Hand-held tool comprising a shaft and a lifting bearing which is mounted on the shaft

A hand-held drill hammer has a housing, a shaft connected to a drive shaft, and a lifting bearing. The lifting bearing is supported and the shaft for converting rotary motion into a reciprocating motion. In a first switching configuration, a percussion drive connection exists between the shaft and t...

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Bibliographic Details
Main Authors Saur, Dietmar, Heinzelmann, Helmut
Format Patent
LanguageEnglish
Published 22.12.2009
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Summary:A hand-held drill hammer has a housing, a shaft connected to a drive shaft, and a lifting bearing. The lifting bearing is supported and the shaft for converting rotary motion into a reciprocating motion. In a first switching configuration, a percussion drive connection exists between the shaft and the lifting bearing. In a second switching configuration, the percussion drive connection is interrupted. The lifting bearing may be fixed with respect to a reference system of the housing in the second switching configuration.