Platform shaker in three dimensional motion

Details Platform shaker in three dimensional motion Platform shaker in three dimensional motion

1996-03-11

1997-06-17

Cooley, Charles E.

Agitating

By movement of support for removable mixing chamber

B01F 1100

Patent

active

056391609

ABSTRACT:
A platform shaker for stirring liquid chemical compositions provides a swirling motion in three dimensions. The magnitude of the three dimensional motion can be continuously adjusted while the shaker is in operation. Additionally, the platform of the shaker returns to the horizontal orientation after stirring is halted so as to maintain liquid samples well within the container placed on the platform. The novel platform shaker is useful for various analytical procedures such as DNA extractions, hybridizations, and gel staining in genetics, biology, and molecular biology. It is particularly appropriate for DNA extractions because the tilt angle of the platform as well as the swirl rate can adjust according to characteristics of the DNA, for example, to provide for a small tilt angle and a fast swirl rate for a short chain DNA, and for a large angle and a slow swirl rate for a long chain DNA.

REFERENCES:
patent: 760664 (1904-05-01), Van Der Valk
patent: 2527556 (1950-10-01), Kost
patent: 2552188 (1951-05-01), Krause et al.
patent: 3607478 (1971-09-01), Henninges et al.

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