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:
Jul. 24, 2018
Filed:
Jan. 27, 2014
Applicant:
Atlas Copco Rock Drills Ab, Orebro, SE;
Inventors:
Per Jonsson, Orebro, SE;
Fredrik Saf, Vintrosa, SE;
Assignee:
Epiroc Rock Drills Aktiebolag, Orebro, SE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16B 35/00 (2006.01); E21B 1/00 (2006.01); B25F 5/02 (2006.01);
U.S. Cl.
CPC ...
F16B 35/005 (2013.01); B25F 5/02 (2013.01); E21B 1/00 (2013.01);
Abstract
Herein a bolt () comprising an elongated body () with a central axis (C) is described. The elongated body () is in a first end () provided with a first thread () and in a second end () with a second thread (). An intermediate part () of the elongated body () is provided with a collar (). The collar () is provided with at least one first flat surface (), which first flat surface () extends substantially in parallel with the central axis (C). Further, a rock drill comprising housing parts held together by at least one bolt () is described.