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:
Feb. 14, 2017
Filed:
Apr. 09, 2013
Applicant:
Guehring Ohg, Albstadt, DE;
Inventors:
Bruno Teusch, Esslingen, DE;
Hakki Aygün, Krauchenwies, DE;
Assignee:
Guehring OHG, Albstadt, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B 31/30 (2006.01); B23B 31/117 (2006.01); B23B 31/20 (2006.01);
U.S. Cl.
CPC ...
B23B 31/30 (2013.01); B23B 31/1178 (2013.01); B23B 31/204 (2013.01); B23B 31/305 (2013.01); B23B 2231/04 (2013.01); B23B 2231/54 (2013.01); B23B 2260/026 (2013.01); Y10T 279/1021 (2015.01); Y10T 279/1249 (2015.01);
Abstract
The invention relates to a hydraulic expansion chuck () with a hydraulic expansion mechanism () that is integrated into a chuck body () and exhibits an expansion bushing () with a continuous cylindrical interior wall, and to a reducing bushing () arranged in the expansion bushing () for accommodating a shank tool (W), in particular a tap drill. According to the invention, the outer circumference of the reducing bushing () is positively connected with the chuck body () in a torque-proof manner, and its inner circumference is designed to be positively connected with the shank tool (W) in a torque-proof manner.