457results about "Sledge wheels" patented technology

A collapsible trolley with a guardrail includes a rack assembly, a pull handle assembly provided in front of the rack assembly, a push handle assembly fixed behind the rack assembly, a caster assembly provided at a bottom of the rack assembly, and a canopy assembly provided above the rack assembly. The rack assembly includes a bottom rack, a front frame and a rear frame respectively provided at two ends of bottom rack, and side frames respectively provided at left and right sides of the bottom rack. The front frame is connected to the pull handle assembly, and the rear frame is connected to the push handle assembly. The collapsible trolley with the guardrail avoids the problems that the prior trolleys are prone to falling under load and have small holding strength. The collapsible trolley with the guardrail is simple and labor-saving to fold up, and provides a large usable volume.

An adjustable multi-purpose dolly for transferring furniture or objects of a plurality of sizes. The adjustable multi-purpose dolly may include a center frame assembly, a first end extension assembly and a second end assembly. The center frame assembly may form a bottom portion of the adjustable multi-purpose dolly. The first end extension assembly may form a first end portion of the adjustable multi-purpose dolly. The first end extension assembly may be slidably mounted to the center frame assembly. The second end extension assembly may form a second end portion of the adjustable multi-purpose dolly. The second end extension assembly may be slidably mounted to the center frame assembly.

Embodiments of the present invention disclose a portable folding wagon, comprising 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 comprise 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 comprise 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 14 through the damping elements; the damping elements comprise one or more of damping springs, cylinder dampers or variable damping force shock absorbers; the portable folding wagon provided by the present invention has excellent shock absorption performance, and is very suitable for conditions where there exists rugged roads and large vibration in the camp sites; and an overall volume of the portable folding wagon in the present invention is larger than the overall volume of a conventional cart, while a size of the portable folding wagon after being folded is smaller.

The present invention discloses a simple folding cart, including a cart frame body and a cloth cover sleeved on the cart frame body. The cart frame body includes a side frame and a folding frame, and the folding frame includes an upper folding rod and a lower folding rod. The upper folding rod is hinged to first and second rotating bodies through first and second upper connecting shafts, and the lower folding rod is hinged to the first and second rotating bodies through first and second lower connecting shafts. The underframe can be limited on a lower side of the first rotating body through the upper folding rod and can be limited on an upper side of the second rotating body through the lower folding rod so as to be maintained in an unfolded state and support the two side frames to be maintained in an unfolded state.

A novel trolley comprises a foldable frame, a handle mounted behind the frame, and four wheel assemblies mounted at four corners of the frame. The frame comprises a frame body consisting of a front wall assembly, a rear wall assembly and two side wall assemblies, as well as a bottom frame assembly located at the bottom of the frame body. Each side wall assembly comprises two connecting rods. Each connecting rod comprises two long rods, two medium rods and two short rods, wherein lower ends of the two long rods are rotatably connected to form a V-shape that is open upwards, and upper ends of the two long rods are rotatably connected to an upper end of the front wall assembly and an upper end of the rear wall assembly respectively.

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 folding cart includes a front frame mechanism, a rear frame mechanism, a bottom frame mechanism, a first folding mechanism, and a second folding mechanism. The front frame mechanism and the rear frame mechanism are vertically and oppositely arranged, a first horizontal tube and a second horizontal tube are respectively hinged to two ends of the first folding mechanism, the first horizontal tube is hinged to a first side of the front frame mechanism, and the second horizontal tube is hinged to a first side of the rear frame mechanism; a third horizontal tube and a fourth horizontal tube are respectively hinged to two ends of the second folding mechanism, the third horizontal tube is hinged to a second side of the front frame mechanism, and the fourth horizontal tube is hinged to a second side of the rear frame mechanism.

A flatbed truck with a foldable caster unit, comprising a load-bearing plate, a load-bearing support frame and a caster unit, and further comprising a caster unit rotation driving device. The caster unit rotation driving device comprises an operating handle, a connecting rod, a front linkage mechanism and a rear linkage mechanism, wherein the operating handle is pivotally connected with the load-bearing plate and is rotatable around a pivot axis of the operating handle. The operating handle is capable of linking with the front linkage mechanism and the rear linkage mechanism via the connecting rod to respectively drive the front caster unit and the rear caster unit to be rotated from the folded storage position to the unfolded rolling position, when the operating handle is rotated from a first position to a second position.

A rolling storage cart with drawers has at least one cart member and a plurality of drawers. The cart member has two side frames, two top edge bars, two bottom edge bars, and a plurality of wheels; each side frame has a main frame with a plurality of drawer tracks. Two ends of each edge bar respectively has an engaging column, and a top end and bottom end of each main frame respectively jackets onto one of the engaging columns of each edge bar. Each wheel has a screw lock for securing onto one of the bottom edge bars. Each drawer is configured to slidably engage two grooves of two opposite drawer tracks.

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.

The present disclosure provides a handcart that facilitates alignment of a load even when a heavy load is placed. To this end, the handcart includes: a vehicle main body including a wheel on a lower surface and a handle erected on a rear portion; and a platform disposed on an upper surface of the vehicle main body to be movable in a lateral direction.

The foldable cart has a pulling rod assembly, a foldable cart frame, a plurality of wheels and a storage bag. The foldable cart frame has a front frame, a rear frame, two foldable fence assemblies and a foldable bottom supporting assembly. A front connecting bar is connected to a bottom of the front frame, and a bottom end of the pulling rod assembly is rotatably connected to a middle portion of the front connecting bar. The number of the wheels is four, two wheels are a pair of front universal wheels and two wheels are a pair of rear directional wheels, the two front universal wheels detachably connect to the front connecting bar; the rear frame has a pair of mounting blocks disposed on a bottom of the rear frame, and each rear directional wheel detachably connects to a corresponding mounting block.

Collapsible carts are disclosed. The collapsible carts include a frame, a load bearing member and a wheel assembly. The wheel assembly includes a housing with a horizontal pin channel and an elongated diagonal channel. The horizontal pin channel may be adapted to guide a pin to transpose horizontally along the horizontal pin channel while rotatably coupling a leg member of the frame to a horizontal section of the load bearing member. The elongated diagonal channel may be adapted to guide the horizontal section of the load bearing member to pivot around a pin axis and move from a horizontal plane in the open condition to a generally vertical plane in the closed condition. The movement of the horizontal section along the elongated diagonal channel actuates the housing to rotate around the generally vertical axis.

Present embodiments relate to a container, such as an insulated container, or cooler. More specifically, but without limitation, the present embodiments relate to a container with a telescoping handle, a bailing handle, and a roller wheel assembly for multiple transport options.

A service cart for an electric vehicle (EV) battery, comprising a lift assembly supporting a platform. The platform is configured to support the EV battery. The service cart comprises an electrically-driven hydraulic pump that is configured to extend and retract the lift assembly in order to raise and lower the platform. The service cart may comprise one or more electric wheels which may be driven by rotational force from a first electric motor, or controlled with respect to an adjustable directionality by a second electric motor.

Provided is a foldable stroller, having a foldable chassis movable between an unfolded condition and a folded condition, a foldable bassinet or seat supported by the foldable chassis and movable between an unfolded condition and a folded condition, and which has a support surface on which a passenger may recline or sit when the foldable bassinet or seat is in its unfolded condition, a first locking mechanism which when engaged prevents the foldable bassinet or seat from moving from its unfolded condition to its folded condition and which when released permits the foldable bassinet or seat to move from its unfolded condition to its folded condition, wherein movement of the foldable chassis from its unfolded condition towards its folded condition releases the first locking mechanism, and a second locking mechanism which when engaged prevents the foldable chassis from moving from its unfolded condition to its folded condition and which when released permits the foldable chassis to move from its unfolded condition to its folded condition.

A collapsible trolley includes a handle unit, an adjustment unit, a bearer, a strut and a strut-positioning unit. The handle unit includes two telescopic elements. The adjustment unit is operable to adjust the length of the telescopic elements. The bearer is connected to the handle unit. The strut is pivotally connected to the handle unit. The strut-positioning unit is operable to keep the strut in position relative to the handle unit. A user can disable the strut-positioning unit to release the strut from the handle unit without having to use any hand or bend.

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 collapsible support structure includes at least a horizontal support structure, a vertical support structure, and an axle assembly. In use, the collapsible support structure may be folded / unfolded between a deployed configuration, in which the collapsible support structure may be capable of rolling along a support surface to transport items, and a stowed / storage position, in which the collapsible support structure is collapsed in a compact geometry for storage. The axle assembly enables removal of the wheels from the axle for storage of the collapsible support structure. The axle may be repositionable between a deployed position and a storage position. The axle may be equipped with a retainer unit that retains the axle in the deployed position.

A collapsible wagon can include a base frame; a pair of front wheels coupled to the base frame; a pair of rear wheels coupled to the base frame via a suspension system; a handle coupled to the base frame; a lever hingedly connected to the base frame adjacent to a first end of the wagon; a holder frame hingedly connected to the lever adjacent to a second end of the wagon; a seat back hingedly connected to the lever such that when the seat back is opened, the seat back and the lever rotate into a locked relationship; a release mechanism positioned to enable a user to release the seat back from the locked relationship with the lever; and wherein the lever includes a lever foot pedal positioned and arranged for a user to step on the lever foot pedal to hingedly open the lever relative to the base frame.

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.

A novel outdoor camping cart, comprising a cart body, the cart body comprises a body frame and a cloth bag mounted on the body frame, and the body frame comprises frame flat tubes, which are connected by flat tube connectors. The support tube is pressed into the middle connector through the riveting shaft, so that the bottom support structure is easy to assemble and disassemble. The two side walls of the bump damping connector in contact with the wheel assembly are provided with bump structures, so that the bump damping connector has a damping effect when rotating on the wheel assembly, the bump damping connector is integrally formed with plastic, and the structure is simple. The bump damping connector is connected to the wheel assembly, and it is actively steered through the left and right pull rods during steering. Especially on soft ground and grass, the steering is more labor-saving.

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 cart may include: a driving wheel; a motor configured to rotate the driving wheel; a motor drive circuit configured to control electric power supply to the motor; a motor control device configured to control the motor via the motor drive circuit; a switching element arranged on an electric power supply path to the motor drive circuit; a switch circuit arranged separately from the motor control device and configured to switch the switching element between a conduction state and a non-conduction state; and an operation member arranged on the cart and configured to be operated by a user. The cart may operate in a manual mode in which the motor is driven when the operation member is on and the motor is stopped when the operation member is off, and in an automatic mode in which the motor is driven regardless of whether the operation member is on or off.

The invention discloses a luggage type cart, and relates to the field of luggage, and the technical scheme of the invention is that the luggage type cart comprises a luggage body, and the luggage body is provided with a wheel leg assembly, a seat assembly and a handle assembly; the luggage body is downwards provided with the wheel leg assembly, and the wheel leg assembly is used for moving the luggage body; the seat assembly is arranged on the front side of the upper part of the luggage body and is used for providing a folding seat, and the handle assembly is arranged on the rear side of the luggage body and is used for pushing the luggage body to move by hands. The suitcase and the seat are ingeniously combined, the function of the seat can be provided while articles are carried through folding, a child can be easily carried while luggage is carried, and the suitcase and the cart are carried at the same time, so that the suitcase is more portable when people go out.

A wagon having a wagon frame, a push bar and a handle is provided. The wagon frame has a first end assembly and an opposing second end assembly. First and second rear wheels are rotatably connected to the wagon frame adjacent the second end assembly, and first and second front wheels are rotatably and pivotally connected to the wagon frame adjacent the first end assembly. The handle is pivotally connected to the first end assembly, and the push bar is pivotally connected to the second end assembly. The push bar is lockably positionable in a plurality of use positions and a storage position with a ratchet mechanism.

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.