Electric manual machine tool driven by an electric motor

A hand power tool that is driven via an electric motor ( 20 ), the electric motor ( 20 ) having a commutator ( 28 ) which is formed of disklike annular segments or laminations ( 32 ), is made more secure against contact spark development by providing that at least one of the laminations ( 32 ) has a...

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Bibliographic Details
Main Author LAMPRECHT JUSTUS
Format Patent
LanguageEnglish
Published 10.11.2005
Edition7
Subjects
BASIC ELECTRIC ELEMENTS
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
CURRENT COLLECTORS
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
LINE CONNECTORS
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Summary:A hand power tool that is driven via an electric motor ( 20 ), the electric motor ( 20 ) having a commutator ( 28 ) which is formed of disklike annular segments or laminations ( 32 ), is made more secure against contact spark development by providing that at least one of the laminations ( 32 ) has at least one central recess ( 42, 44, 46 ).
Bibliography:Application Number: US20050520432