Recorders – Record receiver deforming
Patent
1982-12-20
1984-08-07
Hartary, Joseph W.
Recorders
Record receiver deforming
346140R, G01D 1518
Patent
active
044646682
ABSTRACT:
An ink supply system of an ink jet recording apparatus of the charge control type including a supply pump for feeding ink under pressure to a recording head, an accumulator for equalizing the pressure of the ink, and valve means for controlling the feeding of the ink under pressure to the recording head. The supply pump, the accumulator and the valve means are located in a piping for supplying the ink in the ink tank to the recording head in the indicated order as seen from the ink tank side. A delivery pump is located in a piping for returning ink to the ink tank from a catcher for recovering the ink ejected through the recording head but not contributing to recording of information with ink drops. The ink supply system further includes conduits and change-over valves mounted between the ink tank, supply pump and delivery pump in such a manner that the ink supply system can be switched between a condition in which the ink in the ink tank can be fed under pressure to the recording head by the supply pump and a condition in which the ink in the ink tank can be filled in the supply pump through the recovery pump.
REFERENCES:
patent: 4207582 (1980-06-01), Yamamoto
patent: 4364055 (1982-12-01), Aiba
Ameyama Minoru
Komai Hiromichi
Hartary Joseph W.
Ricoh & Company, Ltd.
Shoup Guy W.
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