Feed roller for mixing and feeding a powder

Details Feed roller for mixing and feeding a powder Feed roller for mixing and feeding a powder

1992-01-17

1993-09-28

Grimley, A. T.

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366318, G03G 2100

Patent

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052490190

ABSTRACT:
In a feed roller for mixing a developer and feeding it to a developing roller, a first mixing wing parallel to a rotating shaft is provided, a second spiral-shape mixing wing is diagonally provided in a manner to cross the first wing, and a spiral-shape groove for feeding a powder is formed on the one side located on the forward section with respect to rotating direction and being the powder scraping-up side of the both sides of said second mixing wing, along said second mixing wing, so as to enhance the feed performance, lateral-mixing performance and lateral-feed performance of the feed roller.

REFERENCES:
patent: 3271819 (1966-09-01), Lacher
patent: 4711551 (1987-08-01), Fujio et al.
patent: 4963033 (1990-10-01), Huber et al.
European Search Report dated Nov. 10, 1992.

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