F41A—FUNCTIONAL FEATURES OR DETAILS COMMON TO BOTH SMALLARMS AND ORDNANCE, e.g. CANNONS; MOUNTINGS FOR SMALLARMS OR ORDNANCE
F41A3/00—Breech mechanisms, e.g. locks
F41A3/12—Bolt action, i.e. the main breech opening movement being parallel to the barrel axis
F41A3/36—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing
F41A3/44—Semi-rigid bolt locks, i.e. having locking elements movably mounted on the bolt or on the barrel or breech housing having sliding locking elements, e.g. balls, rollers
Dispositif de detentes doubles et independantes, adaptable en detente unique, selective ou non, avec mise en surete, pour fusils de chasse a canons superposes