Patent ID: 6607059
Filing Date: 2003-08-19
Classification: F16D,F16H

Abstract:
Screw actuator, comprising a screw (1) and a nut (2) which are each provided with at least a helical groove (3, 4), and a series of rollers or balls (5) which are in rolling contact with said grooves (3, 4), a sleeve (6) is provided which surrounds the nut (2) at least partly, characterised in that the sleeve (6) carries a first seal (7) which acts between the nut (2) and screw (1), wherein the nut (2) is provided with at least one radially oriented through-going aperture (11) comprising an insert (12) that moves the balls (5) between axially adjacent parts of the groove (3, 4), and wherein the sleeve (6) retains said insert (12) within said aperture (11).