Use of a secondary spittoon for wasted ink containment

Details Use of a secondary spittoon for wasted ink containment Use of a secondary spittoon for wasted ink containment

1997-01-03

1998-06-30

Barlow, Jr., John E.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 3, 347 36, B41J 2165

Patent

active

057741425

ABSTRACT:
An apparatus and method are provided to prevent the overflow of waste ink from a primary spittoon used in a service station of a thermal ink-jet device, such as a facsimile machine. An opening is defined in a wall of the primary spittoon such that when the waste ink level within the primary spittoon reaches the opening, the waste ink issues from the opening for collection by a secondary spittoon. A passageway may be employed to route the ink from the opening to the secondary spittoon, with the passageway preferably represented by a rib formed externally on the primary spittoon wall. By employing the method of the present invention, one avoids the potential contamination of the internal workings of the thermal ink-jet device caused by the unchecked overflow of ink from the primary spittoon.

REFERENCES:
patent: 4492258 (1985-01-01), Lichtenstein et al.
patent: 4872026 (1989-10-01), Rasmussen et al.
patent: 4965596 (1990-10-01), Nagoshi et al.
patent: 5300958 (1994-04-01), Burke et al.
patent: 5404229 (1995-04-01), Ono et al.

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