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:
Sep. 05, 2006
Filed:
Oct. 13, 2004
Anton Neumaier, Fürstenfeldbruck, DE;
Anton Neumaier, Fürstenfeldbruck, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
An electrically powered, hand-held screw driver () has a housing (), a depth stop () arranged on this housing (), a drive motor (), an axially displaceable tool spindle () operatively coupled with a tool holder (), and a torque coupling () arranged between the drive motor () and tool spindle () and which has a motor-side coupling part () and a tool-side coupling part () connected to the tool spindle () so as to be fixed with respect to rotation relative to it. The two coupling parts () can be made to engage with one another and the tool spindle () is biased away from the motor-side coupling part () by means of a coupling spring (). The tool-side coupling part () has axial movement play (a) relative to the tool spindle () and is mechanically coupled with a movement transmitter that is separate from the coupling spring ().