Driver protection device for a motorbike comprises rings of pairs of arcs around and above the drivers seat which are linked together

摘要

A driver-protection device for a motorbike comprises a ring construction around the driver's seat having two arcs (2,3) embracing the seat above and behind and forming a ring with the frame (1). There are two surrounding arcs inclined to the horizontal (9) and two surrounding vertical arcs (8) outside the horizontal arcs and touching all other arcs.