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:
Aug. 30, 2016
Filed:
Feb. 06, 2014
Applicant:
Sandvik Mining and Construction Oy, Tampere, FI;
Inventor:
Ilmo Pyörny, Tampere, FI;
Assignee:
SANDVIK MINING AND CONSTRUCTION OY, Tampere, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 19/16 (2006.01); E21B 7/02 (2006.01); E21B 15/04 (2006.01); E21B 19/15 (2006.01); E21B 19/20 (2006.01);
U.S. Cl.
CPC ...
E21B 19/16 (2013.01); E21B 7/025 (2013.01); E21B 15/04 (2013.01); E21B 19/15 (2013.01); E21B 19/20 (2013.01);
Abstract
A rock drilling unit and a method of changing drill rods in a rock drilling unit is disclosed. The rock drilling unit includes a feed beam, a retainer device, a rock drilling machine and at least one clamp. The clamp is operable without driving force of the drilling unit. The clamp has a space for receiving one single drill rod. The clamp is positioned at a side position, which is parallel to a drilling axis and is at a transfer distance from the drilling axis.