| 摘要 |
A printing machine for use in printing on an end portion of a bag or an article and the like comprises a printing roller, a back-up wheel segment, an arm journalling the wheel segment for adjustable movement toward and away from the printing roller, an elongated stop plate for guiding an article to be printed upon between the printing roller and the wheel segment, a piston-cylinder assembly actuable upon feeding the article toward the wheel segment and the printing roller to carry the wheel segment into contact with the article and the article into contact with the printing roller, and a drive common to the printing roller and the wheel segment for rotating them in unison. The drive is formed of an endless drive element operably connected to the printing roller and the back-up wheel segment.
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