Patent · US Active

Hand-held machine tool

US8490715B2 · kind B2 · utility

7Cited by

13References

7Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Uwe Engelfried · Esslingen am Neckar, DE
Andre Ullrich · Echterdingen, DE
Richard Engel · Bad Schandau, DE
Tobias Herr · Stuttgart, DE

Key dates

Filing date	Feb 5, 2008
Grant date	Jul 23, 2013
Priority date	—
Expiry date	Jul 9, 2028

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/301
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a hand-held machine tool, in particular a hammer drill and/or chipping hammer. The tool according to the invention has a transmission device with a drive bearing that has at least one torque-transmitting means with a transmitting contour for transmitting a torque onto the drive bearing. According to the invention, the transmitting contour of the torque-transmitting means is produced by axial machining and/or a stamping and/or planning process.

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