G - Physics – 01 – N
Patent
G - Physics
01
N
G01N 1/04 (2006.01) A61B 10/00 (2006.01) A61B 17/32 (2006.01) G01N 1/08 (2006.01) A61B 17/00 (2006.01) G01N 1/28 (2006.01)
Patent
CA 2380736
An apparatus to excise a sample of material and temporarily store sample has a tubular clamshell casing at an angle to the horizontal, blended to a tubular boss under which is a tubular sample sleeve extending downwards from the boss. Within the casing an electric motor is housed which drives, via gears, the sample sleeve in a rotational manner. The end of the sleeve distal from the boss forms a cutting edge circumscribing a circular region. An ejection rod slides reciprocally within the sample sleeve between a stowed position and an expulsion position. When the ejection rod moves from the stowed position to the expulsion position, it will extend past the cutting blade and expel any sample of material contained within the cutting sleeve. A user cuts a sample from a source material using the cutting blade of the apparatus when the ejection rod is in the stowed position. The sample is cut when the cutting blade engages contact against the sample and gentle downward pressure is applied while a finger trigger activates the electric drive to rotate the cutting sleeve. Alternately a user may cut a sample from a source material by engaging contact between the cutting edge of the tubular sleeve and the source material, applying downward pressure against the source material thereby activating the electric drive to rotate the tubular cutting sleeve. Once the source material has been cut it is simultaneously extracted and lodged within the tubular sleeve. The extracted sample remains lodged in the tip of the tubular cutting sleeve until the user actuates the ejection rod through the sleeve to the expulsion position to eject the sample of source material. Return actuation of the eject rod is comprised of a coil spring that biases the rod in the retracted stowed position.
Harris Joel S.
Na
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