Magnetic stirrer apparatus

Details Magnetic stirrer apparatus Magnetic stirrer apparatus

1977-03-04

1979-07-31

Hornsby, Harvey C.

Agitating

Stirrer within stationary mixing chamber

Magnetic stirrer

366317, B01F 1308

Patent

active

041628551

ABSTRACT:
A lightweight magnetic stirrer apparatus which may be positioned for rotation in a fluid containing vessel, having a magnetic rotor assembly including a generally vertical center hub on which is mounted a generally horizontal magnetic impeller. The rotor assembly is rotatably mounted in a positioning cage which generally positions the rotor assembly within the vessel and prevents it from contacting the walls of the vessel to allow the rotor assembly hub to rotate free relative to the vessel in the cage under the influence of an exterior magnetic drive. The magnetic stirrer apparatus is also provided with a cage in which the legs are totally removeable so as to make it any size for different beakers. Furthermore, the magnet may be removed completely from the cage so that it may be dropped into the neck of a bottle and the magnet per se used by itself. High lubricity bearing surfaces of the hub and cage reduce frictional forces and allow rotation of the impeller at very low speeds.

REFERENCES:
patent: 2549121 (1951-04-01), Osterheld
patent: 2859020 (1958-11-01), Eddy et al.
patent: 2951689 (1960-09-01), Asp et al.
patent: 2958517 (1960-11-01), Harker et al.
patent: 3116913 (1964-01-01), Lane

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