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US 12,447,598 B2Granted
Hand-held machine tool comprising a spacer element
AssigneeRobert Bosch GmbH
InventorsTobias Herr, Jens Blum
Life of this patent
Estimating the term…
Abstract
The disclosure relates to a hand-held machine tool comprising a tool receptacle and a housing, in which a drive motor having a motor shaft and a transmission are arranged. The transmission is arranged in a transmission housing, and wherein a spacer element is arranged between the transmission and the drive motor, which spacer element comprises a disc-shaped base body on which a tubular mounting portion is formed for mounting on the motor shaft, said spacer element forming a seal, in particular a labyrinth seal.
Claims9
A hand-held machine tool comprising:
- a tool receptacle;
- and
- a drive motor having a motor shaft;
- a transmission;
- and
- a housing in which the drive motor and transmission are arranged,
- wherein:
- the transmission is arranged in a transmission housing,
- a spacer element is arranged between the transmission and the drive motor, the spacer element comprising a disc-shaped base body on which a tubular mounting portion is arranged, the mounting portion designed for mounting on the motor shaft,
- the spacer element forms a labyrinth seal,
- the transmission comprises an intermediate shaft which forms a pot-shaped receptacle, and
- at least portions of the mounting portion are arranged in the pot-shaped receptacle.
9 more elements
Dependencies are inferred from the claim text.