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Battery-driven screwdriver
 
   
Document Number
US Patent 7456608
Issued Date
November 25, 2008
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Inventors
Kageler; Sven (Leinfelden-Echterdingen,DE)
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Abstract
A cordless screwdriver having a housing (12, 18), having a handle (14), in particular one that is angled in pistol fashion, having a preferably permanently installed rechargeable battery (40), having charging contact tabs (37) for charging the rechargeable battery (40), and having an output spindle (20) is always ready for use and can be picked up quickly because it has a lithium-ion (Li-ion) cell as its rechargeable battery (40) and can be placed onto a charging cradle (22) for an unlimited amount of time, in particular during pauses between uses; the charging mode is automatically initiated and in it, the cordless screwdriver (40), with regard to its output spindle (20), is positioned on the charging cradle (22) so that it is inclined, in particular by approximately 30-45.degree., in relation to the perpendicular and the end of the output spindle (20) points downward.
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Number of Claims:
18
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Owner
Robert Bosch GmbH (Stuttgart,DE)
Published
November 25, 2008
Application Number
10/550,714
Filed
July 24, 2004
US Classification
320/114   307/64
Int'l Classification
H02J   7/00   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Priority Data
Sep 29, 2003 [DE] 103 45 135
USPTO Field of Search
320/114   307/64  
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