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:
Feb. 23, 2016
Filed:
Dec. 04, 2012
Gerard Buvril, Bourget du Lac, FR;
Jean-paul Giraudeau, La Motte Servolex, FR;
Philipp Krebs, Nieuwegein, NL;
Sebastien Lecluse, Gruffy, FR;
Gerard Buvril, Bourget du Lac, FR;
Jean-Paul Giraudeau, La Motte Servolex, FR;
Philipp Krebs, Nieuwegein, NL;
Sebastien Lecluse, Gruffy, FR;
AKTIEBOLAGET SKF, Gothenburg, SE;
Abstract
The roller screw mechanism is provided with a screw including an external thread, with a nut arranged about and coaxial with said screw, the nut including an internal thread, and with a plurality of rollers inserted between the screw and the nut and each including an external thread engaging the external and internal threads of said screw and of said nut. The screw is axially moveable in relation to the rollers. The flanks of the thread of the screw have a concave profile in cross section.