1984-05-24
1985-05-07
Petrakes, John
Cutlery
F16C 2906
Patent
active
045154139
ABSTRACT:
A linear slide bearing for use in, for example, a machining center has a main body being an integral member constituted by right and left skirt portions defining a central cavity therebetween, each skirt portion being provided in its inner surface with a race-receiving groove opened to the central cavity, the race-receiving groove having a stopper projecting at its lower arcuate end, and each skirt portion further having a non-loaded ball passage bored therethrough. The linear slide bearing further has a pair of right and left bearing races each constituted by an arcuate member of semicircular cross-section having a barrel-like outer peripheral surface and rockably mounted within the corresponding race-receiving groove formed in the main body, the arcuate member being provided in its inner surface center with a loaded ball groove having a curvature center which is coincident with that of the race-receiving groove. A race-pressing member is constituted by a wedge member adjustably screwed to the inner surface of a ceiling portion of the main body, the race-pressing member being adapted to press the bearing races toward the stoppers with its wedge surfaces which are simultaneously made to abut on one of the inner side surfaces of the bearing races.
REFERENCES:
patent: 3436132 (1969-04-01), Wiesler
patent: 3876264 (1975-04-01), McCloskey
patent: 4025995 (1977-05-01), Thomson
patent: 4253709 (1981-03-01), Teramachi
patent: 4296974 (1981-10-01), Teramachi
patent: 4390215 (1983-06-01), Mottate
Petrakes John
Werner David
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