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:
Jun. 06, 2006
Filed:
Jul. 16, 2003
Till Cramer, Feldkirch, AT;
Reinhard Bertsch, Nenzing, AT;
Peter Mugg, Feldkirch-Tosters, AT;
Hanspeter Schad, Grabs, CH;
Till Cramer, Feldkirch, AT;
Reinhard Bertsch, Nenzing, AT;
Peter Mugg, Feldkirch-Tosters, AT;
Hanspeter Schad, Grabs, CH;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A concrete drill for a rotary and percussively driven hand tool machine with a cutting part () and a striking part () that is axially and limited displaceable relative to the cutting part (). Each of the cutting part () and the striking part () have a respective facial surface work area for machining a bore hole surface. The respective facial surface work area of the cutting part () and the striking part () radially overlap upon rotation of the concrete drill.