Schafthülsenanordnung, Gesteinsbohrmaschine und Verfahren

Details

Veröffentlichungs-Nr.

EP4431695

Aktenzeichen

EP23162685

Anmeldetag

17. März 2023

Veröffentlichung

10. Dezember 2025

Erteilung

10. Dezember 2025

Rechtsraum

EP

IPC

E21B17/03

Abstract

A shank sleeve assembly, a rock drilling machine, and a method. The assembly (26) is mountable around a shank adapter (8) in a rock drilling machine (6) and comprises a shank bushing (27) having two-piece configuration comprising a first bushing component (27a) and a second bushing component (27b) connectable against each other. The assembly further comprises a bearing bushing (30) arrangeable to surround the two-piece shank bushing and allowing rotation between the shank bushing and the bearing bushing.

Anmelder

Firma

Sandvik Mining and Construction Oy

Land

🇫🇮 Finnland

Fachgebiete