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. 18, 2007
Filed:
Jun. 20, 2003
Werner Kleine, Achim, DE;
Hans-werner Bongers-ambrosius, Laupheim, DE;
Josef Obermeier, Peiting, DE;
Werner Britten, Landsberg, DE;
Werner Kleine, Achim, DE;
Hans-Werner Bongers-Ambrosius, Laupheim, DE;
Josef Obermeier, Peiting, DE;
Werner Britten, Landsberg, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A shank for a rotary and percussive tool has a locking groove () arranged between two guided regions () and axially closed at its opposite ends for receiving at least one radially displaceable and axially displaceable, within predetermined limits, locking member () of a chuck in which the shank is received, with the guide dimension (F) of the guide region being smaller than the width (B) of the axial region (A) of the locking groove () and that includes the radial extent of an entrain strip () provided in that region (A), and greater than the thickness (D) of the axial region measured in a direction transverse to the width measurement direction.