Ink supply device and ink key thereof
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United States of America Patent
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Nov 12, 2002
Grant Date -
Sep 12, 2002
app pub date -
Sep 24, 1999
filing date -
Jun 3, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention relates to an ink supply device and an ink key thereof and makes it possible to stabilize the action of the ink key and to save labor in cleaning of the ink key by preventing the ink from getting into a gap between the neighboring ink keys. A cover member imperviously covering the surfaces of a plurality of ink keys is mounted in an ink box to reduce an area where the ink keys are in direct contact with the ink and a an inset is made into one or both of the walls of each of the plurality of neighboring ink keys covered by the cover member, the inset extending from the top surface of the ink key to the bottom surface thereof, so that even if the ink leaks and gets into a gap between the ink keys because of capillary phenomenon, the wall inset provides an enlarged space between the keys which prevents the ink from spreading the gap between the ink keys.
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