Plain surface stage apparatus

Details Plain surface stage apparatus Plain surface stage apparatus

2006-02-14

2006-02-14

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C118S729000, C033S568000

Reexamination Certificate

active

06998738

ABSTRACT:
A plain surface stage apparatus includes a platen having a plain surface, stationary type supports comprising at least three supporting members, and displacement type supports, each of which supports the platen and forms a displacement type supporting point at a position other than those of supporting points formed by the stationary type supports, wherein the displacement type supports expand and contract in a direction perpendicular to the plain surface of the platen so as to be displaced, and holds a selected displaced state of the displacement type supports.

REFERENCES:
patent: 4958115 (1990-09-01), Miller
patent: 5157296 (1992-10-01), Trumper
patent: 5543890 (1996-08-01), Tanaka et al.
patent: 5828142 (1998-10-01), Simpson
patent: 6170622 (2001-01-01), Wakui et al.
patent: 09-023689 (1997-01-01), None
patent: 2000-174101 (2000-06-01), None

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