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.

Date of Patent:
Feb. 21, 2023

Filed:

Jun. 11, 2018
Applicant:

Epiroc Rock Drills Aktiebolag, Örebro, SE;

Inventors:

Oskar Sjöholm, Örebro, SE;

Fredrik A. Andersson, Örebro, SE;

Per-Anders Kumlin, Västra Frölunda, SE;

Marcus Almqvist, Örebro, SE;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 7/02 (2006.01); E21D 9/10 (2006.01); B25D 17/28 (2006.01); E21D 20/00 (2006.01); E02F 3/30 (2006.01); F15B 11/16 (2006.01); E21C 25/02 (2006.01);
U.S. Cl.
CPC ...
E21B 7/025 (2013.01); B25D 17/28 (2013.01); E21D 9/102 (2013.01); E02F 3/306 (2013.01); E21C 25/02 (2013.01); E21D 20/003 (2013.01); F15B 11/16 (2013.01); F15B 2211/7135 (2013.01);
Abstract

A mining or construction vehicle comprising a boom extending in a first direction, which boom, via a first and a second rotation device, is connected to a hydraulic device arranged on a mounting device arranged at a free end of said boom, the first rotation device being arranged to provide a rotation around a first axis that is substantially parallel to the first direction, and a second rotation device being arranged to provide a rotation around a second axis that is arranged at an angle with respect to the first axis. Hydraulic conduits for supply of hydraulic fluid to said hydraulic device on said mounting device are arranged through at least one of the first and second rotation devices.


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