Patent ID: 7273133
Filing Date: 2007-09-25
Classification: B66B,B66D

Abstract:
1. An elevator hoisting machine, comprising: a first rotary part with a first hollow defined therein, the first rotary part comprising: a second rotary part with a second hollow defined therein, the second rotary part comprising: wherein the second rotary part is coaxially and detachably coupled to the first rotary part, wherein the first and second hollows are merged to constitute an enclosed space between the brake-side end plate and the motor-side end plate with the sheave abutting on the rotor; wherein said first and second shaft portions are coaxial and are configured so that there is a hollow space between said first and second shaft portions; a sheave casing which covers the first rotary part and rotatably supports the first shaft portion of the brake-side end plate, the sheave casing comprising a brake braking body which makes contact with the brake rotating body to provide braking; and a frame which covers the second rotary part and rotatably supports the second shaft portion of the motor-side end plate, the frame comprising a stator arranged to face the magnet, wherein the sheave casing and frame are coupled together to form an external enclosure.