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. 15, 2008
Filed:
Nov. 17, 2004
Sverker Hartwig, Täby, SE;
Sverker Hartwig, Täby, SE;
Atlas Copco Rock Drills AB, Orebro, SE;
Abstract
A boring rig () for underground boring for excavating purposes and including a substructure (), a propulsion device, a stabilizing device (), and a boring unit () having a cutter head () and a rotation and forcing device (), in which the rig has a first direction of general travel and two sideways directions, and in which the boring unit () is pivotally attached to the substructure for pivotal movement of the boring unit into an operating direction. The stabilizing device includes horizontal () and vertical () stabilizing elements that are attached to the substructure () in order, in active positions, to be pressed against an adjacent rock face so as to transmit forces from the boring unit (), that are occurring during boring, to the rock face.