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:
Dec. 04, 2018
Filed:
Oct. 29, 2013
Atlas Copco Rock Drills Ab, Orebro, SE;
Per Jonsson, Orebro, SE;
Epiroc Rock Drills Aktiebolag, Orebro, SE;
Abstract
A device for a flushing head () of a rock drilling machine (), which includes a machine housing () and, inside a cylinder (), a to and fro moveable percussive piston () arranged to exert percussive action against a shank adapter (), wherein the shank adapter has symmetry axis () and a flushing medium channel () for co-operation with a flushing medium chamber () in the flushing head () surrounding the shank adapter (), said flushing head () being provided with a connection unit () for the connection to a flushing hose (). The flushing head () and the machine housing () exhibit co-operating fastening means and fastening elements () in line with a force direction of tensile forces (F) being exerted by the flushing medium hose () on the connection unit () for movability of the flushing head () in respect of the machine housing () in directions perpendicular to said symmetry axis (). The device also concerns a rock drilling machine including such a device.