Driving means to position a load

Details Driving means to position a load Driving means to position a load

2006-01-10

2006-01-10

Chen, Jose V. (Department: 3637)

Horizontally supported planar surfaces

Power driven

C355S053000

Reexamination Certificate

active

06983703

ABSTRACT:
The disclosure provides an apparatus and method for positioning a moveable mass, such as the moveable components found in a typical XY table. The apparatus comprises driving structure producing a driving force to move the mass along an axis, which mass has a variable center of gravity position perpendicular to the axis. The driving force from the driving structure is operative to act through the center of gravity of the mass as the position of the center of gravity changes.

REFERENCES:
patent: 5172160 (1992-12-01), Van Eijk et al.
patent: 5260580 (1993-11-01), Itoh et al.
patent: 5844664 (1998-12-01), Van Kimmenade et al.
patent: 6693402 (2004-02-01), Ebihara et al.
patent: 6717653 (2004-04-01), Iwamoto et al.

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