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(11)

EP 4 739 607 A1

(12)

(43) Date of publication: 13.05.2026 Bulletin 2026/20 (21) Application number: 23739395.4 (22) Date of filing: 03.07.2023

(51) International Patent Classification (IPC):  B65H 51/10(2006.01) B65H 75/44(2006.01) B65H 75/42(2006.01) (52) Cooperative Patent Classification (CPC): B65H 75/425; B65H 75/4486; B65H 51/105; B65H 2701/34; B65H 2701/33 (86) International application number: PCT/SE2023/050690 (87) International publication number: WO 2025/009993 (09.01.2025 Gazette 2025/02)

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA Designated Validation States: KH MA MD TN (71) Applicant: Epiroc Rock Drills Aktiebolag 701 91 Örebro (SE)	(72) Inventor: JOHANSSON, Lennart 701 91 Örebro (SE) (74) Representative: Epiroc Rock Drills AB  Patents 701 91 Örebro 701 91 Örebro (SE)