The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 17, 2002
Filed:
Jan. 24, 2002
Yury Sherman, Roslindale, MA (US);
Ilya Eskin, West Roxbury, MA (US);
Other;
Abstract
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 wherein the material is stored and a measuring and dispensing unit attached to the container. The unit includes: a housing having interconnected material receiving and material discharging openings; a slide moveable back and forth inside the passageway, 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 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 realesed; a retaining apparatus holdind 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 a apparatus providing airtight closing of the ways of possible penetration of air from the container to outside atmosphere or back.