Patent ID: 6742628
Filing Date: 2004-06-01
Classification: B66B

Abstract:
An elevator having a car and a counterweight hanging on at least one suspension rope and being movable in opposite directions in an elevator hoistway, a travel path of the counterweight being between a first side of the car and a first side-wall of the hoistway, the elevator being driven by a drive unit with a traction sheave placed in a hoistway overhead above the travel-path of the counterweight such that an upper part of the car can reach a position in the hoistway above the drive unit, and the at least one suspension rope running down from a first hitch-point situated in the hoistway overhead in the vicinity of the first side-wall of the hoistway and around at least one pulley on the counterweight, then up and around the traction sheave of the drive unit, then down again and horizontally across two pulleys mounted underneath the car, and finally up again to a second hitch-point on a second side-wall of the hoistway adjacent a second side of the car opposite the first side of the car, the elevator further comprising:a pair of car guiderails mounted in the hoistway and defining a car guide-plane extending generally parallel to a front wall of the car and approximately through a center-of-gravity of the car; a pair of counterweight guiderails mounted in the hoistway between the first side of the car and the first side-wall of the hoistway; and a supporting construction mounting the drive unit and fastened to said counterweight guiderails and to one of said car guiderails, said first hitch-point being on said supporting construction.