Patent ID: 6779923
Filing Date: 2004-08-24
Classification: F16C,F16H,Y10T

Abstract:
A roller retainer assembly, comprising:a plurality of roller retainers for individually correspondinaly retaining a plurality of cylindrical or substantially cylindrical rollers circulating in a direction of movement of the rollers on a roller circulation path inclusive of linear and curved races, wherein each of said roller retainers hold opposite side surfaces of said roller and front and rear surfaces of said roller in the direction of movement of the rollers on the roller circulation path, wherein a linear guide portion and a curve guide portion which are different in inclination angle from each other are formed on each of a left and a right end surfaces of said roller retainer in the direction of movement of the rollers on the roller circulation path, the linear guide portion extends along a top half of the left or right end surface of said roller retainer and the curve guide portion extends along a bottom half of the left or right end surface of said roller retainer, the linear guide portion extending in a direction which is substantially parallel to an axial direction of the roller, wherein said linear guide portion of said roller retainer comes into contact with an adjacent roller retainer in said linear race and said curve guide portion of said roller retainer comes into contact with said adjacent roller retainer in said curved race, and wherein each of said linear guide portion and said curve guide portion of said roller retainer has a curved surface so as to come into linear contact with said adjacent roller retainer.