(19)
(11) EP 1 706 579 A1

(12)

(43) Date of publication:
04.10.2006 Bulletin 2006/40

(21) Application number: 04800413.9

(22) Date of filing: 29.11.2004
(51) International Patent Classification (IPC): 
E21B 19/16(2006.01)
(86) International application number:
PCT/SE2004/001757
(87) International publication number:
WO 2005/068772 (28.07.2005 Gazette 2005/30)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 14.01.2004 SE 0400057

(71) Applicant: Atlas Copco Rock Drills AB
701 91 Örebro (SE)

(72) Inventor:
  • KÄMPE, Ulf
    S-696 33 Kumla (SE)

(74) Representative: Janson, Ronny 
Ehrner & Delmar Patentbyra AB, Box 10316
100 55 Stockholm
100 55 Stockholm (SE)

   


(54) HOLDING WRENCH FOR ROCK DRILLING MACHINE AND ROCK DRILLING MACHINE INCLUDING SUCH A HOLDING WRENCH