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Liquid-jet-device-with-cleaning-protective-means

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Liquid jet device with cleaning protective means

Details

Inventors: Kasugayama, Yukio; Kobayashi, Masatsune; Matsumoto, Shigeyuki; Hattori, Yoshihumi;
Assignee: Canon Kabushiki Kaisha (Tokyo, JP)
Primary Examiner: Hartary; Joseph W.
Assistant Examiner:
Attorney, Agent or Firm: Fitzpatrick, Cella, Harper & Scinto

A liquid jet recording device is provided with a cleaning protective means for cleaning and protecting the orifice. This means is provided at a reset position lying at one end of the scanning shaft of the device.

DETAILED DESCRIPTION It is a primary object of the present invention to provide a liquid jet device which eliminates the disadvantages peculiar to the liquid jet device according to the prior art.
It is another object of the present invention to provide a liquid jet recording apparatus which is simple and compact and which has a high printing stability and reliability with respect to extraneous forces such as vibration, impact and inclination.
It is still another object of the present invention to provide a liquid jet recording apparatus in which stable liquid supply can always be accomplished even during highspeed recording so that recording can be accomplished faithfully and reliably in response to recording signals.
It is yet still another object of the present invention to provide a liquid jet device which comprises a recording head portion provided with an orifice provided at the end of the recording head portion for exhausting liquid therethrough, a liquid chamber portion communicated with the orifice, a supply passageway for supplying the liquid to the liquid chamber portion, and liquid drop exhaust energy generating means mechanically coupled to at least a part of the liquid chamber portion in such a coupled relationship that liquid drop exhaust energy can be supplied to the liquid present in the liquid chamber portion; a liquid reservoir portion connected to the head portion so that the liquid present in the interior is supplied to the liquid chamber portion from an inlet at one terminal end of the supply passageway; and extraneous electrical connector means for supplying an extraneous electrical signal to the liquid drop exhaust energy generating means to drive said generating means; said portions and means being movable together, said liquid chamber portion lying at a height from the liquid surface in the liquid reservoir portion whereat the liquid present in the liquid reservoir portion can be suppled to the liquid chamber portion by a capillary force.
It is also an object of the present invention to provide a liquid jet recording apparatus provided with the above-described liquid jet device

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