EP 0373148 B1 19940824 - Hydraulic excavator.
Title (en)
Hydraulic excavator.
Title (de)
Hydraulikbagger.
Title (fr)
Pelle hydraulique.
Publication
Application
Priority
AT 298088 A 19881205
Abstract (en)
[origin: EP0373148A1] In a hydraulic excavator (1) having a boom (16) which can be swivelled in a vertical plane and has a running gear which is arranged on the base frame and can be moved towards the ground by moving the excavator shovel (8), at least one thrust cylinder-piston assembly (15) on the frame, said assembly being provided for the purpose of displacing the excavator shovel (8) in the horizontal direction, engages between two stays (9, 10) forming a parallelogram link on a plate (11) connecting the stays (9, 10) of the parallelogram link (4) or, in the region of the plate (11), on one of the two stays (9, 10). Also connected swivellably to the plate (11) are the boom arm (16) and at least one lifting cylinder-piston assembly (17) for swivelling the boom arm (16) in the vertical direction and at least one tilting cylinder-piston assembly (20) for tilting the shovel (8), the tilting cylinder-piston assembly (20) being connected to a link arm (21) pivotably supported on the boom arm (16) and a connecting rod (25) connected to the link arm (21) in articulated fashion being connected to the shovel (8) in articulated fashion outside the tilting axis (30) on the boom arm (16). <IMAGE>
IPC 1-7
E02F 3/38; E02F 3/32; E02F 3/30; E02F 3/42; E02F 9/14; E02F 9/12
IPC 8 full level
E02F 3/30 (2006.01); E02F 3/34 (2006.01); E02F 3/42 (2006.01); E02F 9/12 (2006.01)
CPC (source: EP)
E02F 3/302 (2013.01); E02F 3/308 (2013.01); E02F 3/3405 (2013.01); E02F 3/422 (2013.01); E02F 9/12 (2013.01)
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0373148 A1 19900613; EP 0373148 B1 19940824; AT 396266 B 19930726; AT A298088 A 19921115; AT E110431 T1 19940915; BG 50498 A3 19920814; DE 58908234 D1 19940929; ES 2063166 T3 19950101
DOCDB simple family (application)
EP 89890312 A 19891205; AT 298088 A 19881205; AT 89890312 T 19891205; BG 9053289 A 19891204; DE 58908234 T 19891205; ES 89890312 T 19891205