Bearings

Details Bearings Bearings

1992-07-21

1994-12-20

Footland, Lenard A.

Bearings

Linear bearing

With temperature, electrical, or orthogonal feature

384 12, F16C 3206

Patent

active

053741250

ABSTRACT:
A machine is disclosed having novel air bearings for supporting one machine part for translational movement on another part in a first direction X. Each bearing takes the form of a track (5A,14,16) on one of the parts providing concave part-cylindrical bearing surfaces (5A,14A,16A) and pads 25 on the other part providing confronting convex part-cylindrical bearing surfaces 25A. The arc lengths of the part-cylindrical bearing surfaces are such as to provide restraint against relative movements between the machine parts in at least one sense of both of the two directions (Y,Z) orthogonal to the direction (X) of the translational movement. The advantages are relative cheapness of manufacture compared to vee-bearings and a capability of the bearings to self-align under load.

REFERENCES:
patent: 4264112 (1981-04-01), Magnuson
patent: 4506935 (1985-03-01), Suzuki et al.
patent: 4541673 (1985-09-01), Greiert

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