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
B62M1/00—Rider propulsion of wheeled vehicles
B62M1/24—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers
B62M1/28—Rider propulsion of wheeled vehicles with reciprocating levers, e.g. foot levers characterised by the use of flexible drive members, e.g. chains