Retainer for linear motion guide unit

FIG. 1 is a perspective view of a retainer for linear motion guide unit showing my new design;

FIG. 2 is a front view thereof, and a rear view appears the same as the front view;

FIG. 3 is a left side view thereof, and a right side view appears the same as the left side view;

FIG. 4 is a top view thereof, and a bottom view appears the same as the top view; and,

FIG. 5 is a cross sectional view taken along line 5 - 5 of FIG. 4 .