2437 results about "Utility trolley" patented technology

A two-tier cart includes a first column, a second column, a third column, a fourth column, a first bottom support mechanism, a second bottom support mechanism, and a plurality of folding mechanisms. The first column, the second column, the third column and the fourth column are rectangularly arranged at intervals, and lower ends thereof are all connected to the first bottom support mechanism, one folding mechanism is connected between two adjacent columns, and the folding mechanisms are capable of being folded and contracted. The first column, the second column, the third column and the fourth column are all connected to the second bottom support mechanism, the second bottom support mechanism is located above the first bottom support mechanism, and the first bottom support mechanism and the second bottom support mechanism are both capable of being folded and contracted upward.

The disclosure relates to the technical field of trolleys, and in particular to a trolley frame, including four wheel carriers provided with roller wheels at lower ends and connected by a bottom folding stand. A side folding stand includes a support bar and at least two first X-shaped linkage assemblies. The support bar is arranged between the two first X-shaped linkage assemblies, and a lower end of the support bar is hinged to the bottom folding stand. A cloth bag can be well supported according to this solution, so as to reduce a risk of the cloth bag being damaged or torn in case of load bearing.

Autonomous mobile robots for transporting carts are described. An example robotic cart transport system includes a cart for transport and a robotic transport. The robotic transport includes a transport cab and a load handler. The transport cab includes a drive system and a sensor array positioned over the transport cab. The load handler includes a load base supported by a directable caster wheel, a lift table positioned over the load base, a lift abutment anchor, and a lift drive. The robotic transport can autonomously position the load handler under a cart, and the lift drive can raise the lift table up and off of the top surface of the load base, to a lifted position seated against the lift abutment anchor. The lift table will contact and lift the cart in this motion, and the cart can be transported to a new location by the robotic transport.

A vertical-bar connection assembly for a collapsible wagon and a collapsible wagon is provided. The vertical-bar connection assembly has an extended state and a folded state. The vertical-bar connection assembly comprises at least one vertical-bar connection member comprising a first connecting bar and a second connecting bar. Each of the first connecting bar and the second connecting bar has a proximal end and a distal end. The proximal ends of the first connecting bar and the second connecting bar are hinged with each other. The distal ends of the first connecting bar and the second connecting bar are respectively adapted to be hinged with the adjacent vertical bars of the collapsible wagon, and are rotatable about their respective proximal ends to move away from or close to each other, so as to allow the vertical-bar connection assembly to be in the extended state or in the folded state.

Disclosed herein is a component storage device for workpieces which are mounted in stacking columns on or at pawls one above the other or next to one another characterized in that the stacking columns are arranged on a movable trolley. Also disclosed is a system for presenting workpieces with the component storage device characterized in that a coordinate system is assigned to the carriage. Further disclosed is a stacking column for storing workpieces on or at pawls one above the other or next to one another, the pawls being provided in or at a frame characterized in that the frame comprises at least two parts which are connected to one another in an articulated manner.

The present invention discloses a foldable trolley with convenient folding structure, comprising an tipper folding frame, a lower folding frame and a supporting rod assembly. Sliding ends of both the front and rear sliding upright rods slide closely or backwardly as the lower folding frame is folded or expanded, thus to form a triangular support arm structure, thereby strengthening the stability of overall structure. Besides, a folding lock-release mechanism is provided, when the foldable frame is expanded, the front and rear locking assemblies thereof respectively limit the front and rear sliding upright rods to slide; when the foldable frame is folded, the front and rear locking assemblies release limitation of the front and rear sliding upright rods respectively through the unlocking assembly. The foldable frame can be folded by simply lifting the upper connecting rod up, thus one key locking or unlocking is achieved, and the operation is convenient.

Compressible carts and methods for using the same are provided. The compressible carts include a rigid frame having a front wall, a rear wall, a right sidewall, a left sidewall, and a bottom wall. The right sidewall comprising a first right panel rotatably coupled to a second right panel. The compressible carts may also include a first lock assembly integrated with the first right panel and the second right panel. The first lock assembly having a first condition for locking the first right panel to the second right panel, and a second condition for unlocking the first right panel from the second right panel.

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 mobile medical imaging apparatus and a moving trolley thereof are disclosed. The mobile medical imaging apparatus has an imaging device mounted on the moving trolley. The moving trolley includes a trolley body, a force detection unit and a control unit. The trolley body includes a power-assisted travelling mechanism. The force detection unit is arranged on the trolley body and configured to detect force information on a driving force applied to the trolley body by an operator. The force information on the driving force includes at least a direction of the driving force. The control unit is connected to the force detection unit and configured to acquire the force information, and control, based on the force information, the power-assisted travelling mechanism to move relative to ground.

A folding cart includes a frame body and a wheel assembly located at a lower part of the frame body. A pull rod assembly is arranged on the frame body in a matched manner. The frame body includes a bottom frame assembly and a side frame assembly which can be folded or unfolded. The side frame assembly includes a plurality of side rail units and a plurality of leg tube assemblies for connecting two adjacent side rail units. Each leg tube assembly includes a leg tube body, an upper leg tube seat located at an upper part of the leg tube body, and a lower leg tube seat located at a lower part of the leg tube body. The wheel assembly includes a plurality of wheel units configured to be detachably and fixedly installed to the lower leg tube seats by first locking and fixing mechanisms.

The invention relates to a method and a construction and / or a materials-handling machine for guiding and moving a working head, in particular a 3D print head, wherein at least three revolving tower cranes are attached to each other with their booms, wherein according to one aspect of the invention a guide beam carrying the working head is attached to at least two trolleys of two revolving tower cranes, and the working head is adjusted and moved in its working position by moving the trolleys along two booms of two revolving tower cranes.

A frame includes a central connector, the central connector is oppositely connected to bottom frame transverse pipes in the direction of side frame bodies, one end of each bottom frame transverse pipe is rotatably connected to the central connector, and the other end is rotatably connected to a side frame body; swing pipe connectors, the swing pipe connectors are arranged in the direction in which the central connector faces first folding assemblies; first swing pipes, one end of each first swing pipe is rotatably connected to the central connector, and the other end-of the first is rotatably connected to the swing pipe connector; and second swing pipes arranged by an angle, one end of each second swing pipe is rotatably connected to the swing pipe connector, and the other end of the second swing pipe is rotatably connected to a side vertical pipe.

A luggage caster for maintenance and replacement includes a wheel frame, a vertical shaft, and trolley wheels in a clearance fit with the wheel frame. The vertical shaft is configured to rotate axially within a vertical shaft hole of the wheel frame. a bottom end of the vertical shaft defines a riveting hole for forming a riveting flange. A top end of the vertical shaft is provided with a limiting plate that cooperates with the riveting flange to achieve an axial limitation of the vertical shaft in the vertical shaft hole. The top end of the vertical shaft is further provided with an installation head that protrudes from the limiting plate. The installation head is configured to insert into a shaft hole of a luggage bottom support. The riveting hole of the vertical shaft extends axially along the vertical shaft to define an anti-rotation tool hole.

The present invention provides a folding trolley, which includes a bottom frame folding and unfolding assembly, a front wheel assembly and a rear wheel assembly. Side frame folding and unfolding assemblies are provided on both sides of the bottom frame folding and unfolding assembly, the bottom frame folding and unfolding assembly can be unfolded or folded through the side frame folding and unfolding assembly; one end of the side frame folding and unfolding assembly is connected with the front wheel assembly, the middle part of the side frame folding and unfolding assembly is connected with the bottom frame folding and unfolding assembly, and the other end of the side frame folding and unfolding assembly is connected with the rear wheel assembly. The invention provides a folding trolley, which overcomes the defects of an existing trolley with low load bearing capacity and poor functionality.

This technical disclosure presents a novel and versatile designed to enhance convenience and functionality for shoppers, beachgoers and outdoor enthusiasts transporting heavy items, groceries, tools, equipment etc. The “Remote Controlled Collapsible and Non-Collapsible Utility Wagon & Beach Wagon” integrates advanced features, including a motor, remote control capabilities, rechargeable battery, collapsibility options, and robust utility. The wagon is equipped with a remote control system, allowing users to maneuver it effortlessly across various terrains, such as asphalt, sand, gravel or grass, sidewalks with precision and ease. The remote control offers forward and backward motion, steering control, and variable speed settings, ensuring smooth transportation of beach gear and other essentials. Additionally, the wagon offers collapsibility features for easy storage and transport. Users can fold it down quickly, reducing its size for convenient storage in vehicles or compact spaces. When expanded, it provides a spacious and sturdy cargo area, capable of accommodating groceries, various items, beach chairs, umbrellas, coolers, and more. Constructed from durable materials, this utility beach wagon ensures longevity and reliability even in harsh beach environments. It's rugged wheels, reinforced frame, and corrosion-resistant components make it suitable for extended outdoor use. The Remote Controlled Collapsible and Non-Collapsible Utility Beach Wagon represents a significant advancement in transporting heavy items and equipment due to it being equipped with a motor, rechargeable battery and remote control offering unparalleled convenience and mobility for shoppers, outdoor enthusiasts, making shopping, moving short distances and beach outings more enjoyable and hassle-free.

A spreader tailgate removal, storage, and reinstallation apparatus and method are disclosed for safety and efficiency of changing and storing replacement spreader tailgates. The apparatus includes a prop for holding the spreader tailgate away from a dump body and a cart to receive, hold, or stage the spreader tailgate for removal, storage, or reinstallation respectively.

The invention discloses a cutting device for a trolley frame and a production system of the cutting device, and relates to the technical field of laser cutting equipment.The cutting device comprises a clamping disc, a cutting head, a core rod and a transferring assembly; one end of the core rod is used for being inserted into a pipe fitting to do reciprocating motion, the core rod is coaxially sleeved with the slag scraping ring, the multiple separation nozzles are distributed around the core rod in the circumferential direction at intervals, a cooling channel is formed in the core rod, one end of the cooling channel communicates with the separation nozzles, and the other end of the cooling channel communicates with the separation nozzles. The slag scraping ring comprises a contact part with a soft outer ring, and can axially swing back and forth relative to the core rod; when the core rod extends into the pipe, the contact part swings in the direction close to the separation spray head and drives the opening of the separation spray head to horizontally face the direction deviating from the clamping disc; and when the core rod retreats from the interior of the pipe, the contact part swings in the direction away from the separation nozzle and drives the opening of the separation nozzle to outwards face the radial direction of the core rod. The aluminum alloy pipe fitting cutting device has the effect of improving the aluminum alloy pipe fitting cutting efficiency.

A haul vehicle includes a dump body, a vehicle body supporting the dump body, a traveling apparatus including driving wheels and supporting the vehicle body, a trolley power receiving apparatus to which power is supplied from a trolley wire, a bidirectional DC / DC converter, a storage battery charged with power supplied from the trolley wire via the bidirectional DC / DC converter, an electric motor that generates driving force for rotating the driving wheels, and a switch mechanism that switches between a first state, in which power is supplied from the trolley wire to the electric motor via the bidirectional DC / DC converter, and a second state, in which power is supplied from the storage battery to the electric motor via the bidirectional DC / DC converter.

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 present invention discloses a foldable cart frame, comprising a front frame mechanism, a rear frame mechanism, a collapsing mechanism, a foldable upper connection frame, and a foldable lower support frame; when the front frame mechanism and the rear frame mechanism are pushed to collapse or expand, the foldable upper connection frame and the foldable lower support frame rotate to fold or unfold accordingly, an upper end of the collapsing mechanism slides along the foldable upper connection frame, a lower end of the collapsing mechanism slides along the front frame mechanism and the rear frame mechanism to collapse or expand, thereby completing the collapsing and expanding of the entire cart frame.

A collapsible cart system, comprising: a container having a front end and a back end, a chassis coupled with a bottom of the container, at least one first leg having a first end movable relative to the chassis and a second end, at least one first wheel coupled with the second end of the first leg, and a first actuator connected to the chassis and the first leg. The first actuator is configured to move the first leg relative to the chassis to alternate between a first position where the second end the first leg is fully extended away from the chassis and a second position where the first leg is substantially parallel with a bottom of the chassis.

A cart provided with a brake assembly capable of synchronously braking two casters having a cart frame. Two front casters and two rear casters are symmetrically arranged at the bottom of the cart frame. A brake mechanism is arranged on the two rear casters and having a connecting tube, a pedal mounted on the connecting tube and two brake assemblies mounted at ends of the connecting tube respectively. Two ends of the connecting tube are connected to the two brake assemblies respectively. The pedal drives the connecting tube to rotate, and limit portions of the brake assemblies abut against limit pieces on the rear casters to bake the rear casters. The two rear casters can be braked synchronously, thus improving the braking efficiency of the cart in the moving process.

A collapsible cart configured to convert from a collapsed position to an expanded position, the cart having opposing side walls and a bottom wall, and, in the expanded position, forming one or more open compartments which may be enclosed by a cover comprising one or more panels. The side walls may include one or more pairs of panels rotatably together connected at joints such that distal edges of each pair of panels are rotatable inwardly toward each other and a collapsed position or outwardly away from each other toward an expanded position. Also, disclosed is a motorized collapsible cart.

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.

The invention discloses a portable frameless flat folding trolley capable of not rising after being folded, and belongs to the technical field of trolleys. The device mainly comprises four groups of vertical rods, wherein the four groups of vertical rods comprise front vertical rods and rear vertical rods; the bottom sleeve is mounted at the bottom end of the vertical rod; the first cross rod and the second cross rod are mounted between the bottom sleeves; the first fixing ring is mounted at the bottom end of the front vertical rod; the second fixing ring is mounted at the bottom end of the rear vertical rod; the first vertical rod is rotationally arranged, and the second vertical rod is rotationally arranged; the hinge sleeve is mounted on the second vertical rod and hinged to the first vertical rod; the first rotating ring and the second rotating ring are mounted on the vertical rod; the first inclined rod is mounted on the first rotating ring; the second inclined rod is mounted on the second rotating ring; and the folding assembly is used for supporting the bottom of the cart. According to the portable frameless flat folding trolley capable of not rising after being folded, by arranging the folding assembly, the whole trolley does not rise in the folding process of the trolley, and therefore the trolley storage difficulty is further reduced.

A battery block moving assembly for handling and a manipulation with a battery block is described. The battery block moving assembly includes a trolley, a platform, a lift mechanism and a battery block moving mechanism. The battery block moving mechanism includes a pin and a horizontal pin moving mechanism configured to move the pin. The pin is configured to engage and move a battery block.