Global Patent Index - EP 0033239 A2

EP 0033239 A2 19810805 - Crane hydraulic control system.

Title (en)

Crane hydraulic control system.

Title (de)

Hydraulisches Steuersystem für Krane.

Title (fr)

Système hydraulique pour la commande de grues.

Publication

EP 0033239 A2 19810805 (EN)

Application

EP 81300320 A 19810123

Priority

AU PE214680 A 19800125

Abstract (en)

A crane hoise drive assembly having a hydraulic motor (20) driven by a variable displacement hydraulic pump (21) and a control circuit (10) for the pump adapted to govern the pump displacement so that the lift generated by said motor is independent of line travel and is adjustably predetermined.

IPC 1-7

B66C 13/02; B66D 1/50

IPC 8 full level

B66C 13/02 (2006.01); B66D 1/50 (2006.01)

CPC (source: EP)

B66C 13/02 (2013.01)

Designated contracting state (EPC)

AT BE CH DE FR GB IT LI LU NL SE

DOCDB simple family (publication)

EP 0033239 A2 19810805; EP 0033239 A3 19811230; EP 0033239 B1 19851002; AT E15875 T1 19851015; DE 3172467 D1 19851107

DOCDB simple family (application)

EP 81300320 A 19810123; AT 81300320 T 19810123; DE 3172467 T 19810123