The device has a pressure spring (11) which urges locking bar (3) to its closed position. An electrically blockable fluid (hydraulic or rheological liquid) is arranged in a holding mechanism and is displaced by the locking bar during the opening and closing operations of the emergency door.
申请公布号
DE19801752(C1)
申请公布日期
1999.05.12
申请号
DE19981001752
申请日期
1998.01.20
申请人
DORMA GMBH + CO. KG, 58256 ENNEPETAL, DE
发明人
KAMPMANN, MANFRED, 58313 HERDECKE, DE;LANGBEIN, PETER, PROF. DR., 58708 MENDEN, DE;PASCADOPOLI, CARMELO, 58730 FROENDENBERG, DE;SCHMIDT, AXEL, DIPL.-ING., 58256 ENNEPETAL, DE
