| 摘要 |
In a preferred embodiment, an apparatus including: a longitudinally extending base member; a moving carriage assembly member adapted to move axial back-and-forth in the longitudinally extending base member; two bearing members extending sideways, on opposite sides, from the moving carriage assembly and engaging longitudinal bearing guides disposed in the longitudinally extending base member; and single means engaging the bearing members to simultaneously adjust the bearing members to take up any slop between the moving carriage assembly member and the longitudinally extending base member. A method of manufacturing the apparatus is also provided. |
