Patent · US Active

Clamping device

US8128101B2 · kind B2 · utility

3Cited by

8References

7Claims

0Family size

Assignee

SCHUNK GmbH &Co. KG Spann-und Greiftechnik · DE

Inventors

Thomas Retzbach · Bönnigheim, DE
Michael Haag · Nuremberg, DE

Key dates

Filing date	Nov 17, 2005
Grant date	Mar 6, 2012
Priority date	—
Expiry date	Apr 11, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T409/30952
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to a clamping device for clamping workpiece, which comprises a base in which a center holding fixture for the shank of a tool to be clamped and an annular damping cavity surrounding the fixture or a plurality of damping cavities arranged around the fixture and set off from each other are configured. Every damping cavity is open towards the front face of the chuck base facing the workpiece. The clamping device is characterized in that the open end of every damping cavity is at least partially closed by respective covers which are inserted into the respective damping cavity from the open front face and are fixed inside the damping cavity.

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