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:
Aug. 21, 2007
Filed:
May. 11, 2004
Karl Frauhammer, Leinfelden-Echterdingen, DE;
Heinz Schnerring, Dettenhausen, DE;
Willy Braun, Neustetten, DE;
Axel Kuhnle, Freiberg A. N., DE;
Karl Frauhammer, Leinfelden-Echterdingen, DE;
Heinz Schnerring, Dettenhausen, DE;
Willy Braun, Neustetten, DE;
Axel Kuhnle, Freiberg A. N., DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A hand power tool selected from the group consisting of a drill hammer and an impact hammer has an exchangeable tool holder, a guide pipe which receives the tool holder at its free end, a locking device arranged on the guide pipe and operative manually for fixing the tool holder on the guide pipe in a defined locking position assumed by the tool holder on the guide pipe, so that the locking position is arranged before a mounting position in a displacement direction of the tool holder, in which mounting position the tool holder is held unlocked on the guide pipe, the locking device being provided with means activatable by a release of the locking device and providing a displacement of the tool holder to the mounting position.