The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 08, 2025
Filed:
Mar. 31, 2023
Applicant:
Sandvik Mining and Construction Oy, Tampere, FI;
Inventors:
Johannes Hakulinen, Tampere, FI;
Juha Piispanen, Tampere, FI;
Sirpa Launis, Tampere, FI;
Jussi Huhtanen, Tampere, FI;
Assignee:
Sandvik Mining and Construction Oy, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 12/06 (2006.01); E21B 7/02 (2006.01); E21B 19/08 (2006.01);
U.S. Cl.
CPC ...
E21B 7/025 (2013.01); E21B 12/06 (2013.01); E21B 19/08 (2013.01);
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.