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US 9,844,869 B2Granted
Hand tool machine device
AssigneeRobert Bosch GmbH
InventorsAndre Ullrich, Holger Froehling
Life of this patent
Estimating the term…
Abstract
A hand tool machine device with a drive unit comprising at least one drive shaft, a transmission unit including at least one transmission element, a cooling unit including at least one fan element, and at least one sealing element configured to seal the transmission unit in at least on axial direction. The at least one fan element includes at least one receiving region configured to at least partially receive the at least one sealing element.
Claims8
A hand power tool, comprising:
- a hand power tool device including:
- a drive unit having at least one drive shaft;
- a transmission housing having at least one opening;
- a transmission unit having at least one transmission element and a planetary gear, the at least one transmission element positioned in the at least one opening, and the planetary gear positioned in the transmission housing;
- a cooling unit having at least one fan element;
- and
- at least one sealing element contacting the transmission element and the transmission housing, and configured to seal the transmission unit in at least one axial direction,
- wherein the at least one fan element defines at least one receiving region configured to at least partially receive the at least one sealing element.
5 more elements
Dependencies are inferred from the claim text.