The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 01, 2008
Filed:
Dec. 03, 2007
Josef Greif, Friesenried, DE;
Wolfgang Bechteler, Biessenhofen, DE;
Josef Greif, Friesenried, DE;
Wolfgang Bechteler, Biessenhofen, DE;
Ott-Jakob GmbH & Co. Spanntechnik KG, Lengenwang, DE;
Abstract
The invention relates to a clamping device for clamping a tool (), or tool holder in a working spindle (), in particular, of a machine tool, comprising a drawbar (), arranged to be displaced within the working spindle (), a clamping set (), arranged in the working spindle () and displaceable between a clamping position and a released position by means of the drawbar (), a spring arrangement () provided for the drawbar () to generate the drawing force for the clamping set () and a releasing unit (), by means of which the clamping set () may be moved into the released position by the drawbar () against the force of the spring arrangement (). According to the invention, a simplified operation of the clamping device may be achieved, whereby the releasing unit () may be operated by an electrical actuator ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile