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US 2014/0182870 A1Published application
Handheld tool device
AssigneeRobert Bosch GmbH
InventorTobias HERR
Life of this patent
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Abstract
A handheld tool apparatus having a tool guidance unit, which has a tool spindle and a tool chuck, and having an impact mechanism which has a striker that in at least one operating state percussively drives the tool guidance unit. It is provided that a mass of the striker be at maximum two thirds as great as a mass of the tool guidance unit.
Claims20
A handheld tool apparatus, comprising:
- a tool guidance unit having a tool spindle and a tool chuck;
- and
- an impact mechanism having a striker that in at least one operating state percussively drives the tool guidance unit, wherein a mass of the striker is at maximum two thirds as great as a mass of the tool guidance unit.
A handheld tool, comprising:
- a handheld tool apparatus, including:
- a tool guidance unit having a tool spindle and a tool chuck;
- and
- an impact mechanism having a striker that in at least one operating state percussively drives the tool guidance unit, wherein a mass of the striker is at maximum two thirds as great as a mass of the tool guidance unit.
1 more element
Dependencies are inferred from the claim text.