Reagent strip handling mechanism

Details Reagent strip handling mechanism Reagent strip handling mechanism

G - Physics

01

N

73/58, 150/8

G01N 33/52 (2006.01) G01N 21/47 (2006.01) G01N 21/86 (2006.01) G01N 37/00 (2006.01)

Patent

CA 1321489

REAGENT STRIP HANDLING MECHANISM Abstract of the Disclosure A quantitative measuring instrument includes a casing with a cavity for a reagent strip handling mechanism. The mechanism includes a slide with a resiliently biased toggle member for providing snap action of the slide between an open, reagent strip loading position and a closed, quantitative measuring position. A light seal is mounted on the toggle member that engages each reagent strip in the closed position of the slide. In a first, alternative embodiment of the instrument, the slide mechanism includes a cam arm that engages cam surfaces on the instrument raising the cam arm to an open, reagent strip loading position from a closed, reagent strip holding position. In this embodiment the slide can be removed from the instrument and cleaned. In a second alternative embodiment the slide includes a first detent corresponding to a closed position of the slide and a second detent corresponding to an open position. A pair of spring fingers are mounted in the cavity of the instrument casing. One of the spring fingers engages the first detent in the closed position and the second spring finger engages the second detent in the open position providing resistance that defines the two positions. The slide in this embodiment can also be removed and cleaned. MILV:007/C4 MS-1497

576263

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