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:
May. 21, 2019
Filed:
Dec. 14, 2016
Applicant:
Sandvik Mining and Construction Oy, Tampere, FI;
Inventors:
Jouni Koskinen, Tampere, FI;
Antti Pajunen, Tampere, FI;
Ilmo Pyorny, Tampere, FI;
Risto Haataja, Tampere, FI;
Timo Seppala, Tampere, FI;
Assignee:
Sandvik Mining and Construction OY, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/14 (2006.01); E21B 7/02 (2006.01); E21B 19/16 (2006.01); E21B 19/087 (2006.01); E21B 19/20 (2006.01);
U.S. Cl.
CPC ...
E21B 19/146 (2013.01); E21B 7/025 (2013.01); E21B 19/087 (2013.01); E21B 19/14 (2013.01); E21B 19/16 (2013.01); E21B 19/20 (2013.01);
Abstract
The disclosure relates to a changing device, rock drilling unit and a method of changing drill rods in rock drilling. The changing device includes a first drill rod station for receiving a second drill rod and a second drill rod station for receiving a third drill rod. The second drill rod station may be moved to the first drill rod station and the first drill rod station may be moved to drilling axis by moving the whole changing device in a transverse direction relative to a feed beam.