Guide device

Details Guide device Guide device

1984-09-07

1986-10-07

Levy, Stuart S.

Bearings

Linear bearing

Fluid bearing

33 1M, 108143, F16C 3206, G01B 2104, G01D 1102

Patent

active

046155686

ABSTRACT:
The disclosed guide device utilizes no rigidly mounted external guide elements. However, a guide element freely slidable on an air cushion on a flat base can be lowered from the interior of a slide element (by removal of the air cushion) onto the base. Once the guide element has been lowered, it is fixed by subpressure onto the base and takes over the function of a rigidly mounted guide. The guide element, which was previously freely slidable on the base, is now exactly positionable along the guide of the guided element. If the displacement path is to be increased, then the slide piece element is fixed by subpressure on the base, the guide element is again acted upon with compressed air and driven within the slide piece in a displacement direction and at the end of the interior space is again fixed to the base. Now the slide piece is again released and can on its air cushion be further positioned exactly in the displacement direction. This stepwise movement is limited only by the size of the base.

REFERENCES:
patent: 3658393 (1972-04-01), Luthi
patent: 4118101 (1978-10-01), Teramachi
Luftlager by R. Lehmann, A. Wiemer and R. Rogal, from Feingeratetechnik 1962, pp. 151-160.

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