EP 0086391 B1 19850410 - DOUBLE-LEAVE DOOR WITH A DOOR-CLOSING SELECTOR
Title (en)
DOUBLE-LEAVE DOOR WITH A DOOR-CLOSING SELECTOR
Publication
Application
Priority
DE 3204975 A 19820212
Abstract (en)
1. A double-leaf door which is spring-loaded in the closing direction and which has a device for damping the closing movement and a closing sequence regulator, in particular a fire retarding door, wherein the damping of the trailing leaf takes place via a hydraulic damping element with a throttled transfer flow between two pressure chambers which are controlled in opposite senses by a double acting piston, characterised in that a control valve (3) which is directly or indirectly actuatable via the leading leaf is arranged in the transfer flow passage (2) from the one pressure chamber (11 or 12 respectively) to the other.
IPC 1-7
IPC 8 full level
E05F 3/10 (2006.01); E05F 3/22 (2006.01); E05F 5/12 (2006.01)
CPC (source: EP US)
E05F 3/223 (2013.01 - EP US); E05F 5/12 (2013.01 - EP US); E05Y 2900/132 (2013.01 - EP US); Y10S 16/10 (2013.01 - US); Y10S 16/17 (2013.01 - US); Y10S 16/21 (2013.01 - US)
Designated contracting state (EPC)
AT BE CH FR GB IT LI LU NL SE
DOCDB simple family (publication)
US 4967444 A 19901106; AT E12670 T1 19850415; DE 3204975 C1 19830519; EP 0086391 A1 19830824; EP 0086391 B1 19850410; JP H0354237 B2 19910819; JP S5915181 A 19840126
DOCDB simple family (application)
US 46671783 A 19830215; AT 83100895 T 19830201; DE 3204975 A 19820212; EP 83100895 A 19830201; JP 1897783 A 19830209