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
Landscapes
Engineering & Computer Science
(AREA)
Chemical & Material Sciences
(AREA)
Combustion & Propulsion
(AREA)
Transportation
(AREA)
Mechanical Engineering
(AREA)
Shafts, Cranks, Connecting Bars, And Related Bearings
(AREA)