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:
Jan. 04, 2011
Filed:
Sep. 27, 2005
Jan Haglund, Karlskoga, SE;
Jan Haglund, Karlskoga, SE;
Atlas Copco Rock Drills AB, Orebro, SE;
Abstract
Sleeve arrangement for a drill rig, especially adapted for damping sound and sealing to the ground, said drill rig comprising a feed beam () having a drill end () and a rear end (), said feed beam () comprising a first and a second part () near the drill end (), the first part () being fixed in relation to the feed beam (,) and the second part () being movable in relation to the feed beam () in a longitudinal direction. The invention is characterized in that said sleeve arrangement comprises a first flexible element () attached to the first part (), and a second flexible element () attached to the movable second part (), such that said first and second flexible elements () are movable in relation to each other, wherein said second flexible element () is capable of taking an upper and a lower position, as well as all positions there between.