Global Patent Index - EP 1049898 A1

EP 1049898 A1 2000-11-08 - PRESSURIZED, CLOSED LUBRICATION AND HYDRAULIC OIL SYSTEM

Title (en)

PRESSURIZED, CLOSED LUBRICATION AND HYDRAULIC OIL SYSTEM

Title (de)

GESCHLOSSENES UND UNTER DRUCK STEHENDES SCHMIERSYSTEM UND HYDRAULIKÖLSYSTEM

Title (fr)

LUBRIFICATION SOUS PRESSION ET FERMEE ET SYSTEME D'HUILE HYDRAULIQUE

Publication

EP 1049898 A1 (EN)

Application

EP 98931192 A

Priority

  • SE 9801300 W
  • SE 9800234 A

Abstract (en)

[origin: WO9939127A1] A closed, hoseless, pressurized lubrication and hydraulic oil system for a hydraulic piston-cylinder apparatus (1, 2), in which the cylinder part (1), with one end thereof (3, 5) is rotatably mounted in a stationary bearing block (7), and in which hydraulic oil is transported between the piston side (10) of the piston-cylinder apparatus and the piston rod side (11) thereof through telescopic tubes (21), and in which both the pressure lubrication system (24-30) for lubrication of bearings between the piston-cylinder apparatus (1, 2) and the stationary bearing block (7), and means (12-18) for supply of hydraulic fluid under pressure to the two sides of the piston-cylinder apparatus are provided in a bearing pin (6) about which the piston-cylinder apparatus is adapted to rotate.

IPC 1-7 (main, further and additional classification)

F16N 7/14; F15B 15/04; F16N 11/04; F16N 11/10

IPC 8 full level (invention and additional information)

F15B 15/14 (2006.01); F16C 33/10 (2006.01)

CPC (invention and additional information)

F16C 33/102 (2013.01); F15B 15/149 (2013.01)

Citation (search report)

See references of WO 9939127A1

Designated contracting state (EPC)

AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT

EPO simple patent family

WO 9939127 A1 19990805; AU 8137498 A 19990816; EP 1049898 A1 20001108

INPADOC legal status


2004-01-21 [18D] DEEMED TO BE WITHDRAWN

- Effective date: 20030709

2000-11-08 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000621

2000-11-08 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT