Linear motion ball bearing
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United States of America Patent
Stats
-
Dec 30, 1986
Grant Date -
N/A
app pub date -
Nov 13, 1985
filing date -
Oct 11, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
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.
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