Patent ID: 6598707
Filing Date: 2003-07-29
Classification: B66B

Abstract:
An elevator comprising:a cage capable of vertically moving along cage guide rails in an elevator shaft, and provided with cage-side sheaves on its lower portion; a counterweight capable of vertically moving along counterweight guide rails in the elevator shaft and provided with counterweight-side sheaves; two hoist cables wound around the cage-side sheaves and the counterweight-side sheaves such that one end part of the hoist cables suspend the cage and the other end part of the same suspend the counterweight in two-to-one roping arrangement respectively; and a driving unit including traction sheaves around which the two hoist cables are wound respectively, and held on upper ends of the counterweight guide rails; wherein, in a top plan view of the elevator shaft, the traction sheaves of the driving unit are disposed in a space between an inner side surface of the elevator shaft facing the counterweight and a vertical outer side surface of the cage facing the same inner side surface of the elevator shaft, when the cage exists at its uppermost position in the elevator shaft.