Multiple channel pipetting device

Details Multiple channel pipetting device Multiple channel pipetting device

1997-11-26

1999-06-22

Raevis, Robert

Measuring and testing

Sampler, sample handling, etc.

Capture device

G01N 114

Patent

active

059152842

ABSTRACT:
This invention is a multiple channel pipetting device for aspirating and dispensing volumes of liquid using disposable or non-disposable tips. The device is comprised of a main body made of a hard synthetic material with multiple channels and an associated ram plate activated by a four-quadrant synchronous drive. The drive assembly is mounted on four standoffs, and the ram plate moves up and down by the means of four lead screws moved with a synchronous fibrous belt moved with a motor. A moveable plate mounted to the bottom of the device to remove disposable tips is activated by a set of automated ejector plate arms. The entire device can be mounted in a self-contained housing or attached to another device allowing it to be moved.

REFERENCES:
patent: 3650306 (1972-03-01), Lancaster
patent: 3754863 (1973-08-01), Reunanen
patent: 4047438 (1977-09-01), Sekine
patent: 4158035 (1979-06-01), Haase et al.
patent: 4258761 (1981-03-01), Bennett, Jr.
patent: 4554839 (1985-11-01), Hewett et al.
patent: 5055263 (1991-10-01), Meltzer
patent: 5226462 (1993-07-01), Carl

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