Patent ID: 7604408

Claim:
A linear guide device, comprising a guide rail; a guide carriage having a rolling element recirculating channel; at least one endless row of rolling elements circulating in said rolling element recirculating channel and guiding said guide carriage on and along said rail, said rolling element recirculating channel including a load-bearinn channel section and turnaround channel sections which connect said load-bearing channel section and a return channel section with each other, said guide carriage including substantially in a longitudinal region in said load-bearing channel section and said return channel section, a carriage body; end piece units provided on axially opposed ends of said carriage body; intermediate piece units located between said carriage body and said endpiece units, a groove element provided in said return channel section, which encloses rolling elements located in said return channel section around at least a portion of their circumference, said groove element being integrally formed in at least one of said intermediate-piece units, wherein said groove element has two groove-element parts which are provided with interacting orientation members on their free ends and engage in each other, and wherein said guide carriage has at least one said rolling element recirculating channel on both sides of said guide rail, said groove-element parts being integrally formed in the same intermediate-piece unit and having different lengths.