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. 23, 2005
Filed:
May. 08, 2003
Georg Braml, Landsberg, DE;
Ernst-rudolf Lübkert, Landsberg, DE;
Georg Braml, Landsberg, DE;
Ernst-Rudolf Lübkert, Landsberg, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A turning-pivoting commutating rotary switch () with brush guides () for reversing the direction of rotation of a universal motor, which has two stator contacts () each making contact with a contact rail () running partially peripherally at at least one contact point (), which are conducting connected with the two diametrically opposing brush guides (), wherein a contact rail () with two contact points () extends over at least a half periphery and wherein both stator contacts (), at which at least one contact point () can be rotatably switchable at a contact rail () running partially peripherally, are arranged on only one side of the stator ().