| 摘要 |
<p>The present invention achieves the above objects, among others, by providing, in a preferred embodiment, a hand-operated device for measuring, dispensing and storing of powder and granular materials, having filling and discharging/storing positions, comprising: a container (1) wherein the material is stored and a measuring and dispensing unit (2) attached to the container. The unit includes: a housing (5) having interconnected material receiving and material discharging openings (51, 52); a slide moveable back and forth inside the passageway (56), delivers the material from the receiving opening to the discharging opening, accommodating a predetermined volume of the material dispensed by the device in one stroke; a compression spring (62) located between the slide and the housing, being compressed when the slide is moved inside the housing during its working stroke, the spring returns the slide in its original position after being released; a retaining apparatus holding the slide inside the housing in its discharging position when the device is not in use, a stoppering apparatus fixing filling position of the slide; and an apparatus providing airtight closing of the ways of possible penetration of air from the container to outside atmosphere or back.</p> |
