Patent ID: 6962274

Claim:
A hand-operated device for measuring, dispensing and storing of powder, granular and grain materials, comprising: (a) a container wherein the material is stored; (b) at least one measuring and dispensing unit attached to said container; (c) said unit including a housing and at least one transporting mechanism; (d) said housing having two substantially parallel walls: one directed to said container, including at least one material receiving opening, and the other directed outside, including at least one material discharging opening, said openings being interconnected by at least one lateral passageway accommodating said transporting mechanism; (e) said transporting mechanism including a slide moveable back and forth inside said passageway and at least one spring; (f) said slide having filling and discharging positions, including an opening capable to accommodate a predetermined volume of the material dispensed by said device in one stroke, delivering the material from said receiving opening to said discharging opening, including means preventing creation of a bridge formed by sticky particles of the dispensed material above the material receiving opening; (g) said means preventing creation of said bridge, being extensions from said slide directed toward said container, moveable together with said slide along said passageway, crossing a potential counter of said bridge during said motions of said slide along said passageway; and (h) said at least one spring being attached to said slide, and being extended when the slide moves inside said housing due to outside force applied to said slide and returning said slide into its original position after said outside force is released.