EP 0830491 B1 20010523 - OVERHEAD DOOR-CLOSING UNIT
Title (en)
OVERHEAD DOOR-CLOSING UNIT
Title (de)
OBENTÜRSCHLIESSER
Title (fr)
SYSTEME DE FERMETURE DE PORTE PAR LE HAUT
Publication
Application
Priority
- DE 9700122 W 19970124
- DE 19603186 A 19960130
Abstract (en)
[origin: WO9728341A1] The invention concerns an overhead door-closing unit in which the two opposed pistons (2, 3) usually used are replaced by a one-piece piston (1). This one-piece piston design increases the efficiency of the door-closing unit.
IPC 1-7
IPC 8 full level
E05F 3/10 (2006.01)
CPC (source: EP)
E05F 3/104 (2013.01); E05F 3/227 (2013.01); E05Y 2900/132 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FI FR GB IT LI LU NL SE
DOCDB simple family (publication)
WO 9728341 A1 19970807; AT E201477 T1 20010615; DE 19603186 A1 19970731; DE 19603186 C2 19980219; DE 59703586 D1 20010628; EP 0830491 A1 19980325; EP 0830491 B1 20010523; ES 2113337 T1 19980501; ES 2113337 T3 20010916
DOCDB simple family (application)
DE 9700122 W 19970124; AT 97914081 T 19970124; DE 19603186 A 19960130; DE 59703586 T 19970124; EP 97914081 A 19970124; ES 97914081 T 19970124