EP 0263727 B1 19901205 - DEVICE FOR DIGGING TRENCHES
Title (en)
DEVICE FOR DIGGING TRENCHES
Publication
Application
Priority
FR 8614021 A 19861008
Abstract (en)
[origin: US4794709A] The present invention provides a device for digging trenches, including at least one digging wheel with a wheel framework which is connected to a vehicle by means of a mobile carriage for lowering or raising the wheel, further including: first means for causing said digging wheel to pivot about a first pivoting axis orthogonal to the plane defined by the direction of movement of the vehicle and the axis of rotation of said wheel, and second means capable of causing said wheel to pivot about a second pivoting axis orthogonal to the plane defined by said first pivoting axis and an axis parallel to the rotational axis of the wheel.
IPC 1-7
IPC 8 full level
E02F 3/18 (2006.01); E02F 3/20 (2006.01); E02F 3/24 (2006.01); E02F 5/08 (2006.01); E02F 5/02 (2006.01)
CPC (source: EP US)
E02F 3/188 (2013.01 - EP US); E02F 3/20 (2013.01 - EP US); E02F 3/24 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH DE ES GB GR IT LI LU NL SE
DOCDB simple family (publication)
EP 0263727 A1 19880413; EP 0263727 B1 19901205; AT E58933 T1 19901215; DE 3766584 D1 19910117; FR 2605029 A1 19880415; FR 2605029 B1 19910830; US 4794709 A 19890103
DOCDB simple family (application)
EP 87401977 A 19870903; AT 87401977 T 19870903; DE 3766584 T 19870903; FR 8614021 A 19861008; US 7371687 A 19870715