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:
Nov. 19, 2002
Filed:
Jun. 25, 2001
Dirk Prust, Tuttlingen, DE;
Rudolf Haninger, Seitingen-Oberflacht, DE;
Chiron-Werke GmbH & Co. KG, Tuttlingen, DE;
Abstract
A spindle ( ) is arranged in a machine tool, said spindle ( ) having an axis ( ), a receptacle arranged in the axis ( ) and provided for receiving a shaft of a tool holder ( ), and a clamping mechanism for axial fixation of the shaft in the receptacle, the clamping mechanism comprising an axially movable clamping arbor ( ) with a circumference, at least one segment ( ) arranged at said circumference and having at least a first and a second radial operation position, whereby said at least one segment ( ) fixes said shaft positively in said receptacle, when being in the first radial operation position, first guiding means acting between the clamping arbor ( ) and the at least one segment ( ) such that upon axial movement of the clamping arbor ( ) the at least one segment ( ) is radially transferred between said first and second radial operation positions, and second guiding means arranged for holding said at least one segment ( ) in the defined way when being in said second radial operation position or in any interposition between said first and said second radial operation positions.