Cutlery
Patent
1983-04-06
1985-03-26
Footland, Lenard A.
Cutlery
308 4R, F16C 3206
Patent
active
045069352
ABSTRACT:
A bar-type slide guiding apparatus is provided with a pair of cylindrical pilot bars, which are fixedly mounted on a stationary base for slidably guiding a slide member therealong. The pilot bars respectively pass through cylindrical holes of the first and second hydrostatic bearings, which are respectively securely fitted in cylindrical bores formed in the slide member so as to thereby mount the same thereon. The first hydrostatic bearing is formed at its cylindrical hole with first and second pairs of fluid pockets, which hydrostatically support the slide member on the first pilot bar in both of orthogonal first and second directions perpendicular to the sliding direction of the slide member. On the other hand, the second hydrostatic bearing is formed at its cylindrical hole with only a single pair of fluid pockets, which hydrostatically support the slide member on the second pilot bar only in one of the first and second directions, so that the slide member is given freedom of movement relative to the second pilot bar in the other of said first and second directions.
REFERENCES:
patent: 3386781 (1968-06-01), Blazek et al.
patent: 3635532 (1972-01-01), Zerbola
patent: 52-138158 (1977-10-01), JPX
Sugita Kazuhiko
Suzuki Hiroshi
Tsuboi Akira
Footland Lenard A.
Toyoda Koki Kabushiki Kaisha
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