| CPC B41J 3/40733 (2020.08) [B41J 2/01 (2013.01); B41M 5/0088 (2013.01)] | 27 Claims |

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1. An apparatus for printing on a plurality of containers, the apparatus comprising:
a plurality of print heads configured to print directly on a curved surface of each of the plurality of containers; and
a plurality of container holders for retraining the plurality of containers, each of the plurality of container holders configured to rotate a container retained therewithin and to move the container linearly relative to the plurality print heads in a continuous motion to maintain a print location on the curved surface of each of the plurality of containers at a substantially constant perpendicular distance from each of the plurality of print heads during a printing process, each of the plurality of container holders further includes an upper slide having an upper mandrel mounted thereon, a lower slide having a lower mandrel mounted thereon, a rotary actuator, and a linear actuator; and
wherein each of the plurality of container holders is configured to move linearly along a line that is perpendicular to the print head, allowing a consistent distance from the printing surface of the container to the print head, as the container rotates and moves continuously during the printing process.
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