A table leg assembly for supporting a table top. The table leg assembly includes a leg member having a lower end that defines an open interior. A tube end insert is received within the open interior at the lower end of each of the leg members. A threaded internal opening of the tube end insert receives an attachment rod of either a caster wheel assembly or a glide assembly. The glide assembly includes a glide member having a support foot mounted to the threaded attachment rod. A spacer is positioned along the attachment rod between the lower end of the leg member and the support foot. The spacer is movable along the attachment rod to cover the threaded attachment rod and lock the glide member in position. The attachment rod of the caster wheel assembly is received within the tube end insert to mount the caster wheel assembly to the leg member.

A coupling mechanism is provided for coupling a supporting element to a frame, and includes a base member and a C-shaped retainer. The frame includes a frame body and a leg member that has a leg body extending downwardly from the frame body to terminate at an enlarged leg end. The base member defines therein a recess for the enlarged leg end therein. The supporting element is coupled to a lower major surface of the base wall. The C-shaped retainer extends to be disposed about the leg body, and is configured to be detachably coupled to a surrounding wall of the base member for retaining the enlarged leg end in the recess.

A wheel adapter to convert a storage container to a wheeled storage container is provided. The wheel adapter comprises a mounting bracket attachable to the storage container. The mounting bracket comprises a first leg configured to engage a bottom surface of the storage container, and a second leg configured to engage a side surface of the storage container. The second leg comprises a wheel coupling. The wheel adapter also includes a wheel rotatably connected to the wheel coupling. The wheel is constructed and arranged for rotation about an axis to provide rolling support of the storage container on the ground.

A caster attachment is provided. The caster attachment includes a body portion having an angled plate attached to a bottom plate. The angled plate and bottom plate fit an outside corner of a case. A fastener receiving portion is affixed to the body portion. The body portion has a hole for receiving a rivet. The fastener receiving portion has a threaded bore. There is a fastener that is attached to a wheel. The fastener is attachable and detachable to the threaded bore.

Embodiments of the present application disclose a universal wheel assembly and a smart cleaning device having the same. The universal wheel assembly includes a rotating shaft support and a universal wheel support. The rotating shaft support is configured to be fixed to a predetermined mounting position. The universal wheel support is connected to the rotating shaft support and is rotatable relative to the rotating shaft support. The universal wheel support is provided with a through hole, and the through hole is used for a mounting tool to pass through to fix the rotating shaft support to the predetermined mounting position.

A wheel adapter for connecting to a cargo container and providing the cargo container with rolling mobility. The wheel adapter includes an adapter body, one or more wheels rotatable with respect to the adapter body, and a container connector extending from the adapter body for connection to the cargo container. A pusher mechanism engages the adapter body and can be operated to move the adapter body relative to the wheel or wheels in order to vary the vertical placement of the wheel(s) in relation to the container connector. For example, the pusher mechanism can include a wheel-displacement bolt for translationally moving the wheel(s) upward and downward with respect to the container connector, and/or an airbag unit for pivoting the adapter body in relation to the wheel(s) and thus lowering or raising the wheel(s) with respect to the container connector.

A roller assembly for a storage unit enabling rolling of the storage unit on a surface includes a set of bearings and a set of couplers. The bearings are ball transfer type. Each coupler is coupled to a respective bearing and is configured to couple to a bottom of the storage unit so that the coupler is coupled the respective bearing to the bottom of the storage unit. The set of bearings is configured to facilitate rolling of the storage unit and contents thereof along the surface.

A movable lifting device has a lifting and fixing device (10) and a moving device (20). One end of the lifting and fixing device is connected to the moving device, and the other end thereof is connected to a cargo to be shifted (30). The free rotation of the lifting and fixing device converts rotary motion into linear motion for lifting the cargo to-be-shifted. The movable lifting device has a simple and flexible structure, is easy to operate, and combines the functions of shifting and lifting. It can be operated anytime and anywhere, and is suitable for a wide range of applications. The movable lifting device reduces labor intensity, saves manpower and material resources, is cheaper to build, and easy to operate.

A table leg assembly for supporting a table top. The table leg assembly includes a leg member having a lower end that defines an open interior. A tube end insert is received within the open interior at the lower end of each of the leg members. A threaded internal opening of the tube end insert receives an attachment rod of either a caster wheel assembly or a glide assembly. The glide assembly includes a glide member having a support foot mounted to the threaded attachment rod. A spacer is positioned along the attachment rod between the lower end of the leg member and the support foot. The spacer is movable along the attachment rod to cover the threaded attachment rod and lock the glide member in position. The attachment rod of the caster wheel assembly is received within the tube end insert to mount the caster wheel assembly to the leg member.

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.