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
B62J1/00—Saddles or other seats for cycles; Arrangement thereof; Component parts
B62J1/08—Frames for saddles; Connections between saddle frames and seat pillars; Seat pillars
Procédé et dispositif de crantage d'un tube d'armature pour un siège de véhicule automobile, notamment un tube d'armature d'appuie-tete.