Powder material transportation apparatus

Details Powder material transportation apparatus Powder material transportation apparatus

1979-06-06

1981-10-27

Braun, Fred L.

Photocopying

Including fiber optics

222413, 222DIG1, 355 15, G03G 1500, G01F 1120

Patent

active

042970210

ABSTRACT:
The powder material transportation apparatus for transporting powder materials such as developer powder, by a rotating member such as a coil is provided with an agitator for destroying a bridge of powder material which is apt to be formed in an upper portion of the rotating member. The diameter or pitch of a rotating coil member is designed to be greater in a transportation termination portion than in a transportation initiation portion, whereby the powder material transportation force is increased in the transportation termination portion and formation of the bridge of powder material is prevented.

REFERENCES:
patent: 3056487 (1962-10-01), Kipper
patent: 3333566 (1967-08-01), Kent
patent: 3724725 (1973-04-01), Stauffer
patent: 3946910 (1976-03-01), Case
Probst, Stewart; "Apparatus for Transporting Powdered Materials"; Research Disclosure; Dec. 1977; pp. 57 and 58.

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