Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
B62M3/00—Construction of cranks operated by hand or foot
B62M3/02—Construction of cranks operated by hand or foot of adjustable length
B62M3/04—Construction of cranks operated by hand or foot of adjustable length automatically adjusting
Tretkurbelantrieb mit einem Drehwinkel von 360 Grad sowie periodisch veränderlichen Hebelarmlängen für durch Muskelkraft angetriebene Fahrräder und Fahrzeuge