Discrete matrix plate positioner

Details Discrete matrix plate positioner Discrete matrix plate positioner

1997-09-09

1999-09-14

Le, Long V.

Chemistry: analytical and immunological testing

Including sample preparation

Volumetric liquid transfer

436 43, 436 47, 436 49, 422 63, 422 65, 422100, 422104, 4352883, 4352884, 414749, 414750, G01N 3500

Patent

active

059522402

ABSTRACT:
A positive displacement positioner employs rigid stops and actuators to position a work piece, such as a microtiter plate, in any one of at least three positions. Positioner platforms, each of which is capable of moving a work piece between at least two distinct positions, are nested in order to multiply the number of positions available. For example, a two-position rigid stop positioner platform nested in a four-position rigid stop positioner platform, or a four-position rigid stop positioner platform nested in a two-position rigid stop positioner platform would permit the movement of a work piece to any one of eight distinct positions. A four-position platform nested inside a four-position platform yields sixteen positions, and so on. Each positioner platform preferably has a symmetrical polygonal outline and nested platforms provide displacement along each of the polygon's axes of symmetry. Consequently, a positioner will preferably provide displacement to any one of a number of positions.

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