| 摘要 |
A linear motion guide unit is disclosed, in which components are assembled in a mutually fitting relation with one another into a composite construction. This allows reducing the number of components to cope with a modern tendency of miniaturization of the linear motion guide system. The slider is mainly composed of a carriage and a composite carriage frame. The carriage includes an upper major section and a pair of sidewise opposing wings depending downward from the major section, while the composite carriage frame includes end caps facing forward and aft ends of the carriage, one to each end, and side walls integral with the end caps. The composite carriage frame is made up of a first composite component and a second composite component that is held around the first composite component. The carriage is on the forward and aft ends thereof with first engaging means of concavities while the composite carriage frame has second engaging means of convexities that mate in a fitting engagement with the first engaging means to make sure of securely holding the composite carriage frame on the carriage.
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