Patent ID: 6942066

Claim:
An elevator apparatus comprising: an actuating device including a sheave around which a rope engaged with an ascending and descending cage is wound, said sheave being adapted to rotate thereby to move said rope with its rotation, and a motor assembly for rotating said sheave, and a disc member having a plurality of posts to which external teeth gears of a speed reducer are idly mounted, said disc member serving as a side wall of a housing of said motor assembly; and a shielding body for shielding said actuating device, wherein: said sheave, said speed reducer, said motor assembly and a brake assembly are integrated in said actuating device; said speed reducer and said motor assembly are arranged coaxially to one another; an output wheel of said speed reducer constitutes said sheave, so that said speed reducer is arranged radially inwardly of said sheave; and said actuating device and said shielding body are installed on a rooftop of a building in which said ascending and descending cage is disposed, said shielding body being readily detachable from said rooftop.