Chemical apparatus and process disinfecting – deodorizing – preser – Control element responsive to a sensed operating condition
Patent
1988-05-02
1990-05-29
Warden, Robert J.
Chemical apparatus and process disinfecting, deodorizing, preser
Control element responsive to a sensed operating condition
422104, 422300, 422310, 211 74, 211 79, 211 80, 206366, 206443, 206565, B01L 906
Patent
active
049294270
ABSTRACT:
Equipment for measuring the rate of erythrosettling of blood comprises a plurality of pipettes, a rack for holding the pipettes upright, and a closure element for the bottom end of each pipette. The rack includes an elongated pedestal, a portal attached to the pedestal, a plurality of seats adapted to receive the pipettes by snap action and formed in the portal, and a bridge element associated with the portal and straddling it. The bridge element is displaceable elastically from a home position to a working position interfering with the pipettes, for simultaneously removing the pipettes from their snap-action holding seats. The invention affords the advantage that the operator is not required to come in contact with the blood being analyzed.
REFERENCES:
patent: 3302452 (1967-02-01), Leslie
patent: 3802844 (1974-04-01), Sendra et al.
patent: 4142633 (1979-03-01), Raghavachari et al.
patent: 4453639 (1984-06-01), Sharma
Kummert Lynn M.
Warden Robert J.
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