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:
Dec. 22, 2009
Filed:
Aug. 29, 2006
Applicants:
Dietmar Saur, Gomaringen, DE;
Helmut Heinzelmann, Stuttgart, DE;
Inventors:
Dietmar Saur, Gomaringen, DE;
Helmut Heinzelmann, Stuttgart, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25D 17/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hand-held drill hammer has a housing, a shaft () connected to a drive shaft (), and a lifting bearing (). The lifting bearing () is supported and the shaft () for converting rotary motion into a reciprocating motion. In a first switching configuration, a percussion drive connection exists between the shaft () and the lifting bearing (). In a second switching configuration, the percussion drive connection is interrupted. The lifting bearing () may be fixed with respect to a reference system of the housing in the second switching configuration.