into the two, spaced-apart D-rings on the front of the device, or tow it via a riding mower, golf cart, ATV or other UTV's with a hitch.

The invention provides a carrier loader and a folding mechanism and a wheel mechanism thereof, a frame comprises rear feet and a handlebar, the folding mechanism comprises a handlebar fixing rod, the handlebar fixing rod is pivoted to the rear feet, the handlebar is connected with the handlebar fixing rod to enable the handlebar and the handlebar fixing rod to synchronously pivot, and the folding mechanism comprises a folding mechanism and a wheel mechanism, the handlebar fixing rod is provided with a fixing rod locking piece, the fixing rod locking piece can move between a locking position and an unlocking position, and when the fixing rod locking piece moves to the locking position, the fixing rod locking piece is locked on the rear foot so as to prevent the handlebar fixing rod from pivoting relative to the rear foot; when the fixing rod locking piece moves to the unlocking position, the fixing rod locking piece is unlocked relative to the rear foot, so that the handlebar fixing rod is allowed to pivot relative to the rear foot. The carrier loader is convenient to fold and small in size after being folded.

The utility model provides a carrier loader and a folding mechanism and a wheel mechanism thereof, a frame comprises rear feet and a handlebar, the folding mechanism comprises a handlebar fixing rod, the handlebar fixing rod is pivoted to the rear feet, the handlebar is connected with the handlebar fixing rod to enable the handlebar and the handlebar fixing rod to synchronously pivot, and the folding mechanism comprises a folding mechanism and a wheel mechanism, the handlebar fixing rod is provided with a fixing rod locking piece, the fixing rod locking piece can move between a locking position and an unlocking position, and when the fixing rod locking piece moves to the locking position, the fixing rod locking piece is locked on the rear foot so as to prevent the handlebar fixing rod from pivoting relative to the rear foot; when the fixing rod locking piece moves to the unlocking position, the fixing rod locking piece is unlocked relative to the rear foot, so that the handlebar fixing rod is allowed to pivot relative to the rear foot. The carrier loader is convenient to fold and small in size after being folded.

A cart for transporting objects includes a frame longitudinally extending between a first end and a second end and a plurality of wheel assemblies and a guide wheel coupled to the frame. The plurality of wheel assemblies and the guide wheel are configured to facilitate movement of the cart. The guide wheel is moveable into and between a first guide wheel position and a second guide wheel position, and when the guide wheel is in the first guide wheel position, the guide wheel resists movement of the cart in a direction other than in a longitudinal direction.

A hand trailer with multi-piston structure includes a fence assembly, a bottom fork assembly, wheel fixing and disassembling assemblies and a pull rod assembly. The fence assembly is a regular four-sided connection structure, and uses first piston structures and second piston structures as connection nodes, and the first piston structures and the second piston structures are arranged in parallel; a top of each first piston structure is riveted with a bottom of a corresponding second piston structure by a first inclined rod, a bottom of each first piston structure is riveted with a top of a corresponding second piston structure by a second inclined rod. Technical points of the hand trailer with multi-piston structure are that a new folding structure, a new bottom support structure and a new wheel installation structure are adopted, so that a load-bearing capacity and a folding and packing volume of the product are obviously improved.

This invention relates to a foldable electric golf bag cart. When folded, the connecting rods on both sides of the cart frame and the wheels connected to these connecting rods are folded to the sides of the frame. This invention allows the two rear wheels and the connecting rods linking the frame and the rear wheels to be folded to the sides of the frame, effectively reducing the overall size of the folded electric golf bag cart, minimizing its space requirements, and making it more convenient to move and store.

A pallet lift includes a base and a deck extending forward of the base. Load wheels support the deck. A platform above the deck is pivotable relative to the base. The platform has an upper support surface for supporting objects thereon. The platform may be pivoted as the pallet lift travels on an inclined surface, such as a truck ramp, in order to keep the platform relatively level relative to gravity to increase stability.

A wheeled childcare device includes: a body frame; a caster mechanism including a caster holding member and a caster pivot member and configured to allow a front wheel or a rear wheel to swivel; a caster lock member configured to assume a lock position and an unlock position; a first biasing member configured to bias the caster lock member toward the lock position; and a moving member provided in the caster holding member and movable between a first position and a second position. The first position is a position in which the caster lock member is moved to the lock position, and the second position is a position in which the caster lock member is moved to the unlock position.

A wheelbarrow is disclosed. The wheelbarrow includes an improved wheel guard, leg arrangement, and stabilizer that require less work to transport, lift, and dump the wheelbarrow. Also disclosed are an improved axle structure and means of assembly for a wheelbarrow.

A stroller handlebar actuator is provided. The handlebar actuator is provided at a handlebar of the stroller and includes cables that are attached to the handlebar actuator at one end and rear wheels of the stroller at another end. The handlebar actuator includes a protruding tab that a user to able to press using one or both thumbs without needing to remove their hands from the outer ends of the handlebar. By pressing the tab, a rotational force is exerted on the handlebar actuator, causing the handlebar actuator to rotate relative to the handlebar. This rotation causes the cables to pull inwards towards the handlebar actuator, thereby unlocking mechanisms provided at the rear wheels. The unlocking of the mechanisms causes the rear wheels to be able to freely rotate about a vertical axis. When the force is removed from the handlebar actuator, the handlebar actuator rotates back to its natural resting position and the cables return back to their original positions, locking the rear wheels.

Systems and methods are disclosed for containers having lever-based actuation of brakes and locks. In one embodiment, an example container may include a first container wall, a second container wall, a third container wall, a fourth container wall, a first wheel, a second wheel, and a wheel lock assembly configured to prevent swiveling of the first wheel. The wheel lock assembly may include a first wheel lock, a first lever configured to actuate the first wheel lock, and a first cable that is coupled to the first wheel lock and the first lever, where the first lever is disposed on the third container wall, and a wheel brake assembly configured to prevent rotation of the second wheel, the wheel brake assembly including a first wheel brake, a second lever configured to actuate the first wheel brake, and a second cable coupled to the first wheel brake and the second lever.

A castored base for a medical cart, the base comprising: a central hub body with a plurality of legs extending radially outwardly therefrom wherein each leg comprises a socket or sleeve at an outer end of said each leg for connecting a castor to the socket or sleeve, the central hub body comprising an outer side wall extending between an upper and lower portions of the hub, the outer wall of the hub body comprising first and second leg attachment portions that are positioned at diametrically opposed locations on the outer wall of the hub body and wherein a first pair of legs is attached at the first leg attachment portion and a second pair of legs is attached at the second leg attachment portion; wherein at each of the first and second leg attachment portions, a first leg from a respective pair of legs is attached at a first attachment location on the hub body and a second leg from said respective pair is attached at a second attachment location on the hub body and wherein in-use height of the first attachment location is greater than in-use height of the second attachment location.

A stroller frame (100) includes a front leg (10), a bottom tube (30), a rear leg (20), an upper support member (40) and a lower support member (50). The front leg (10), the bottom tube (30), the lower support member (50) and the upper support member (40) are pivotally connected to each other to form a four-bar linkage structure. The rear leg (20) is connected to an end of the bottom tube (30). A lock mechanism (60) is disposed at a pivot joint between the upper support member (40) and the lower support member (50). The lock mechanism (60) is able to lock the upper support member (40) and the lower support member (50) at an expanded angle, such that the front leg (10) is able to be expanded with respect to the bottom tube (30). The lock mechanism (60) is unlocked to release the upper support member (40) and the lower support member (50), such that the front leg (10) is able to be folded with respect to the bottom tube (30).

A system is disclosed including a transporter, having a top load bearing surface or bed, and four wheeled articulating legs, that may be operated by a single user / operator, and can be lowered or raised by changing the lengths or angles of its legs while maintaining the transporter bed level. The legs that may be folded up to be loaded onto or unloaded from a truck bed, or a stationary platform, by a single operator while carrying heavy load. The loading and unloading process is assisted by various safety brakes that prevent accidental slippage of the transporter off the truck bed. The legs' angles are changed using a dual-threaded lead screw. The transporter further includes two edge detectors on the front-end and the rear-end to detect the edge of the truck bed automatically, and prepare the folding of the transporter legs for loading onto the truck bed.

The wheel set brake mechanism comprises a driving piece and a brake assembly, the brake assembly comprises a driving pin, a traction piece, a pushing piece, a pushing piece and a locking piece, the driving pin is connected with one end of the traction piece, the other end of the traction piece is connected with the pushing piece, and the pushing piece is movably arranged in a wheel seat of the baby carriage; the pushing part is movably arranged in the pushing part and connected with the locking part, the driving part drives the driving pin of the brake assembly to move, the pushing part is driven to move through the traction part, and then the pushing part drives the locking part to move so as to lock or unlock the wheels. The one-step double-brake function can be achieved, the structure is simple, and operation is convenient.

A load moving apparatus 10 has a ground engaging device 14 (such as a wheel) for rotation about a substantially horizontal axis and driveable using a drive member, for example an electric motor (16, F

A robotic surgery cart has a pair of rear wheel assemblies and a pair of front wheel assemblies. A brake assembly for the robotic surgery cart includes a gearbox interposed between and connected to the pair of rear wheel assemblies by rotatable shafts. Elongate actuators extend between and interconnect the rotatable shafts and brake mechanisms for the front wheel assemblies. A pedal lever is rotatably coupled to the gearbox and can rotate clockwise by pressing one portion of the pedal lever and can rotate counterclockwise by pressing another portion of the pedal lever. Rotation of the pedal lever causes the gearbox to rotate the rotatable shafts to substantially lock the pair of rear wheel assemblies, and substantially simultaneously causes a translation of the elongate actuators to actuate the brake mechanisms of the front wheel assemblies, such that the wheels of the front and rear wheel assemblies brake substantially simultaneously.

The present invention discloses a wheel brake mechanism and a baby stroller, comprising a driving member and a brake assembly. The brake assembly comprises a driving pin, a traction member, a pushing member, a thrust member, and a locking member. The driving pin is connected to one end of the traction member, the other end of the traction member is connected to the pushing member, and the pushing member is movably disposed within the wheel seat of the baby stroller; the thrust member is movably disposed within the pushing member, and the thrust member is connected to the locking member. The driving member drives the driving pin of the brake assembly to move, thereby driving the pushing member to move via the traction member, and then the pushing member drives the locking member to move, thereby locking or releasing the wheel. The present invention can achieve a dual-brake function with one step, has a simple structure, and is easy to operate.

The invention relates to a child-rearing device with wheels, which has a simple structure. The child-rearing device with the wheels comprises a vehicle body frame; a steered wheel mechanism having a steered wheel holding member and a steered wheel rotating member, the steered wheel mechanism enabling directional rotation of the front wheel or the rear wheel; the steering wheel locking component is arranged on the steering wheel mechanism and is provided with a locking position and an unlocking position; a displacement member connected to the steering wheel lock member via a connection member and displaced between a first position corresponding to the lock position of the steering wheel lock member and a second position corresponding to the lock release position of the steering wheel lock member along with switching of the push rod; and the operating mechanism is arranged on the push rod and can operate the displacement component from the first position to the second position.

To provide a wheeled carrying apparatus having a wheel assembly which can be controllably locked and unlocked in a horizontal orientation and can provide better maneuverability.SOLUTION: Provided is a baby carriage apparatus which is a release mechanism, including: a link actuator movable by rotation of a handle frame to engage or disengage a wheel mounting part latch with or from a wheel mounting part; and a cable assembly coupling an operating part provided on the handle frame to the wheel mounting part latch, and in which the operation part is operable to disengage the wheel mounting part latch from the wheel mounting part when the handle frame is in a first position.SELECTED DRAWING: Figure 5