Patent ID: 6261001
Filing Date: 2001-07-17
Classification: F16C

Abstract:
A roller guiding apparatus comprising:a guide rail having an upper surface, side surfaces, a pair of upper rolling paths formed in opposite side regions of the upper surface, and a pair of side rolling paths formed in the side surfaces, the upper rolling paths being formed as a pair of concave surfaces declining toward a middle portion of the guide rail with respect to a width, the concave surfaces extending along arcs of a common circle;a moving block provided with a groove receiving therein the guide rail, the moving block being mounted on the guide rail so as to be able to move along the guide rail;a plurality of upper rollers arranged in rows on the moving block so as to roll along the upper rolling paths, each of the upper rollers having a convex side surface; anda plurality of side rollers arranged in rows on the moving block so as to roll along the side rolling paths.