Hand-held tool comprising a shaft and a lifting bearing...

Details Hand-held tool comprising a shaft and a lifting bearing... Hand-held tool comprising a shaft and a lifting bearing...

2006-08-29

2009-12-22

Durand, Paul R. (Department: 3721)

Tool driving or impacting

Drive adjustable to completely change kind of drive

C173S109000, C173S200000, C173S201000

Reexamination Certificate

active

07635032

ABSTRACT:
A hand-held drill hammer has a housing, a shaft (12) connected to a drive shaft (30), and a lifting bearing (14). The lifting bearing (14) is supported and the shaft (12) for converting rotary motion into a reciprocating motion. In a first switching configuration, a percussion drive connection exists between the shaft (12) and the lifting bearing (14). In a second switching configuration, the percussion drive connection is interrupted. The lifting bearing (14) may be fixed with respect to a reference system of the housing in the second switching configuration.

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