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Priority to JP8909686UpriorityCriticalpatent/JPS62201300U/ja
Publication of JPS62201300UpublicationCriticalpatent/JPS62201300U/ja
E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
E06C—LADDERS
E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
E06C9/085—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members ladders unfolded in the direction of the longitudinal members