Door close mechanism

• Main Author: WILKINS, MICHAEL JOHN
• Format: Patent
• Language: English; French; German
• Published: 16.10.1985
• Edition: 4
• Subjects: BODY DETAILS OR KINDS OF RAILWAY VEHICLES; CHECKS FOR WINGS; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; ELECTRICITY; EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR; FIXED CONSTRUCTIONS; GENERATION; INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICESFOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTOOPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOTOTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THEWING; KEYS; LOCKS; PERFORMING OPERATIONS; RAILWAY SYSTEMS; RAILWAYS; SAFES; TRANSPORTING; WINDOW OR DOOR FITTINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THEFUNCTIONING OF THE WING

A control mechanism for the actuator (10) of powered door, e.g and "underground" or metro railway vehicle includes means (17, 20, 21, 23, 25) for interrupting and reversing a door closing operation upon detection of an obstruction. The motion of the door is sensed by a motion detector (18)...