Linear guide device

US7604408B2 · kind B2 · utility

Assignee

• Bosch Rexroth Mechatronics GmbH · DE

Inventors

• Stefan Dorn · Hollfeld, DE
• Alfred Haub · Vilseck, DE

Key dates

• Filing date: Nov 15, 2006
• Grant date: Oct 20, 2009
• Expiry date: Jan 4, 2028

Classification

• Technology area (CPC F): Mechanical Engineering; Lighting; Heating
• CPC primary: F16C29/0611
• WIPO field: Mechanical elements
• WIPO sector: Mechanical engineering

Abstract

A linear guide device has a guide rail, a guide carriage having a rolling element recirculating channel, at least one endless row of rolling elements circulating in the rolling element recirculating channel and guiding the guide carriage on and along the rail, wherein the rolling element recirculating channel includes a load-bearing channel section and turnaround channel sections which connect the load-bearing channel section and a return channel section with each other, wherein the guide carriage includes substantially in a longitudinal region in the load-bearing channel section and the return channel section, a carriage body, end piece units provided on axially opposed ends of the carriage body, intermediate piece units located between the carriage body and the endpiece units, a groove element provided in the return channel section, which encloses rolling elements located in the return channel section around at least a portion of their circumference, and wherein the groove element is integrally formed in at least one of the intermediate-piece units.