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Priority to JP1988029393UpriorityCriticalpatent/JPH01136141U/ja
Publication of JPH01136141UpublicationCriticalpatent/JPH01136141U/ja
A42B3/00—Helmets; Helmet covers ; Other protective head coverings
A42B3/04—Parts, details or accessories of helmets
A42B3/18—Face protection devices
A42B3/22—Visors
A42B3/221—Attaching visors to helmet shells, e.g. on motorcycle helmets
A42B3/222—Attaching visors to helmet shells, e.g. on motorcycle helmets in an articulated manner, e.g. hinge devices
A42B3/223—Attaching visors to helmet shells, e.g. on motorcycle helmets in an articulated manner, e.g. hinge devices with means for locking the visor in a fully open, intermediate or closed position