Patent · US Active

Percussion unit

US9815160B2 · kind B2 · utility

13Cited by

8References

19Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Rainer Nitsche · Kirchheim, DE
Matthias Tauber · Bad Boll, DE
Antoine Vandamme · Gerlingen, DE
Gerd Schlesak · Tamm, DE
Helge Sprenger · Kornwestheim, DE
Carsten Diem · Ludwigsburg, DE
Wolfgang Fischer · Eppelheim, DE
Haris Hamedovic · Heubach, DE
Juergen Lennartz · Esslingen am Neckar, DE
Christian Bertsch · Markgröningen, DE
Mario Eduardo Vega Zavala · Schwieberdingen, DE
Achim Duesselberg · Kirchheim unter Teck, DE

Key dates

Filing date	Apr 24, 2013
Grant date	Nov 14, 2017
Priority date	—
Expiry date	Jun 27, 2034

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB25D2250/221
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

A percussion unit for a rotary hammer and/or percussion hammer includes a control unit that is configured for open-loop and/or closed loop control of a pneumatic percussion mechanism. In at least one operating state in which the control unit changes from an idle mode to a percussion mode, the control unit is configured to adjust at least one operating parameter temporarily to a starting value.

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