Patent ID: 7708084
Filing Date: 2010-05-04
Classification: B25D,B25F

Abstract:
1. A portable power drill or drill hammer, comprising a housing composed of half-shells; a shiftable change-speed gear received in said housing and having a manually hand-rotatable selector element which converts a rotary motion into a shifting motion, said selector element having a circular shell-shaped outer handle part which is joinable with a further circular shell-shaped inner selector part so as to be sealed from outside and inside relative to one of said half shells, said inner selector part having a spring element which is configured as a leaf spring arranged in a form-locking fashion in said inner selector part, so that said leaf spring overlaps said selector part at both sides and is supported with both overlapping ends inside on said one half-shell, wherein said handle part and said selector part are supported outwardly and inwardly on said one semi-shell and screwed with one another, further comprising a sealing ring which is braced between an edge of said inner selector part and an inner wall of said one semi-shell axially in a position-secured manner.