Hopper agitator

Details Hopper agitator Hopper agitator

1992-09-09

1994-02-22

Kashnikow, Andres

Dispensing

Plural sources, compartment, containers and/or spaced jacket

With discharge assistant for each source

222236, 222413, 366327, 366329, G01F 1100

Patent

active

052879933

ABSTRACT:
A hopper assembly for storing and controllably dispensing ground material such as coffee meal. The hopper assembly includes a hollow body portion positioned above and in communication with a dispensing assembly. A storage chamber is formed between the hollow body portion and the dispensing assembly. A wall extends between a top end and a base end of the body portion. The body portion is frustoconical shaped such that the top end is smaller in diameter than the base end and the wall tapers inwardly from the base end toward the top end. The frustoconical shape of the body portion prevents bridging of the material retained in the storage chamber. An agitating device is also included in the dispensing assembly for creating a stirring action and moving material in the storage chamber to further prevent clogging and bridging of the material. At least a portion of the hopper assembly is formed of a transparent material to allow light to pass therethrough. An ambient light sensor is provided and positioned proximate to the transparent portion of the hopper assembly for detecting ambient light inside the storage chamber. The ambient light sensor detects the level of material in the storage chamber by sensing the amount of ambient light entering the transparent portion of the hopper assembly.

REFERENCES:
patent: 1717478 (1929-06-01), Vilas
patent: 3013701 (1961-12-01), Joschko
patent: 3354811 (1967-11-01), King
patent: 4100615 (1978-07-01), Thompson
patent: 4493249 (1985-01-01), Stover
patent: 4665808 (1987-05-01), Pulvermuller

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