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:
Jul. 22, 1997
Filed:
Aug. 23, 1996
Applicant:
Inventors:
Joachim Bruns, Lichtenwald, DE;
Joachim Graf, Pfaffenhofen, DE;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B25B / ;
U.S. Cl.
CPC ...
7386221 ; 73862191 ; 73862321 ; 81 5731 ; 81467 ;
Abstract
A motor driven screwdriver has a drive train including a driving shaft, a driven shaft, and a planetary transmission arranged between the shafts, a measuring value transducer located in the drive train for determining a torque transmitted in the drive train, the measuring value transducer having a torsion shaft which transmits the drive torque, the torsion shaft being formed as a part of the driven shaft, and the driven shaft having an end which faces the planetary transmission and carries planetary gears of the planetary transmission.