Patent ID: 7410299
Filing Date: 2008-08-12
Classification: F16C,G01L

Abstract:
1. Linear rolling bearing, having an approximately U-shaped guide carriage ( 2 ) which is arranged on a guide rail ( 1 ) and has two limbs ( 3 ) and a spine ( 4 ) which connects the two limbs ( 3 ), the two limbs ( 3 ) of the guide carriage ( 2 ) engaging around the guide rail ( 1 ), and rolling bodies rolling on raceways ( 5 , 6 ) of the guide carriage ( 2 ) and of the guide rail ( 1 ) under preload, the raceways ( 5 , 6 ) being formed on sides, which face one another, of the guide rail ( 1 ) and of the two limbs ( 3 ), and at least one sensor ( 9 ) being attached to the guide carriage ( 2 ), characterized in that the sensor ( 9 ), which is embodied as a strain gauge ( 8 ), is attached centrally between the two limbs ( 3 ) to that side of the spine ( 4 ) of the guide carriage ( 2 ) which faces the guide rail ( 1 ).