B62B2301/20

Caster assembly

A spring-force adjustable, height-adjustable industrial caster assembly including a mounting plate, a swivel housing that swivels relative to the mounting plate, and a spring assembly having components that are moveable relative to the swivel housing to controllably alter spring deflection and/or caster wheel height, which components can be adjusted by accessing the height-adjustable industrial caster assembly from above, eliminating the need to raise a pallet truck or other moveable assembly to which the caster assembly is coupled, away from the floor to be able to access and adjust the industrial caster assembly.

CART
20230026990 · 2023-01-26 · ·

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.

WHEEL SHOCK ABSORPTION STRUCTURE AND CHILD CARRIER
20230013591 · 2023-01-19 · ·

A wheel shock absorption structure and a child carrier having the wheel shock absorption structure, including a wheel shaft and a wheel seat connected with a frame, and a lower end of the wheel seat is rotatably connected with a wheel through the wheel shaft. Further including a shock absorber with an elastic structure, an upper end of the shock absorber is removably connected with an upper end of the wheel seat, and the shock absorber rotates synchronously along with the wheel seat; a lower end of the shock absorber is rotatably connected with the wheel shaft which is slidably connected with the lower end of the wheel seat. The shock absorber is driven by sliding of the wheel shaft to generate recoverable elastic deformation to provide damping and buffering. The bending deformation of the shock absorber ensures that the wheel shock absorption structure has a better shock absorbing effect.

CART
20230015530 · 2023-01-19 · ·

A cart includes a carriage, a right front wheel, a left front wheel, a right rear wheel and a left rear wheel, and a suspension mechanism. The suspension mechanism includes a steering shaft, a link member, a tie rod, a holding member, and a buffer member. When the cart is viewed from behind, a lower space is defined under the carriage. The lower space has a width of ⅓ or more of a distance between a left side surface of the right front wheel and a right side surface of the left front wheel between the right front wheel and the left, front wheel. The lower space between the right rear wheel and the left rear wheel has the width of ⅓ or more of the distance between a left side surface of the right rear wheel and a right side surface of the left rear wheel.

CART
20230017430 · 2023-01-19 · ·

A cart may include: a carriage; a wheel supported by the carriage and touching ground; a holding member rotatably supported by the carriage about a steering axis and rotatably supporting the wheel about a rotation axis; a steering handle to be gripped by a user; an input sensor configured to detect an operation on the steering handle by the user; a steering motor configured to be actuated in response to the operation by the user detected by the input sensor; and a transmission mechanism connecting the steering motor and the holding member and configured to rotate the holding member about the steering axis in response to actuation of the steering motor. The steering handle and the transmission mechanism may be mechanically separated, and the transmission mechanism may include a torque limiter interposed between the steering motor and the holding member.

BALL WHEEL, ASSEMBLY AND METHOD OF USE
20220388337 · 2022-12-08 ·

The present disclosure relates in general to a ball wheel, assembly and method of use for providing omni-directional rolling support to an article of manufacture such as, e.g., mechanics creepers, crates, carts, dollies, stretchers, gurneys, litters, beds, prams, transports, and luggage. One aspect of the present disclosure includes a ball wheel for a ball wheel assembly. The ball wheel comprises a roughly spherical shaped body having a plurality of features on an exterior surface of the body configured to assist the ball wheel in overcoming obstacles/debris in the surrounding environment and being used on uneven surfaces. Another aspect of the present disclosure includes a ball wheel assembly comprising the ball wheel. The ball wheel assembly may include a housing with an interior socket and shock absorber that allows the ball wheel to rotate therein while providing a cushioning effect. A still further aspect of the present disclosure includes a plurality of ball wheel assemblies mounted on an article of manufacture. Yet another aspect of the present disclosure is a method of using the ball wheel assembly on an article of manufacture. An intended purpose of the present disclosure is to provide a ball wheel and assembly for an article of manufacture that is designed to overcome obstacles/debris in the surrounding environment and being used on uneven surfaces via the combination of the cushioning effect of the shock absorber and the plurality of features of the ball wheel.

ANTI-SHIMMY DEVICE ADAPTED FOR A WHEEL OF A CHILD CARRIER

An anti-shimmy device (200A,200B,200C,200D,200E,200F,200G,200H) is adapted for a wheel (102A,102B,102C,102D,102E,102F,102G,102H) of a child carrier (100A,100B,100C,100D,100E,100F,100G,100H). The anti-shimmy device (200A,200B,200C,200D,200E,200F,200G,200H) includes a connecting base (210A,210B,210C,210D,210E,210F,210G,210H), a wheel base (220A,220B,220C,220D,220E,220F,220G,220H), a spindle component (230A,230B,230C,230D,230E,230F,230G,230H) and a restraining mechanism (240A,240B,240C,240D,240E,240F,240G,240H). The connecting base (210A,210B,210C,210D,210E,210F,210G,240H) is connected to a frame (101A,101B,101C,101D,101E,101G,101H) of the child carrier (100A,100B,100C,100D,100E,100F,100G,100H). The wheel base (220A,220B,220C,220D,220E,220F,220G,220H) is connected to the wheel (102A,102B,102C,102D,102E,102F,102G,102H) of the child carrier (100A,100B,100C,100D,100E,100F,100G,100H). The spindle component (230A,230B,230C,230D,230E,230F,230G,230H) is fixedly connected to one of the connecting base (210A,210B,210C,210D,210E,210F,210G,210H) and the wheel base (220A,220B,220C,220D,220E,220F,220G,220H) and rotatably connected to another one of the connecting base (210A,210B,210C,210D,210E,210F,210G,210H) and the wheel base (220A,220B,220C,220D,220E,220F,220G,220H). The restraining mechanism (240A,240B,240C,240D,240E,240F,240G,240H) is configured to restrain a shimmy movement of the wheel base (220A,220B,220C,220D,220E,220F,220G,220H) relative to the connecting base (210A,210B,210C,210D,210<

Separable wheel pack assembly
11584419 · 2023-02-21 ·

A wheel pack assembly includes a pack portion wearable by a user and a wheeled portion removably coupled to the pack portion. The pack portion includes a support frame coupled to a rear surface thereof. The support frame includes articulating arms and stabilizing elements. The wheel portion includes a frame and a first wheel set coupled to the frame and disposed at a location spaced apart from a rear end of the wheeled portion. The frame includes a first portion and a second portion that are joined together at a bend and such that the second portion defines a transport bed of the assembly.

Robotic vehicle, system therewith and use thereof

Robotic vehicle and use thereof for displacing a holder for goods, which is for instance loaded with goods, which vehicle can be operated in an empty position and a loaded position, comprising of (1) moving the robotic vehicle to a position under the holder in a first direction, wherein the robotic vehicle is in the empty position, wherein a holding means is countersunk in a body of the vehicle; (2) lifting the holder, wherein the robotic vehicle lifts the holder by performing a vertical movement of the holding means relative to the wheels of the vehicle, such that the holding means comes into contact with an underside of the holder, wherein the robotic vehicle transfers to the loaded position; (3) rotating driven wheels of the robotic vehicle from the first direction to the second direction without the body of the vehicle being rotated, and (4) displacing the robotic vehicle in the loaded position in a second direction, wherein the first and second direction enclose a mutual angle of between 60 and 120 degrees, preferably 75 and 105 degrees, more preferably 85 and 95 degrees, such as a substantially right angle.

Stroller frame and stroller
20230182800 · 2023-06-15 · ·

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).