| CPC A47F 1/035 (2013.01) [G01F 11/20 (2013.01)] | 19 Claims |

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1. A dispensing device, comprising:
a feeder portion configured to couple with a reservoir portion storing a material to be dispensed and to receive the material from the reservoir portion;
a first rotatable gate disposed at an end of the feeder portion opposite the reservoir portion, the first rotatable gate rotatable between an open position that permits flow of the material to be dispensed out of the reservoir portion, and a closed position that prevents flow of the material to be dispensed out of the reservoir portion;
an adjustable-volume measuring chamber disposed at an outlet side of the first rotatable gate, the adjustable-volume measuring chamber configured to receive material to be dispensed, the adjustable-volume measuring chamber being adjustable to change a volume of material that can be received;
a second rotatable gate disposed at an end of the adjustable-volume measuring chamber opposite the first rotatable gate, the second rotatable gate rotatable between an open position that permits flow of the material to be dispensed out of the adjustable-volume measuring chamber, and a closed position that prevents flow of the material to be dispensed out of the adjustable-volume measuring chamber; and
wherein the adjustable-volume measuring chamber is rotatable between a first position, a second position, and a third position, and wherein rotation of the adjustable-volume measuring chamber causes rotation of both the first rotatable gate and the second rotatable gate.
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