Title:
ESCAPE STAIRS OF EXTENDIBLE TYPE
Document Type and Number:
Japanese Patent JPS5251797
Kind Code:
A
Abstract:
PURPOSE: To provide escape stairs of extendible type, in which a supporting arm and a stairs unit are accommodated in an assembled shape when the stairs are not used and in which the arm and the unit are extended downward to form an escape passage when the stairs are used.
Inventors:
NAKA HIROMITSU
Application Number:
JP12590775A
Publication Date:
April 25, 1977
Filing Date:
October 21, 1975
Export Citation:
Assignee:
NAKA TECH LAB
International Classes:
E04F11/04; A62B3/00; E04F11/06; E06C9/06; E06C9/08; (IPC1-7): A62B3/00; E04F11/06