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:
May. 06, 2003
Filed:
Jul. 11, 2001
Udo Hauptmann, Landsberg a. Lech, DE;
Hanspeter Schad, Grabs, CH;
Martin Richter, Freising, DE;
Franz Popp, Buchloe, DE;
Josef Fünfer, Königsbrunn, DE;
Konrad Artmann, Wörthsee, DE;
Josef Bauer, Landsberg a. Lech, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A working tool for use with a percussion power tool and including a cushioning elongate stem ( ), and a head ( ) connected with the stem ( ) for joint rotation therewith and for a limited axial displacement relative thereto, with the tool head ( ) being adapted, with respect to its resistance associated with its cushioning properties, to characteristics of the percussion piston ( ) of the power tool and with the tool stem ( ) and the tool head ( ) having mutually abutting each other end surfaces ( ) which form at least a partially flat contact upon abutting each other.