Patent ID: 9038781
Filing Date: 2015-05-26
Classification: B66B,F16D

Abstract:
1. An arrangement for stopping an elevator car of an elevator, the elevator comprising the elevator car, a set of hoisting ropes, a hoisting machine, a traction sheave, and a brake that exerts an effect on rotation of the traction sheave, wherein the elevator car is suspended on the set of hoisting ropes, wherein the hoisting machine drives the traction sheave to move the elevator car using the set of hoisting ropes, and wherein the brake comprises a brake wheel and brake shoes, the arrangement comprising: a device configured to control the effect of the brake on the rotation of the traction sheave depending on a direction of rotation of the traction sheave; wherein during normal braking operation, the device is engaged when the elevator car is moving upward, wherein during emergency braking operation the device is not engaged when the elevator car is moving upward, and wherein the device is inside a rim of the traction sheave.