Brake and to lift safety guard

摘要

The present invention relates to a brake and a safety guard to lift. / p & & p & this brake 32 hydraulically controls is attached to an elevator car 10 and is applied to a guide 18. It is clamped by a spring. The spring is compressed, in order to release the brake, by actuation of the hydraulic cylinders, by means of a master - cylinder actuates electromagnetically, which answer has a signal coming from the control of the motor 16. A valve increasing of the release is operated by a regulator 22 when there is an excess quantity of speed, in order to release the pressure in the cylinders and to tighten the brake.