Hand-held power tool
AssigneeRobert Bosch GmbH
InventorsMarcus Schuller, Rainer Britz, Simon Erbele
Life of this patent
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Abstract
A hand-held power tool includes a housing, a drive motor, an intermediate shaft that can be driven by the drive motor, and a percussion mechanism. The percussion mechanism has a striker and at least one percussion mechanism spring which is connected to the striker in a rotationally fixed manner, and the percussion mechanism can be driven at least in part by the intermediate shaft. The hand-held power tool further includes a tool holder, which is configured for holding an insert tool, and can be driven by means of the percussion mechanism, in particular the striker and/or the intermediate shaft. The intermediate shaft includes at least one bearing, and the percussion mechanism spring is connected to the bearing in a rotationally fixed manner.
Claims13
A hand-held power tool comprising:
- a housing;
- a drive motor;
- an intermediate shaft driven by the drive motor;
- a percussion mechanism comprising a striker and at least one percussion mechanism spring which is connected and rotationally-fixed to the striker, the percussion mechanism configured to be driven at least in part by the intermediate shaft;
- and
- a tool holder configured to receive an insert tool, the tool holder configured to be driven by the percussion mechanism,
- wherein the intermediate shaft comprises at least one bearing that includes a fastening element with a circumferential web surrounding the intermediate shaft,
- wherein the percussion mechanism spring includes a circumferential perimeter surrounding the intermediate shaft, and
- wherein the circumferential perimeter of the percussion mechanism spring forms a press-fit connection with said circumferential web of the fastening element of the bearing in a rotationally fixed manner.
Dependencies are inferred from the claim text.