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Priority to NL6503468ApriorityCriticalpatent/NL6503468A/xx
Publication of NL6503468ApublicationCriticalpatent/NL6503468A/xx
B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62K—CYCLES; CYCLE FRAMES; CYCLE STEERING DEVICES; RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FOR CYCLES; CYCLE AXLE SUSPENSIONS; CYCLE SIDE-CARS, FORECARS, OR THE LIKE
B62K19/00—Cycle frames
B62K19/30—Frame parts shaped to receive other cycle parts or accessories
B62K19/34—Bottom brackets
B—PERFORMING OPERATIONS; TRANSPORTING
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