Global Patent Index - EP 1264937 A2

EP 1264937 A2 2002-12-11 - Grab bucket for trench walls with improved control system for the verticality of the excavation

Title (en)

Grab bucket for trench walls with improved control system for the verticality of the excavation

Title (de)

Schlitzwandgreifer mit verbessertem Kontrollsystem für lotrechte Grabungen

Title (fr)

Benne de forage à système de commande de verticalité améliorée

Publication

EP 1264937 A2 (FR)

Application

EP 02291152 A

Priority

FR 0107226 A

Abstract (en)

[origin: FR2825393A1] The bucket crane (10) has controls for the angle of the bucket formed by sensors determining the angle and providing output signals. there are further sensors to determine the angle of the longitudinal axis of the chassis (24). Third sensors provide a signal representative of the spinning movement of the chassis around the vertical. The sensor output signals are sent to a processor which produces control signals to actuating cylinders in the bucket runners (32,34).

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

E02D 17/13; E02F 5/02; E02F 5/14; E02F 9/26

IPC 8 full level (invention and additional information)

B66C 3/02 (2006.01); B66C 13/32 (2006.01); E02F 3/20 (2006.01); E02F 3/26 (2006.01); E02F 3/47 (2006.01); E21B 11/04 (2006.01)

CPC (invention and additional information)

E02F 3/26 (2013.01); E02F 3/475 (2013.01)

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

EP 1264937 A2 20021211; EP 1264937 A3 20030129; EP 1264937 B1 20090422; AT 429547 T 20090515; DE 60232044 D1 20090604; FR 2825393 A1 20021206; FR 2825393 B1 20031107; JP 2003048684 A 20030221; TW 562894 B 20031121