Couch tricycle has frame, bottom bracket with pedals and chain wheel, front wheel, rear wheel and seat arranged in direction of travel before frame

摘要

The couch tricycle has a frame, a bottom bracket (10) with pedals and chain wheel, a front wheel (12), a rear wheel (14) and a seat (16) arranged in direction of travel before the frame. The frame has spars (18) extending itself in direction of travel and a rear axle running transverse to the spars.