| 摘要 |
A plastic ball-retainer is provided to accomplish assembly of slide conveniently although thickness of a flange is thin. A plastic ball retainer comprises a web(11) whose sectional area is an inverse-U shape; a flange formed on transverse both ends of the web; a number of ball insertion groove into which a ball(7) is inserted, formed at regular interval on the flange; and a protrusive reinforcement(30) formed on the circumference of the ball insertion groove of the flange. |
