| 摘要 |
PCT No. PCT/JP85/00173 Sec. 371 Date Nov. 13, 1985 Sec. 102(e) Date Nov. 13, 1985 PCT Filed Apr. 5, 1985 PCT Pub. No. WO86/02417 PCT Pub. Date Apr. 24, 1986.A linear motion ball bearing used for guiding portions which perform a linear motion such as a machine tool table, a positioning table, etc., the linear motion ball bearing including upper and lower members (1, 1') each having opposed C-shaped grooves (1a) and an intermediate member (2) having upper and lower opposed C-shaped grooves (2a) and upper and lower grooves (2a') for connecting the end portion of the C-shaped grooves, the upper, lower and intermediate members (1, 1', 2) being fitted laminately on a leg portion (3a) of a bearing body (3) to form a ball circulation path, thereby attaining easiness of machining and reduction of the number of parts.
|
