A caster assembly for a wheelchair comprises a stem having a frame clamp at a first end and a fork clamp at a second end, the frame clamp configured to form a frame joint with at least one rotational degree of freedom with a frame portion of the wheelchair, a tightening of the frame clamp securing the stem to the frame portion, the frame joint having a frame rotational axis. A fork unit has a fork portion and a caster rotatably supported by the fork portion, the fork unit having swivel mechanism, and a joint portion forming a rotational joint with the fork clamp of the stem, a tightening of the fork clamp blocking rotation of the rotational joint, the rotational joint having a fork rotational axis. A vector of the fork rotational axis is normal to a fork rotational plane in which the fork rotates relative to the stem, and further wherein the frame rotational axis is not parallel to the fork rotational plane.

The present utility model refers to a rolling device and, more particularly, an improved multi-directional ball caster-type device having an increased slope, which means a smaller angular slope level, or a more acute inclination angle between the central vertical axis of the device and the surface upon which it rolls. The slope, or inclination angle of the present improved device is from 62 to 50, or less. As the inclinations angle can be more acute, the object supported on the rolling system, e.g. a luggage case, can be more sloped without having friction between the main ball involving structure and the ground.

A device for mounting an aircraft tail wheel includes a support plate having, on the one hand, an articulation shaft with an arm and, on the other hand, an articulation shaft with a fork receiving the freely rotating tail wheel, while the articulation shaft of the plate is positioned near a rotation shaft of the tail wheel.

The pivot for castor wheel for cleaning equipment or the like, with new elements structured to absorb and counteract the stresses to which the wheel is generally subjected during use, allows cleaning equipment and the like to be used in areas and sectors compatible with the materials used for the various parts that compose it.

A caster wheel arrangement for a powered wheelchair, the caster wheel arrangement comprising: a caster wheel module comprising: a wheel rotatably connected to a first linkage member, wherein the wheel is rotatably arranged about a first axis of rotation of the wheel; and a support element rotatably connected to the first linkage member through a joint configured to allow a rotation of the first linkage member relative to the support element around a second axis of rotation perpendicular to the first axis of rotation; a second linkage member connected to the support element at a third axis of rotation, wherein the third axis of rotation is essentially perpendicular to the second axis of rotation of the first linkage member, to allow rotation of the caster wheel module about the third axis of rotation, wherein the third axis of rotation passes adjacent to the second axis of rotation.

A transport system for transporting an object is provided including a transport rail and a transport trolley. The transport trolley includes a base body that is coupled or can be coupled to an object carrier for receiving an object to be transported. It also includes one caster unit including a first caster rotatably supported about a first axis of rotation, a second caster rotatably supported about a second axis of rotation and a third caster rotatably supported about a third axis of rotation. In addition there is a swivel caster unit having a swivel caster and a pivot section. The pivot section is rotatably supported at a base body about a pivot axis, and the swivel caster is rotatably supported at the pivot section about a swivel caster axis and cooperates with a running surface of the transport rail, the swivel caster axis and the pivot axis do not cross.