(19)

(11)

EP 4 548 045 A1

(12)

(43) Date of publication: 07.05.2025 Bulletin 2025/19 (21) Application number: 22738089.6 (22) Date of filing: 30.06.2022

(51) International Patent Classification (IPC):  G01C 21/16(2006.01) G01C 21/34(2006.01) G01C 21/00(2006.01) G01C 21/20(2006.01) G05D 1/20(2024.01) (52) Cooperative Patent Classification (CPC): G01C 21/1652; G01C 21/20; G01C 21/3407; G01C 21/3826; G05D 2109/10; G05D 2107/73; G05D 2105/05; G05D 1/246; G05D 1/242; G05D 2111/17; G05D 1/628 (86) International application number: PCT/SE2022/050661 (87) International publication number: WO 2024/005680 (04.01.2024 Gazette 2024/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (71) Applicant: Epiroc Rock Drills Aktiebolag 701 91 Örebro (SE)	(72) Inventors: TRAMPE, Torkel 701 91 Örebro (SE) ALMQVIST, Håkan 701 91 Örebro (SE) (74) Representative: Epiroc Rock Drills AB  Patents 701 91 Örebro 701 91 Örebro (SE)