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Small electric appliance with a drive mechanism for generating an oscillatory motion
   
Document Number
US Patent 7015602
Issued Date
March 21, 2006
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Abstract
A small electric appliance with a drive mechanism for generating an oscillatory motion of at least one working unit of the small electric appliance. The drive mechanism has a first drive component, a second drive component and a coil for producing a magnetic field that extends from the first drive component and acts on the second drive component that is movably arranged in the small electric appliance, in such a way that the second drive component is set in an oscillatory motion. The first drive component is movably arranged in the small electric appliance in order to execute an oscillatory motion in phase opposition to the second drive component. The mass centers of gravity of the first drive component and the second drive component, including parts co-moving with the first drive component or the second drive component, move on a common straight line.
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Number of Claims:
20
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Owner
Braun GmbH (Kronberg,DE)
Published
March 21, 2006
Application Number
11/078,071
Filed
March 11, 2005
US Classification
310/36   310/38 310/47
Int'l Classification
H02K   33/02   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
Parent Case
RELATED APPLICATIONS This application is a continuation of PCT application number PCT/EP03/09155, filed Aug. 19, 2003, which claims priority from German application serial no. 102 42 092.0, filed Sep. 11, 2002. The entire contents of the above PCT application are herein incorporated by reference.
Priority Data
Sep 11, 2002 [DE] 102 42 092
USPTO Field of Search
310/36   310/47   310/38  
Related Patents
7504751 - Small electric appliance with a drive mechanism for generating an oscillatory motion - Owned by Braun GmbH (Kronberg,DE)

A small electric appliance with a drive mechanism for generating an oscillatory motion of at least one working unit of the small electric appliance. The drive mechanism has a first drive component, a second drive component, and a coil for producing a magnetic field that extends from the first drive component and acts on the second drive component that is movably arranged in the small electric appliance, in such a way that the second drive component is set in an oscillatory motion. The first drive component is movably arranged in the small electric appliance in order to execute an oscillatory motion in phase opposition to the second drive component, and the drive mechanism is fastened to the small electric appliance by means of at least one first spring element.

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Description
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