Linear guide assembly with positively guided cage

US6155719A · kind A · utility

Assignee

• AKTIEBOLAGET SKF · SE

Inventors

• Ludwig Edelmann · Premich, DE
• Andreas Geyer · San Secondo di Pinerolo, IT
• Hermann Glockner · Schweinfurt, DE
• Georg Hierl · Schweinfurt, DE
• Holger Kristandt · Euerbach, DE
• Uwe Mayer · Schweinfurt, DE
• Henryk Velde · Werneck, DE
• Lothar Walter · Schweinfurt, DE

Key dates

• Filing date: Apr 7, 1999
• Grant date: Dec 5, 2000
• Expiry date: Apr 7, 2019

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/19981
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

Linear guide assembly comprising at least two guide rails, which are movable in the longitudinal direction with respect to each other having similarly shaped raceways, a plurality rolling elements, guided in a cage, at least one gear wheel connected to the cage for the positive guidance of the cage, which wheel engages in toothed racks or the like, each of which is connected to a guide rail, said gear wheel consisting of a disk, having an external circumference which is provided with uniformly distributed axial rolling elements, which project slightly beyond the disk, and wherein said recesses, correspond to the external shape of the rolling elements and into which the rolling elements can engage, are provided equal distances apart directly in the guide rails.