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:
Jul. 03, 2012
Filed:
Feb. 12, 2007
Eugen Hild, Aichtal, DE;
Ulrich Bohne, Kohlberg, DE;
Eugen Hild, Aichtal, DE;
Ulrich Bohne, Kohlberg, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A tool holder for a hand-guided drilling device, in particular for a rotary hammer, includes a receiving sleeve that is designed as a single piece in particular and that is drivable in a rotating manner for a shank part of an insertion tool. The recess is open at both end faces and limited therebetween by an inner circumferential surface of the receiving sleeve. The inner circumferential surface () of the receiving sleeve () includes at least six flat circumferential surface sections (through) in the circumferential direction, with adjacent circumferential surface sections () forming an angle of 120 degrees.