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:
Mar. 24, 2015
Filed:
Apr. 17, 2012
Eric Allegri, Montmelian, FR;
Christophe Durand, Bassens, FR;
Jerome Dubus, La Riche, FR;
Romuald Lescorail, Saint Laurent en Gatines, FR;
Eric Allegri, Montmelian, FR;
Christophe Durand, Bassens, FR;
Jerome Dubus, La Riche, FR;
Romuald Lescorail, Saint Laurent en Gatines, FR;
Aktiebolaget SKF, Gothenburg, SE;
Abstract
Ball screw assembly comprising a screw () provided with an outer thread (); a nut () provided with an inner thread (); a series () of balls () able to circulate along a circulating path () between the screw and the nut, along which the balls are engaged in the threads thereof; and recirculating means () defining a recirculating channel () to carry balls from one end to the other end of said circulating path (); The recirculating channel () comprising a return channel () provided on the nut and, between the ends of this return channel and the corresponding ends of said circulating path, deflecting channels () which are defined respectively between surfaces () of deflecting elements () engaged in respective holes () of the nut () and local zones () of surfaces () of these respective holes.