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. 13, 2009
Filed:
Apr. 04, 2007
Thomas Raff, Dettenhausen, DE;
Marcin Rejman, Waiblingen, DE;
Daniel Hirt, Kirchentellinsfurt, DE;
Josef Baumgartner, Stuttgart, DE;
Thomas Raff, Dettenhausen, DE;
Marcin Rejman, Waiblingen, DE;
Daniel Hirt, Kirchentellinsfurt, DE;
Josef Baumgartner, Stuttgart, DE;
Robert Bosch GmbH, Stuttgart, DE;
Abstract
A system for electrically coupling an electrical supply unit for cordless electrical devices, hand-held power tools in particular, with a charging device, with the electrical supply unit is located in a housing in which at least one rechargeable battery that can be recharged using the charging device is located, and the electrical supply unit and the charging device each have at least a first and a second contact element, wherein the first and second contact elements of the electrical supply unit interact with the first and second contact elements of the charging device such that the charging procedure takes place only when the electrical supply unit is in a defined end position in the charging device.