Browsing by Author "Ginnings, Charles A."

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    Adjustable-volume liquid dispensing pump
    (2012-09-11) Oden, Maria; Schutze, Gordon E.; Bennett, Kimberly A.; Schwab, Brian D.; Ginnings, Charles A.; Jeans, Megan E.; Ambrose, Catherine G.; Rice University; Baylor College of Medicine; Board of Regents of the University of Texas System; United States Patent and Trademark Office
    An adjustable-volume liquid dispenser is disclosed. In one embodiment, an adjustable-volume liquid dispenser includes a spout and a plunger secured to the spout. The dispenser further includes a plunger lock moveable lengthwise along the plunger. The plunger lock is securable to the plunger at a plurality of positions on the plunger to adjust a volume of liquid to be dispensed. The dispenser also includes a spring in contact with the plunger. In addition, the dispenser includes a chamber comprising an interior for containing liquid. The plunger is slidably arranged with the chamber. A portion of the plunger is disposed within the chamber. Moreover, the dispenser includes a chamber cap secured to the chamber, and a valve disposed within the chamber. The dispenser also includes a shaft secured to the chamber.