The improved mobile robot utilizes a cooperative wheeled support arrangement having a unique axle design that preferably cooperates with a base support module. A tri-axle is preferably used to support at least one omni-wheel on each axle section. Multiple omni-wheels on each section can be used for higher load applications. The tri-axle is of a fixed design and each wheel pivots on the individual axle section. Preferably, the axle sections are welded to each other.

An idler wheel for a tracked machine can comprise a cylindrical hub defining a central axis, an annular tread disposed concentrically about the cylindrical hub, a pair of side plates connecting the cylindrical hub and the annular tread, and a webbing connecting the cylindrical hub and the annular tread between the pair of side plates. A method for manufacturing an idler wheel comprises assembling a cylindrical hub, an annular tread, first and second side plates and at least one web.

Provided herein is a driving apparatus for transporting a loaded object, which allows a drive-wheel to always be in contact with the ground even when the ground is uneven. The driving apparatus includes a loading plate (140, 240) on which a loaded object is loaded, a first support (110, 210) connected to a lower portion of one side of the loading plate (140, 240), a second support (120, 220) connected to a lower portion of the other side of the loading plate (140, 240), a hinge (130, 230) configured to connect the first support (110, 210) to the second support (120, 220) in a hinge structure, at least a pair of drive-wheels (160, 260) coupled to both sides of a lower portion of the second support (120, 220), and a driver configured to rotate and drive the drive-wheels (160, 260).

An omnidirectional wheel includes a hub and a number of driven wheels. The hub defines a number of mounting grooves. Each mounting groove includes an axle provided therein. Each driven wheel includes a driven roller and a cover layer. Each of two ends of the driven roller defines a fixing hole. Each of the two holes receives the axle. The cover layer is sleeved on an outer side of the driven roller.

An omnidirectional wheel includes a hub and a number of driven wheels. The hub defines a number of mounting grooves. Each mounting groove includes an axle provided therein. Each driven wheel includes a driven roller and a cover layer. Each of two ends of the driven roller defines a fixing hole. Each of the two holes receives the axle. The cover layer is sleeved on an outer side of the driven roller.

A vehicle including at least one wheel and at least one hub assembly associated with the at least one wheel. The at least one hub assembly includes a hubcap. The hubcap has a transparent body configured for housing a lubricant, a fill port, and at least one continuous indication feature such that a lubricant volume is indicated in any orientation of the hubcap.

A wheel set assembly having a plurality of sinusoidal channeled wheels. The sinusoidal channeled wheels having a sinusoidal channel disposed around a circular exterior surface of each of the sinusoidal channeled wheels. The wheel set assembly allows for better maneuverability and longevity in comparison to other materials handling equipment wheels because of the sinusoidal channels. The sinusoidal channels also provide heat dissipation along with the ability to push debris out of the way of the materials handling equipment.

A wheel set assembly having a plurality of sinusoidal channeled wheels. The sinusoidal channeled wheels having a sinusoidal channel disposed around a circular exterior surface of each of the sinusoidal channeled wheels. The wheel set assembly allows for better maneuverability and longevity in comparison to other materials handling equipment wheels because of the sinusoidal channels. The sinusoidal channels also provide heat dissipation along with the ability to push debris out of the way of the materials handling equipment.

A mobile object is configured so as to be capable of moving front and rear bases 10,30 object to each other in order to make a wheel base provided between the front wheels 12 and the rear wheels 32 expandable and contractible. The front base 10 moves so as to be expand and contract the tread width between the front wheels 12 in association with the expansion and the contraction of the wheel base achieved. The seating part 41 is configured so as to turn forward in association with the relative movement of the front and rear bases 10,30 in order to contract the wheel base and the tread width. The seating part 41 is configured so as to turn backward in association with the relative movement of the front and rear bases 10,30 in order to expand the wheel base and the tread width.

A running wheel for a patient positioning device (30) is provided. The running wheel has a wheel (1) and a receiving device (4) for rotatably receiving the wheel (1) around a first rotational axis (5), which is arranged centrally with respect to a circumference of the wheel (1). The wheel (1) has a wheel body (3), and multiple circumferential castors (7), each having a second rotational axis (8) arranged in a direction tangential to a circumference of the wheel (1), wherein the circumferential castors (7) form a bearing surface of the wheel (1).