Movable wheel rim for e.g. bicycle, motorcycle, has blocking elements on the rim and on the hub to block the flow of movement, and a closing mechanism to open and close these blocking elements

摘要

The wheel rim (2) turns around a hub (3) when the bicycle or motorcycle is driven. Blocking elements (4,5) on the rim and on the hub block the flow of movement, while a closing mechanism (6) open and close these blocking elements.