DOOR SETTED UP AT THE EMERGENCY EXIT

• Main Author: LEE, SANG YUB
• Format: Patent
• Language: English
• Published: 09.01.2007
• Subjects: BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS; CHECKS FOR WINGS; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; KEYS; LADDERS; LOCKS; SAFES; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

An entrance door for preventing accidents in an apartment house is provided to promote safety and convenience in use by guiding children and the old and the weak to open and close a steel door safely and adult users to open and close conveniently. An entrance door for preventing accidents in an apartment house contains a steel door, a doorframe rotatably connected with the door, a rotary shaft(103) connecting the door and the doorframe, a bottom plate(110) having the area inclusive of the moving range of the door and forming the bottom of the door, a base(120) having a housing space(121) covered by the bottom plate and provided with a rotary projection(122) and a stopper(123), primary and secondary bevel gears(131,132) engaged with each other and placed in the housing space, a platform(137) supported by a horizontal frame(136) evenly and engaged with cams(134) to move vertically, and a hanger(138) provided with hanging grooves(138a) and fixed in a guide line(111) of the bottom plate.