Phase change ink replenishment system

Details Phase change ink replenishment system Phase change ink replenishment system

1989-11-09

1993-01-19

Fuller, Benjamin R.

Article dispensing

With discharge assistant

Reciprocating

221298, G01D 1516, B65H 330

Patent

active

051810492

ABSTRACT:
In a color printer including a print head for effecting printing with a phase change ink and provided with a reservoir for holding a supply of the ink, an ink replenishment assembly composed of an ink storage device for storing a plurality of pellets of the ink in solid phase, the storage device having an outlet and a channel for supplying the pellets to the outlet by the force of gravity; a pellet conveying device disposed between the storage device outlet and the print head and movable between a receiving position for receiving at least one pellet from the storage device outlet and a delivery position for conveying a pellet received in the receiving position to the print head reservoir; and a drive member coupled to the pellet conveying device for moving the pellet conveying device between the receiving and delivery positions.

REFERENCES:
patent: 3348733 (1967-10-01), Johnson
patent: 3533536 (1970-10-01), Baxendale
patent: 4571600 (1986-02-01), Hara
patent: 4590494 (1986-05-01), Ichihashi et al.
patent: 4667206 (1987-05-01), DeYoung
patent: 4834263 (1989-05-01), Becze
patent: 4870430 (1989-09-01), Daggett et al.
patent: 4907019 (1990-03-01), Stephens
patent: 4961081 (1990-10-01), Shiga
Paul Grafstein and Otto B. Schwarz, Pictoral Handbook of Technical Devices, Chemical Publishing Co., Inc., N.Y., 1971, p. 59.

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