Patent ID: 7510055

Claim:
An elevator comprising an entrance frame provided on an entrance leading from a landing hall to a hoistway, having an upper frame and a vertical frame, and landing doors arranged with a gap between the entrance frame and the landing doors, guided by a sill for opening-closing an opening of the entrance frame, a door unit of the elevator being characterized in that the door unit of the elevator includes smoke shielding members, for preventing the infiltration of smoke, on at least one of a top portion of the landing doors and a member opposed to the top portion of the landing doors, on at least one of a side portion of the landing doors and a member opposed to the side portion of the landing doors, and on at least one of a bottom portion of the landing doors and a member opposed to the bottom portion of the landing doors, the landing door is coupled to a door-closing enforcement device for pressing the landing door in a door-closing direction from a position of the landing door when the smoke shielding members touch the landing door or the member opposed to the top, side, or bottom portions of the landing doors to a door fully-closed position, wherein the smoke shielding member provided on the side portion of the landing door is fitted into a recess of a bracket, and the bracket is adjustably arranged, wherein the smoke shielding member on the bottom portion or the upper portion of each door comprises a pair of projections gradually spreading toward an outer end, wherein the pair of projections are fitted into a recess of an opposed member, and the projections are deformed with temperature or pressure differences of the environment.