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US 9,803,688 B2Granted
Rolling bearing guide apparatus
AssigneeNsk Ltd.
InventorNobuaki Yamagishi
Life of this patent
Estimating the term…
Abstract
A rolling bearing guide apparatus 1 has a guide rail 2, a slider main body 8, a rolling elements 16, and an end cap 9a, 9b that defines a turn passage 15a, 15b, 15c, 15d that turns the direction of movement of the rolling element 16. The apparatus is provided with a lubrication member 14 impregnated with lubricant, arranged between the slider main body 8 and the end cap 9a, 9b, and partly exposed inside the turn passage 15a, 15b, 15c, 15d, enabling lubrication of the rolling element 16 for a long period of time and reducing efforts of maintenance.
Claims9
A rolling bearing guide apparatus comprising:
- a guide rail;
- a slider main body sliding on said guide rail;
- rolling elements that roll between said slider main body and said guide rail as said slider main body slides;
- and
- an end cap attached to an end surface of said slider main body that is located at a front or rear end thereof when said slider main body is sliding, and defining a turn passage that turns a direction of movement of said rolling elements;
- the rolling bearing guide apparatus being characterized by comprising a lubrication member impregnated with lubricant, arranged between said slider main body and said end cap, and partly exposed inside said turn passage to serve as a return guide that turns the direction of movement of the rolling elements.
3 more elements
Dependencies are inferred from the claim text.