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:
Aug. 19, 2003
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;
Jacobus Zwarts, Nieuwegein, NL;
Albert Van Den Kommer, Nieuwegein, NL;
SKF Engineering and Research Centre B.V., Nieuwegein, NL;
Abstract
A screw actuator comprises a screw ( ) and a nut ( ) which are each provided with at least a helical groove ( ), and a series of rollers or balls ( ) which are in rolling contact with the grooves ( ). A sleeve ( ) is provided which surrounds the nut ( ) at least partly. The sleeve ( ) may carry a seal ( ) which acts between the nut ( ) and screw ( ); e.g. a wiper seal. The seal ( ) may be fixedly connected to the nut ( ), and frictionally engage the screw ( ).