State of the art track width adjustment mechanism fail to support track width adjustment while vehicle is in motion. They also require manual intervention, which causes inconvenience. The disclosure herein generally relates to wheel track adjustment, and, ...

The roller i.e. bed roller, has a guide tube (5) pivotally arranged over a bearing (4) relative to a bracket (3). A locking element (8) is positioned within the guide tube and arranged in an operating connection with a running wheel (2). Locking units (19-...

The roller has an electrically conductive wire (60) with an end (61) set on an end (58) of a rivet shank (54) of a rivet (52), and another end (62) that is in contact with a rotating shaft (12). The latter end of the wire is housed in a groove (66) realize...

A castor includes a swiveling shaft (1), a rack (2), a driving unit (3) received in the swivel shaft (1), and an arresting unit (4) assembled with the driving unit (3). The swiveling shaft (1) defines a through hole (13) near an end thereof, and has a bear...

The castor has a bearing wall portion with a tenon (33) secured to a base. Two oblong holes (51, 52) are formed in two limbs and a third oblong hole (54) is formed in the tenon. Holes are arranged in the limbs and tenon such that the holes are centered on ...

A castor, including at least one castor wheel (12) mounted on a support member (14) for rotation about a wheel axis (18), a connection member (16) for connection of the castor to a body, the support member (14) being connected to the connection member for ...

A castor wheel comprises a hub (2) supporting a wheel body and a pedal lever (12), and engaging means, driven by the pedal lever, defining at least a locking position for locking the rotation of the wheel body and at least a free rotary position in which t...