Patent ID: 7143870

Claim:
An elevator hall door hanger apparatus for suspending an elevator hall door, which has a front face facing an elevator hall and a back face facing a hoistway of the elevator, in an entrance on the hall, said door hanger apparatus comprising: a hanger member having a substantially L-shaped cross section, said hanger member comprising a short piece which is fixed on the upper portion of said door, and a long piece which rises along the back face of said door; a plurality of hanger rollers which are rotatably mounted on said hanger member and each of which has a cushioning member at least on the outer peripheral surface thereof; a guide rail which is supported by the entrance on the hall so as to extend in horizontal directions to guide said plurality of hanger rollers; and penetration preventing means configured to prevent material of said cushioning member, which melts on high temperature conditions, from flowing along said hanger member to enter into said hoistway, wherein said penetration preventing means is said hanger member having a width which is substantially equal to the width of said door.