Alignment device for establishing a coplanar relationship betwee

Details Alignment device for establishing a coplanar relationship betwee Alignment device for establishing a coplanar relationship betwee

1997-12-10

2000-01-11

Watson, Robert C.

Work holders

With fluid means

Vacuum-type holding means

269 20, 269 75, 269258, 269285, B25B 1100

Patent

active

060127112

ABSTRACT:
An alignment device for establishing alignment between the surfaces of abutting components. A rotary table supports a base plate for rotation in a plane. An air bearing connected to the base plate in turn supports a support plate. The air bearing includes an upper spherical protrusion supported in a spherical cavity coupled to an air passageway in the base plate. Compressed air enters the air passageway and establishes an air interface between the upper and lower bearing components. The support plate is stabilized with respect to the base plate by a series of spring adjustments. The component support of the base plate is free to change planarity in response to an abutting surface of another component.

REFERENCES:
patent: 3694894 (1972-10-01), Jelinek et al.
patent: 4491306 (1985-01-01), Eickhorst
patent: 4875614 (1989-10-01), Cipolla et al.
patent: 4934671 (1990-06-01), Laninga et al.
patent: 5139245 (1992-08-01), Bruns et al.
patent: 5395098 (1995-03-01), Eickhorst et al.
patent: 5452905 (1995-09-01), Bohmer et al.

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