B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
B62J3/00—Acoustic signal devices; Arrangement of such devices on cycles
B62J3/02—Mechanical devices
B62J3/04—Mechanical devices activated by the rider, e.g. bells or horns