EP 1260478 A3 20050420 - Hydraulic arrangement for the lift cylinder of an industrial truck
Title (en)
Hydraulic arrangement for the lift cylinder of an industrial truck
Title (de)
Hydraulische Anordnung für die Hubzylinder eines Flurförderzeugs
Title (fr)
Agencement hydraulique pour le vérin de levage d' un chariot de manutention
Publication
Application
Priority
DE 10125351 A 20010523
Abstract (en)
[origin: EP1260478A2] The hydraulic cylinder circuit for an agricultural feed conveyor has a first extendible primary cylinder (4) with a larger piston diameter than the secondary cylinder (2,3). The secondary cylinder has a pressure dependent opening closure valve (5). The primary cylinder can be switched by the second and there can be a third secondary cylinder for parallel switching.
IPC 1-7
IPC 8 full level
B66F 9/22 (2006.01)
CPC (source: EP)
B66F 9/22 (2013.01)
Citation (search report)
- [X] US 4593791 A 19860610 - MATTHEWS DEAN A [US]
- [X] FR 2321448 A1 19770318 - EATON CORP [US]
- [X] DE 2507416 A1 19760826 - HUNGER WALTER KG
- [A] DE 1431497 A1 19681219 - HANS STILL GMBH
- [A] US 3587784 A 19710628 - TAIT RAYMOND CARL
- [A] US 4041839 A 19770816 - OLSON JOHN E
- [A] DE 1804054 A1 19691218 - CASCADE CORP
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1260478 A2 20021127; EP 1260478 A3 20050420; EP 1260478 B1 20080917; DE 10125351 A1 20021128; DE 50212778 D1 20081030
DOCDB simple family (application)
EP 02010826 A 20020515; DE 10125351 A 20010523; DE 50212778 T 20020515