(19)
(11) EP 0 405 950 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.11.1991 Bulletin 1991/45

(43) Date of publication A2:
02.01.1991 Bulletin 1991/01

(21) Application number: 90307040.7

(22) Date of filing: 27.06.1990
(51) International Patent Classification (IPC)5: E02F 5/06, E02F 5/10
(84) Designated Contracting States:
DE FR GB

(30) Priority: 27.06.1989 GB 8914753

(71) Applicant: BRUFF GROUP LIMITED
Suckley, Worcester WR6 5DS (GB)

(72) Inventor:
  • Kukla, Michael
    Bromyard, Hereford HR7 4XB (GB)

(74) Representative: Thompson, George Michael et al
MARKS & CLERK, Alpha Tower, Suffolk Street Queensway
Birmingham B1 1TT
Birmingham B1 1TT (GB)


(56) References cited: : 
   
       


    (54) Digging machine


    (57) A machine for digging trenches includes a boom 12 which can be mounted on a tractor vehicle. The boom carries an endless chain 14 mounting picks. In order to absorb the reaction generated when the picks are in operation a ground engaging plate 18 is provided which can be clamped to the boom.







    Search report