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. 22, 2019
Filed:
Jul. 16, 2010
Applicants:
Christian Wiedemann, Wiernsheim, DE;
Achim Duesselberg, Kirchheim Unter Teck, DE;
Inventors:
Christian Wiedemann, Wiernsheim, DE;
Achim Duesselberg, Kirchheim Unter Teck, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 11/00 (2006.01); B25D 11/12 (2006.01); B25D 16/00 (2006.01);
U.S. Cl.
CPC ...
B25D 11/125 (2013.01); B25D 16/003 (2013.01); B25D 2211/003 (2013.01); B25D 2250/165 (2013.01);
Abstract
A drill hammer and/or a chipper hammer device includes a hammer mechanism having a drive unit and a transmission unit. The transmission unit transmits a drive torque from a motor to the hammer mechanism. The transmission unit includes at least one planetary drive. A drive element of the drive unit is disposed on a transmission element of the planetary drive.