| 摘要 |
A linear guide device comprises an elongated rail, a slider rectilinearly slidable on the rail, circulation paths each including a rolling path formed between the rail and the slider and a return path formed in the slider, a part of the return path being formed by open grooves and closure members covering the grooves, and a number of balls inserted in the circulation path and rolling during the movement of the slider to thereby smoothen the movement of the slider.
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