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US 2023/0405785 A1Published application
Mobile power tool and method
AssigneeHilti Aktiengesellschaft
InventorsJens KONDRATIUK, Phillip LORENZ, Balasubramaniam VENGUDUSAMY, Stefan SEEMEYER
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Abstract
A mobile power tool comprising a drive unit is disclosed. The drive unit has an aqueous lubricant and/or the drive unit is set up for operation with the aqueous lubricant, wherein, before the start of a running-in phase of the drive unit, a bond roughness sigma of two interacting contact surfaces of the drive unit is greater than 0.01 μm, preferably at least 0.1 μm.
Claims20
A mobile power tool comprising a drive unit,
- wherein the drive unit has an aqueous lubricant and/or in that the drive unit is set up for operation with the aqueous lubricant, wherein, before the start of a running-in phase of the drive unit, a bond roughness sigma of two interacting contact surfaces of the drive unit is greater than 0.01 μm.
Dependencies are inferred from the claim text.