A pulling cart with four wheels can be folded into a folded configuration. The wheels are mounted on wheel assemblies which can be in an open or a folded position. The cart has a front panel hinged to a rear panel. The front panel has a front carrier for mounting two wheel assemblies and a pair of slide rails extendable to the second panel. A rear carrier having two wheel assemblies is fixedly mounted to the end portion of the slide rails to move between the front and rear panels. When the cart is used for pulling, all wheel assemblies are in the open position. Each carrier has two arm-receiving holes. Each wheel assembly has a pair of arcuate arms which can rest on the carrier to support the wheel in the open position or move through the arm-receiving hole into the folded position for folding the cart.

A folding handcart includes: a main body provided with a supporter configured to extend vertically from a lower portion thereof; and a loading plate provided with at least one loading plate wheel unit, connected to the supporter of the main body through a hinge unit, folded while being rotated toward the main body by the hinge unit, and stowing an article or a folding box, wherein, when the loading plate is folded while being rotated toward the main body, a predetermined stowing space is provided between the main body and the loading plate in accordance with an area of the supporter such that the folding box is folded and stowed therein.

A hand truck (10) comprises a frame (12), a platform (14) for carrying a load, an axle (26), two wheels (16) mounted on the axle (26), axle guide members (42), and biasing means (30). The axle (26) is moveable along the axle guide members (42) to move the axle (26) relative to the platform (14). The biasing means (30) compresses to resist tilting of the hand truck (10).

A child seat includes a seat portion, a backrest frame, a connector, and a locking mechanism operable to rotationally lock and unlock the connector with respect to the seat portion. The seat portion is fixedly connected with a first coupling part. The backrest frame is fixedly connected with a second coupling part, the second coupling part being pivotally connected with the first coupling part about a first pivot axis so that the backrest frame is rotatable relative to the seat portion. The connector is pivotally connected with the seat portion about a second pivot axis spaced apart from the first pivot axis, the connector being operable to detachably engage with a corresponding structure provided on a child supporting apparatus.

A pallet jack includes forks which can be removably attached to the base for positioning in a horizontal use position or a vertical storage position. The base includes forwardly open sockets for receiving the forks in the use position and upwardly open sockets for receiving the forks in the storage position. A lock mechanism locks the wheels in the use position. In an alternative embodiment, the base is eliminated, with each fork having an actuator for raising and lowering the fork wheels.

A transport bracket disclosed herein includes a support structure and vertical beams, which extend in a substantially vertical direction upward from opposing side of the support structure to form a substantially U-shapped channel configured to receive and support a door or similar sized object. A mounting plate extends horizontally from each beam, where one mounting plate is longer than the other. Each mounting plate defines an opening for receipt of a threaded vertical adjustment shaft extending through the opening. The vertical adjustment shaft has a top located vertically above the mounting plate, and a bottom located vertically below the mounting plate. A handle is operatively engaged to the top and a wheel assembly is engaged to the bottom. Rotation of the handle changes the proximity of the wheel assembly to the mounting plate. The wheel assembly has an axle extending from the vertical adjustment shaft, and at least one wheel rotatably engaged about the axle.

A cart including a body that has a frame and a caster, and the frame including first and second bars. The cart further includes a basket, first and second couplers attached to the basket such that the first and second couplers removably couple in a snug fit with either the first and second bars respectively, or the second and first bars respectively. The cart further includes first and second latches attached to the basket such that the first and second latches are constructed to reversibly secure the first and second couplers respectively to either the first bar and the second bar, or the second bar and the first bar, and a latch-connecting means having a first end attached to the first latch and a second end attached to the second latch such that the latch-connecting means permits the second latch to be controlled by the first latch.

A system comprises a wheel assembly including a wheel shaft and first and second wheels rotationally coupled to the wheel shaft; a first bracket coupled to a device rack and including a first open slot, the first open slot including a receiving portion configured to receive the wheel shaft at a first position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards; and a second bracket configured to be coupled to the rack on a second side and including a second open slot, the second open slot including a receiving portion configured to receive the wheel shaft at a second position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards.

A system comprises a wheel assembly including a wheel shaft and first and second wheels rotationally coupled to the wheel shaft; a first bracket coupled to a device rack and including a first open slot, the first open slot including a receiving portion configured to receive the wheel shaft at a first position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards; and a second bracket configured to be coupled to the rack on a second side and including a second open slot, the second open slot including a receiving portion configured to receive the wheel shaft at a second position, a delivery portion configured to deliver the wheel shaft upon tilting the rack forwards, and a locking portion configured to secure the wheel shaft upon tilting the rack backwards.

A moving carrier comprises a bottom frame assembly, a first support member and a link assembly. A first end portion of the first support member is connected with the bottom frame assembly. The link assembly includes a link member, a first connect member, a second connect member, and two adapter members. The link member is disposed at a second end portion of the first support member. The first connect member and the second connect member are disposed on the link member and connected to the second end portion through the link member. The adapter members are disposed corresponding to ends of the first connect member and the second connect member, and each adapter member has an adapter portion. In the process of changing positions of the first connect member and the second connect member relative to the link member, the adapter portions are oriented to the same direction.