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:
Oct. 11, 2005
Filed:
Dec. 12, 2002
Horst Rahmsdorf, Munich, DE;
Gerd Daubinger, Munich, DE;
Felix Ferlemann, Hückeswagen, DE;
Hilti Aktiengesellschaft, Schaan, LI;
Abstract
A screw driving device () for a hand tool drilling device () includes a screw magazine () for successive feeding of screws or bolts (), a feeder block () that can be axially displaced against the force of a feeder spring (), which at least partially supplies screws () during the back and forth reciprocating movement of the feeder block (), and a driving tool () that can be coupled rotationally in form locked manner with a screw head (), wherein the driving tool () axially moveably receives a rotatingly driven drilling tool () in a coaxial hollow inner space and is spring biased axially by a clutch spring () relative to the screw driving device in a rotation driver position X, in which a drilling tool tip () is axially spaced from the screw head () and is coupled rotationally form locked with the driving tool ().