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:
May. 16, 2006
Filed:
Apr. 22, 2003
Jerome Dubus, La Motte Servolex, FR;
Christian Boch, Chambery, FR;
Peter K. Hayward, Buckinghamshire, GB;
Jerome Dubus, La Motte Servolex, FR;
Christian Boch, Chambery, FR;
Peter K. Hayward, Buckinghamshire, GB;
Transrol, Chambery, FR;
Abstract
Actuating device comprising a longitudinal shaft (), an intermediate tailstock spindle (), an outside sleeve (), internal thread means () making it possible to connect the longitudinal shaft and the intermediate tailstock spindle to generate an axial movement of one with respect to the other, external thread means () making it possible to couple the intermediate tailstock spindle and the outside sleeve and suitable for generating an axial movement of one with respect to the other, the said internal coupling means comprising internal roller elements () engaged on the one hand with the external and internal threads of the intermediate tailstock spindle and/or the said external coupling means comprising external roller elements () engaged on the one hand with the external thread of the intermediate tailstock spindle and the internal thread of the outside sleeve and comprising coupling means making it possible to couple the shaft and the intermediate tailstock spindle or the intermediate tailstock spindle and the internal thread of the outside sleeve selectively while rotating.