| 摘要 |
<p>BAR CODE PRINTING DEVICE FOR HAND LABELER A printing device for use with a hand operated labeler: the hand labeler includes a pair of juxtaposed spaced end plates fixed to the body of the hand labeler, a support shaft member interposed fixedly between the end plates, and a plurality of bar code rings mounted rotatably on the support shaft member and juxtaposed to one another between the end plates; the bar code rings carry at least bar code types and index characters on their respective outer peripheries; a bar code ring selecting mechanism includes a selecting shaft which is made rotatable and axially movable for selectively turning one of the bar code rings; stain preventive means with a cover plate is provided which is mounted on one of the end plates in a manner to move radially of the bar code rings so that the cover plate may be moved during the printing operations to approach and cover the index characters thereby to prevent them from being stained with ink, and so that the cover plate may be moved during the type selecting operations to leave the index characters so as to allow the bar code rings to be turned freely.</p> |
