Sensing, leveling and mixing apparatus

Details Sensing, leveling and mixing apparatus Sensing, leveling and mixing apparatus

1975-07-11

1977-01-25

Serwin, R.E.

Chemistry: physical processes

Physical processes

Crystallization

23292, C12K 100, G01N 118

Patent

active

040048837

ABSTRACT:
A support is provided which is arranged to accommodate a plurality of open-ended receptacles such as test tubes. The support includes openings and retainer members which cooperate to frictionally embrace the sides of the tubes so as to permit limited orbital motion of the tubes with respect to the openings. A sensing and leveling assembly beneath the bottoms of the tubes is arranged to cooperate with an arm located above the open ends of the tubes. The sensing and leveling assembly is resilient, such that upon engagement with the bottoms of the tubes they are gently forced against the arm, whereupon the relative positions of the tube bottoms are detected and noted by electronic means. The release of the arm allows the resilience in the sensing and leveling assembly to relax causing the bottoms of the tubes to be raised to a common horizontal plane. Also provided is an assembly for orbitally moving the bottoms of the freely depending tubes by means of cups which rotate about slightly offset centers while the bottoms of the tube reside therewithin.

REFERENCES:
patent: 3488156 (1970-01-01), Good et al.
patent: 3522011 (1970-07-01), Sanderson
patent: 3768526 (1973-10-01), Sanz et al.
patent: 3850580 (1974-11-01), Moore et al.

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