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:
Apr. 12, 2011
Filed:
Feb. 13, 2009
Applicants:
David Pozgay, Evanston, IL (US);
Charlie Ren, Chicago, IL (US);
Jeff Schreiner, Milwaukee, WI (US);
Inventors:
Assignee:
Robert Bosch GmbH, Stuttgart, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 15/00 (2006.01); B27C 5/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power tool comprises a base unit and a motor unit. The base unit includes a handle and a first electrical connector. The motor unit includes an electric motor and a second electrical connector. The motor unit is configured to be releasably connected to the base unit. An electrical connection is established between the first electrical connector and the second electrical connector when the motor unit is properly connected to the base unit. A sensor is configured to determine whether the motor unit is properly connected to the base unit.