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:
Jun. 03, 2025
Filed:
Dec. 15, 2020
Centre Technique Des Industries Mecaniques, Senlis, FR;
Ecole Nationale Superieure D'arts ET Metiers (Ensam), Paris, FR;
Ugo Masciantonio, Proville, FR;
George Moraru, Aix-en-Provence, FR;
Abstract
A machining spindle that includes a tool-holder shaft (), a first actuator connected to a coupling member () slidably connected to a first section () of the shaft to rotate the shaft, a second actuator connected to a nut helically connected to a second section () of the shaft to move the shaft axially and a control rod () of a tool-holder attachment system connected to the second section by a full connection. The spindle includes a locking arrangement () mounted movable between the first and second sections by a switchover arrangement (), between a first position in which the first and second sections are in full connection and a second position allowing axial movement of the second section relative to the first section, enabling the control rod to be moved axially under the action of the second actuator to control the attachment system in a released position of the tool holder.