Patent · US Active

Device for clamping a tool

US8943870B2 · kind B2 · utility

3Cited by

16References

24Claims

0Family size

Assignee

WILA B.V. · NL

Inventors

Franciscus Wilhelmus Rouweler · Arnhem, NL
Jan Oke Peters · Hamburg, DE
Jan Holterman · Borne, NL

Key dates

Filing date	Nov 11, 2009
Grant date	Feb 3, 2015
Priority date	—
Expiry date	Jan 18, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB21D5/0236
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

Disclosed is a clamping device for clamping a tool, which includes a part receiving the tool, an actuated member and an engaging member to be brought into contact with the tool. The clamping device is further provided with a transmission placed between the actuated member and the engaging member. The actuated member can be pneumatically or electrically driven, and includes for instance a pneumatic jack, an electric motor or a piezoelectric element or an electromagnet. The actuated member can also be hydraulically driven. The transmission can include a wedge-shaped member or a lever. The clamping device can be self-braking.

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