71551 ⎘
Marine propulsion by muscle power; Other apparatus for converting muscle power into propulsive effort using sliding or pivoting handle or pedal, i.e. the motive force being transmitted to a propelling means by means of a lever operated by the hand or foot of the occupant comprising means for transforming oscillating movement into rotary movement, e.g. for driving propeller shafts
Human powered watercraft or land vehicle
#2Self-powered standup personal watercraft
#3Human powered watercraft or land vehicle
#4Oscillating lever driven reversible motor
#5Pedal propulsion device for a watercraft
#6Angular velocity-controlled pontoon propulsion system
#7Water sport device
#8Human driven water propulsion device