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. 17, 2004
Filed:
Jul. 06, 2001
Hendrikus Jan Kapaan, Nieuwegein, NL;
Thomas Wilhelm Fucks, Röthlein, DE;
Jiri Gurka, Behamberg, AT;
Jérôme Dubus, La Motte Servolex, FR;
Christian Boch, Chambéry, FR;
Clair Druet, Drumettaz Clarafond, FR;
Asbjorn Bundgart, Soborg, DK;
Alberto Visconti, Varese, IT;
SKF Engineering & Research Centre B.V., Nieuwegein, NL;
Abstract
A screw actuator comprises a nut and a screw each comprising helical grooves, said nut and screw engaging each other by rollers or balls which are in contact with said grooves, a lubricant being provided for the grooves and rollers or balls. Integrated in the actuator is a module, which is connected to at least the helical grooves of the nut and/or screw for replenishing the lubricant for the grooves and rollers or balls of the actuator.