EP 0011766 B1 19811125 - EXCAVATOR WITH POSITION INDICATION OF ITS WORKING TOOL
Title (en)
EXCAVATOR WITH POSITION INDICATION OF ITS WORKING TOOL
Publication
Application
Priority
DE 2851942 A 19781201
Abstract (en)
[origin: US4277899A] An excavating machine has an indicator (60, 64) showing the position of the boom and dipper stick mounted back hoe (29) to the machine operator. A guide rod (33) is coupled to the hoe and to a swivel joint (34) on the machine to drive the indicator. The angle of the hoe may be shown by an additional indicator (83, 84).
IPC 1-7
IPC 8 full level
E02F 3/30 (2006.01); E02F 3/32 (2006.01); E02F 3/36 (2006.01); E02F 5/14 (2006.01); E02F 9/26 (2006.01); E02F 3/42 (2006.01)
CPC (source: EP US)
E02F 3/301 (2013.01 - EP US); E02F 3/32 (2013.01 - EP US); E02F 3/3677 (2013.01 - EP US); E02F 9/26 (2013.01 - EP US)
Designated contracting state (EPC)
AT CH FR GB IT NL SE
DOCDB simple family (publication)
EP 0011766 A1 19800611; EP 0011766 B1 19811125; AT E437 T1 19811215; DE 2851942 A1 19800604; DE 2851942 C2 19830818; JP S55108539 A 19800820; JP S5914127 B2 19840403; JP S5925053 B2 19840614; JP S5948530 A 19840319; US 4277899 A 19810714
DOCDB simple family (application)
EP 79104470 A 19791113; AT 79104470 T 19791113; DE 2851942 A 19781201; JP 14677483 A 19830812; JP 15452179 A 19791130; US 9882579 A 19791130