公开(公告)号：US20230313618A1

公开(公告)日：2023-10-05

申请号：US18129229

申请日：2023-03-31

Applicant: SANDVIK MINING AND CONSTRUCTION OY

Inventor： Johannes HAKULINEN ,  Juha PIISPANEN ,  Sirpa LAUNIS ,  Jussi HUHTANEN

IPC: E21B12/06

CPC classification number: E21B12/06 ,  E21B19/08

Abstract: A scraper, rock drilling unit, and a method of cleaning a feed beam of a rock drilling unit is provided. The scraper includes a scraper element and a bracket mountable to the feed beam. The bracket provides the scraper element with a floating support. There is at least one force element provided for generating a force for moving the scraper element in relation to the bracket.