| 摘要 |
PURPOSE:To reduce backlashes of the rack tooth surface and the pinion by maintaining the distance between the tooth surface of the silide rack and the pinion with a high accuracy by a driving block and slide ball bearings loaded therein. CONSTITUTION:In the inner part of the driving block 6 are loaded slide bearings 9, 9a, 10 and 10a for receiving a slide rack 2 and a slide rail 1. Respective slide ball bearings 9, 9a, 10 and 10a are secured to the driving block 6 by means of snap rings 11 and 12. At the tip end of the output shaft of a motor mounted on the driving block 6 is engaged a pinion 13 with the rack tooth surface of the slide rack 2. |
