Patent ID: 6488124
Filing Date: 2002-12-03
Classification: B66B

Abstract:
An elevator comprising:a car moving up and down along car guide rails; a counterweight moving up and down along counterweight guide rails, said counterweight being installed at the back when viewed from a doorway of said car; ropes for suspending said car and said counterweight, hitches of said ropes being formed below a ceiling surface of said car; a driving device contained in an elevator shaft and installed at a top of said elevator shaft above said counterweight along a vertical extension line of said counterweight; and at least one traction sheave engaging with said ropes and rotated by said driving device, said at least one traction sheave being placed close to a first wall surface of an said driving device comprises speed reducers fixed to elevator shaft wall, which is adjacent to a second wall surface facing said counterweight and outside a horizontally projected plane of said car, and said at least one traction sheave being placed in a space between said first wall surface of the elevator shaft wall and a side surface of the car that is opposed to said first wall surface, wherein an outside diameter of a frame of said driving device is smaller than a diameter of said at least one traction sheave.