Global Patent Index - EP 1403530 A3

EP 1403530 A3 20041124 - Double-acting cylinder

Title (en)

Double-acting cylinder

Title (de)

Doppeltwirkender Arbeitszylinder

Title (fr)

Vérin à double effet

Publication

EP 1403530 A3 20041124 (DE)

Application

EP 03450214 A 20030924

Priority

AT 14352002 A 20020925

Abstract (en)

[origin: EP1403530A2] A dual-action hydraulic cylinder has a piston (4) with a hollow piston rod (7) emerging through a cap (5, 6, 9) at each end. The hollow piston rod incorporates an enclosed gas spring (12) which acts on the rod and cylinder base (1). The gas spring (12) is located within a coaxial separation pipe (3) and fixed to the base (1).

IPC 1-7

F15B 15/14; F15B 11/072

IPC 8 full level

F15B 15/14 (2006.01)

CPC (source: EP)

F15B 15/1476 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR

DOCDB simple family (publication)

EP 1403530 A2 20040331; EP 1403530 A3 20041124; EP 1403530 B1 20060510; AT 412114 B 20040927; AT A14352002 A 20040215; DE 50303274 D1 20060614

DOCDB simple family (application)

EP 03450214 A 20030924; AT 14352002 A 20020925; DE 50303274 T 20030924