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
B62J13/00—Guards for chain, chain drive or equivalent drive, e.g. belt drive
B62J13/04—Guards for chain, chain drive or equivalent drive, e.g. belt drive completely enclosing the chain drive or the like