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:
Oct. 14, 2003
Filed:
Apr. 15, 2002
Guenther Berger, late of Notzingen, DE;
Roland Walz, Stuttgart, DE;
Peter Stierle, Waldenbuch, DE;
Ralph Dammertz, Stuttgart, DE;
Maria-Margareta Sulea, Leinfelden-Echterdingen, DE;
Stefan Heess, Filderstadt, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A power tool ( ), in particular an angle grinder, having a housing ( ) that receives an electric motor ( ) and a gear ( ), the motor ( ) having a rotor ( ) which is guided in rotor bearings ( ) and on one hand carries a collector ( ), which collector can be put into contact with a voltage source via carbon brushes ( ) supported in brush plates, is made sturdier and easier to install in that the housing ( ) comprises two longitudinally split housing shells ( ), and that the brush plates are part of a bearing bridge ( ) that carries both the rotor bearing ( ) and the carbon brushes ( ), and the bearing bridge ( ), in the guide region of the carbon brushes ( ), comprises plastic.