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:
Aug. 05, 2014
Filed:
Mar. 05, 2012
Andreas Stimpfle-ziegler, Kuehbach, DE;
Andreas Stimpfle-Ziegler, Kuehbach, DE;
Bauer Maschinen GmbH, Schrobenhausen, DE;
Abstract
The invention relates to a drill rod having at least two rod elements, which are connected to each other in a rotationally fixed and detachable manner, wherein the rod elements each have an inner pipe and an outer pipe, between which a ring-shaped receiving space is formed, the rod elements each have an energy and/or data line, which extends along a longitudinal axis of the drill rod, and the energy and/or data lines of the rod elements are each connected to an induction coil, wherein the induction coils can be coupled to each other inductively for energy and/or data transmission along the drill rod. A first rod element has an inner induction coil located at an outer circumference of its inner pipe and a second rod element has an outer induction coil located at an inner circumference of its outer pipe.