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:
Jan. 08, 2019
Filed:
Mar. 06, 2015
Applicant:
Roehm Gmbh, Sontheim/Brenz, DE;
Inventor:
Peter Schenk, Niederstotzingen, DE;
Assignee:
Roehm GmbH, Sontheim/Brenz, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 31/12 (2006.01); B21H 7/14 (2006.01); B23B 27/24 (2006.01);
U.S. Cl.
CPC ...
B23B 31/1238 (2013.01); B21H 7/14 (2013.01); B23B 27/24 (2013.01); B23B 2226/61 (2013.01); B23B 2231/28 (2013.01); B23B 2231/40 (2013.01); B23B 2260/09 (2013.01); Y10S 279/902 (2013.01); Y10T 279/17632 (2015.01); Y10T 279/32 (2015.01);
Abstract
A drill chuck having a chuck body, having a clamping sleeve with a conical basic shape that can rotate about the chuck axis of the chuck body, by the rotation of which clamping sleeve a plurality of clamping jaws can be moved relative to the clamping body. The clamping sleeve is made in two parts, having a conical, metallic outer sleeve, having a conical, inner sleeve made of plastic, wherein the outer sleeve has a cylindrical subsection on its inner circumference for radial centering of the outer sleeve on the inner sleeve. A clamping sleeve and a method for producing knurling on the clamping sleeve are also provided.