A wheeled luggage case comprises (a) a storage chamber, (b) a cover defining an opening on at least one side of the storage chamber for providing ready access therein and at least two labyrinth axle-free wheels operatively connected to the chamber for towing the case along a ground surface. The labyrinth axle-free wheel comprises an internal rim, an external rim provided with a ground interface, rollers being rotatably disposed within a roller spacer between the internal and external rims in a uniform circumferential manner by means of a spacer and external covers. A labyrinth type dust passage in the wheel is defined by the rims and the external plates mechanically connected to the internal rim.
AXLE FREE WHEELS AND LUGGAGE MOUNTING SUCH WHEELS
WELLENFREIE RÄDER UND KOFFER MIT DERARTIGEN RÄDERN
ROUES SANS AXE ET VALISE AVEC TELLES ROUES
2018-12-05
Patent
Electronic Resource
English