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US 5,330,270 AGranted
Statically pressure balanced slide unit
AssigneeNippon Thompson Co., Ltd.
InventorYoshiki Ohmori
Life of this patent
Estimating the term…
Abstract
A static pressure slide unit includes a guide rail, two-part slider slidably mounted on the guide rail and having a slider main body and a slider pressure member, and a mechanism interposed between the slider main body and the slider pressure member for constantly urging the slider pressure member against the guide rail. A pressurized fluid supplying system is also provided for supplying a gas or liquid under pressure to a sliding contact interface between the guide rail and the slider.
Claims9
A static pressure slide unit comprising:
- a guide rail, having a pair of oppositely inclined first and second top surfaces and a pair of oppositely inclined first and second bottom surfaces;
- a two-part slider slidably mounted on said rail and including a slider main body having a pair of oppositely inclined third and fourth top surfaces in sliding contact with the first and second top surfaces of said guide rail, respectively, and a slider pressure member having a pair of oppositely inclined third and fourth bottom surfaces in sliding contact with the first and second bottom surfaces of said guide rail and mounted on said slider main body so as to be movable closer to or away from said guide rail;
- means for constantly urging said slider pressure member against said guide rail;
- and
- means for supplying a pressurized fluid to a sliding contact interface between said guide rail and said slider.
2 more elements
Dependencies are inferred from the claim text.