EP 0225243 B1 19900103 - MACHINE FOR DIGGING TRENCHES INTO THE GROUND
Title (en)
MACHINE FOR DIGGING TRENCHES INTO THE GROUND
Publication
Application
Priority
FR 8516983 A 19851118
Abstract (en)
[origin: US4750280A] The trencher comprises a vehicle having secured to its rear a boom around which a digging chain runs. The boom is slidingly disposed in a sleeve-like frame pivoted to the rear of the vehicle and movable between a lowered operative position and a raised transport position.
IPC 1-7
IPC 8 full level
E02F 3/10 (2006.01); E02F 5/06 (2006.01); E02F 3/08 (2006.01); E02F 5/02 (2006.01)
CPC (source: EP US)
E02F 3/086 (2013.01 - EP US); E02F 3/10 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0225243 A1 19870610; EP 0225243 B1 19900103; AU 591722 B2 19891214; AU 6500786 A 19870521; CA 1257615 A 19890718; DE 225243 T1 19871015; DE 3668022 D1 19900208; FR 2590292 A1 19870522; FR 2590292 B1 19880115; US 4750280 A 19880614
DOCDB simple family (application)
EP 86402523 A 19861113; AU 6500786 A 19861111; CA 522408 A 19861107; DE 3668022 T 19861113; DE 86402523 T 19861113; FR 8516983 A 19851118; US 92609286 A 19861103