Patent ID: 7481300
Filing Date: 2009-01-27
Classification: B66B

Abstract:
1. A roping arrangement for an elevator that comprises an elevator car, two elevator car guide rails, and a drive machine, the roping arrangement comprising: hoisting ropes; first, second, third, and fourth diverting pulleys; and a fixing and support arrangement; wherein the hoisting ropes move the elevator car along the elevator car guide rails, wherein the first diverting pulley is disposed on the elevator car, wherein the second and third diverting pulleys are disposed in an upper part of an elevator shaft or equivalent, wherein the fourth diverting pulley is disposed on the elevator car, wherein the hoisting ropes are disposed to pass from a traction sheave of the drive machine to the first diverting pulley, wherein the hoisting ropes are further disposed to pass from the first diverting pulley, via the second and third diverting pulleys, to the fourth diverting pulley, wherein the fixing and support arrangement is disposed at a top end of the elevator car guide rails, wherein the fixing and support arrangement comprises: wherein the support beams are of essentially a same length, wherein each of the support beams is fixed at a first end of a respective support beam to a wall of the elevator shaft or equivalent, wherein each of the support beams extends from the first end of the respective support beam to a second end of the respective support beam away from the wall of the elevator shaft or equivalent, wherein each of the support beams is fixed to a respective elevator car guide rail between the first and second ends of the respective support beam, wherein a vertical plane is defined between the elevator car guide rails, wherein at least one of the first, second, third, and fourth diverting pulleys is on an opposite side of the vertical plane from the wall of the elevator shaft or equivalent, and wherein the at least one of the first, second, third, and fourth diverting pulleys is disposed at a distance from the vertical plane.