Ink jet recovery device having a spring-loaded cap and a mechani

Details Ink jet recovery device having a spring-loaded cap and a mechani Ink jet recovery device having a spring-loaded cap and a mechani

1989-05-26

1990-11-13

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 2165

Patent

active

049705342

ABSTRACT:
An ink jet recovery device comprises an elastic cap that is movable between a retracted position, in which it is spaced from a recording head, and a contact position, in which it is pressed against and seals the recording head. The recovery device also includes a rotatable drive gear having a cam surface, with a retracting cam and a compression cam, for moving the cap. When the drive gear is in a first angular position the retracting cam moves the cap to its retracted position, and when the drive gear is in a second angular position the compression cam presses the cap against the recording head. The drive gear has a third angular position for disengaging the pin from the cam surface so that a spring can press the cap into the contact position. In operation, the compression cam further presses the cap toward the recording in order to force air into the recording head to aid recovery.

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patent: 4410900 (1983-10-01), Terasawa
patent: 4492969 (1985-01-01), Terasawa
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patent: 4509057 (1985-04-01), Sohl
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patent: 4739340 (1988-04-01), Terasawa
patent: 4745414 (1988-05-01), Okamura et al.

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