EP 0572362 B1 19960828 - Hydraulic apparatus for controlling the raising and lowering of the barrier of a level crossing
Title (en)
Hydraulic apparatus for controlling the raising and lowering of the barrier of a level crossing
Title (de)
Hydraulische Anlage zum Bedienen einer Schranke
Title (fr)
Dispositif hydraulique pour contrÔler l'actionnement d'une barrière
Publication
Application
Priority
IT FI920116 A 19920528
Abstract (en)
[origin: EP0572362A1] The apparatus comprises: a hydraulic power unit for a hydraulic cylinder-and-piston actuator (46, 42) for the raising and lowering of the barrier (A) by means of a sector gear and rack (54A, 50); a hydraulic circuit with distributors, pressure regulators, valves and the like; mechanical locking means (56, 52) at least for the lowered position of the barrier (A); and auxiliary units (7, 10; 9, 14) for overcoming initial inertia on opening. <IMAGE>
IPC 1-7
IPC 8 full level
E01F 13/06 (2006.01)
CPC (source: EP)
E01F 13/06 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FR GB GR IE LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0572362 A1 19931201; EP 0572362 B1 19960828; AT E141978 T1 19960915; DE 69304256 D1 19961002; DE 69304256 T2 19970206; DK 0572362 T3 19960916; ES 2090942 T3 19961016; GR 3020904 T3 19961130; IT 1258735 B 19960227; IT FI920116 A0 19920528; IT FI920116 A1 19931128
DOCDB simple family (application)
EP 93830223 A 19930525; AT 93830223 T 19930525; DE 69304256 T 19930525; DK 93830223 T 19930525; ES 93830223 T 19930525; GR 960402130 T 19960829; IT FI920116 A 19920528