Patent ID: 7320546
Filing Date: 2008-01-22
Classification: F16C

Abstract:
1. A rolling guide apparatus comprising: a track rail comprising a central plate portion, first and second rolling member contact plates projecting outwardly from said central plate portion, and first and second fixed plates projecting outwardly from said central plate portion, each of said rolling member contact plates having a horizontal portion located at a root side adjacent the central plate portion and an inclined arcuate portion located at a projecting side opposite said root side, each of the horizontal portions having an exposed horizontal upper surface an an exposed horizontal lower surface, each of the inclined arcuate portions curving to a height further from the fixed plates than the horizontal portions; and a movable block having at least four sets of endlessly circulating rolling member rows built therein which are in rolling contact with at least two surfaces of said first and second rolling member contact plates of said track rail, wherein said central plate portion is elastically deformable by forces placed on said rolling member contact plates and said fixed plates.