Hydrostatically supporting device for slide

Details Hydrostatically supporting device for slide Hydrostatically supporting device for slide

1988-08-19

1989-09-12

Hannon, Thomas R.

Bearings

Linear bearing

Fluid bearing

384 13, F16C 3206

Patent

active

048654655

ABSTRACT:
A slide guided on a guiding member has at least one sliding surface in slidable engagement with a guiding surface of the guiding member. The at least one sliding surface is formed with an elongate supply grove extending in the sliding direction of the slide and is also formed with a plurality of hydrostatic pressure pockets arranged in the sliding direction of the slide. The slide is formed therein with passages which respectively provide fluid communications of the hydrostatic pressure pockets with the elongate supply groove, and a plurality of throttle elements are respectively fitted in the passages at portions of the same opening to the hydrostatic pressure pockets. A supply passage connected to an oil supply is formed in the guiding member and at the guiding surface, opens to the elongate supply groove for always communicating with the elongate supply groove irrespective of the sliding position of the slide.

REFERENCES:
patent: 3903993 (1975-09-01), Vorrhees et al.
patent: 4653408 (1987-03-01), Nagashima et al.
patent: 4746227 (1988-05-01), Sato

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