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. 29, 2015
Filed:
Feb. 15, 2013
Applicant:
Hilti Aktiengesellschaft, Schaan, LI;
Inventors:
Jens Schneider, Feldkirch, AT;
Karsten Brandenburg, Feldkirch-Tisis, AT;
Zsolt Kosa, Kecskemet, HU;
Lajos Toth, Kecskemet, HU;
Assignee:
HILTI AKTIENGESELLSCHAFT, Schaan, LI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 17/02 (2006.01); B25D 3/00 (2006.01);
U.S. Cl.
CPC ...
B25D 17/02 (2013.01); B25D 3/00 (2013.01); B25D 2250/211 (2013.01); B25D 2250/305 (2013.01);
Abstract
A chisel according to the present technology has a reduced tendency to jam in a substrate. The chisel is on an axis in the striking direction with successively a striking surface, a shank, a spreading element and a tip. The spreading element has multiple ribs around the axis extending along the axis. The ribs each have a wave shape formed through a tangential deflection with respect to the axis.