Patent · US Active

Hand tool machine device

US9844869B2 · kind B2 · utility

8Cited by

21References

8Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Andre Ullrich · Echterdingen, DE
Holger Froehling · Stuttgart, DE

Key dates

Filing date	Jan 3, 2013
Grant date	Dec 19, 2017
Priority date	—
Expiry date	Sep 10, 2034

Classification

Technology area (CPC H)Electricity
CPC primaryH02K9/06
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.