Tricycle with one front wheel and two rear wheels, bearing frame of which includes frame arms as main bearing parts forming U or V shape in vertical projection

摘要

The tricycle has one front wheel (2), two rear wheels (e.g. 3) and a bearing frame (1) forming a rotation bearing (7) for the front wheel holder (5) for steering the front wheel. The frame structure includes frame arms (e.g. 9) as main bearing parts. In vertical projection, these arms form a U or V shape for the bearing. The rear wheels may be on the inside of the arms.