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:
Jun. 26, 2007
Filed:
Aug. 04, 2005
Applicants:
Thomas Scholl, Reutlingen, DE;
Oliver Greese, Filderstadt, DE;
Inventors:
Thomas Scholl, Reutlingen, DE;
Oliver Greese, Filderstadt, DE;
Assignee:
C. & E. Fein GmbH, , DE;
Primary Examiner:
Int. Cl.
CPC ...
B25B 23/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A power screwdriver is disclosed having a drive which is coupled via a clutch, disengaging as a function of torque, to a tool drive shaft for driving a tool. The screwdriver comprises an electronic control unit for controlling the drive, and a sensor which is coupled to the electronic control unit in order to switch off the drive when the clutch responds. The electronic control unit is designed for activating the drive with a certain output, preferably with a reduced output, for a limited time after switch-off.