EP 0183616 A2 19860604 - Elevator brake and safety.
Title (en)
Elevator brake and safety.
Title (de)
Sicherheitsbremse für Aufzüge.
Title (fr)
Frein de sécurité pour ascenseur.
Publication
Application
Priority
FR 8417901 A 19841123
Abstract (en)
Two hydraulically controlled brakes (32) are attached to an elevator car (10) and each engages a guide rail (18). Each brake (32) is applied by a spring (40). The spring is compressed to release the brake, by actuating hydraulic cylinders (31a) through an electromechanically operated master cylinder (31) that responds to a signal from the motor control (16). An electromechanical release valve (52) is operated by a govenor (22), when an overspeed condition exists to quickly release the pressure in the cylinders, applying the brake.
IPC 1-7
IPC 8 full level
CPC (source: EP)
B66B 5/16 (2013.01)
Designated contracting state (EPC)
CH DE FR GB LI NL SE
DOCDB simple family (publication)
EP 0183616 A2 19860604; EP 0183616 A3 19871111; AU 5196586 A 19860618; AU 568036 B2 19871210; CA 1262875 A 19891114; CN 1007613 B 19900418; CN 85109248 A 19860702; FR 2573741 A1 19860530; FR 2573741 B3 19870320; JP S62500864 A 19870409; WO 8603184 A1 19860605
DOCDB simple family (application)
EP 85402282 A 19851122; AU 5196586 A 19851118; CA 495759 A 19851120; CN 85109248 A 19851120; FR 8417901 A 19841123; JP 50536285 A 19851118; US 8502259 W 19851118