| 摘要 |
<p>INK SUPPLY DEVICES FOR PORTABLE LABELING MACHINE An ink supply device for use in a labeling machine: the ink supply device includes at least one inking roller; guide means on the frame of the labeling machine guide the inking roller to roll over the printing surface of a printing head; the guide means may comprise curved slots in or rails on the side plates of the machine frame; guide rollers that support the inking rollers are received in the guide means; in another embodiment, there are additional bearing plates attached at both ends of an inking roller; these plates are engageable with the lower end surfaces of the printing head; in other embodiments, two inking rollers are provided; each such roller is biased and guided in a different way; springs may bias both rollers toward the print surface, or only one roller; the roller may be guided to vertically shift over the print surface by a guide slot in the support carriage for the roller or by the slot of the guide means.</p> |
