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US 11,766,843 B2Granted
Printing unit, printing device, box making machine
AssigneeMitsubishi Heavy Industries Machinery Systems, Ltd.
InventorsNorifumi Tasaka, Makoto Kaji, Shuichi Takemoto, Toshiaki Miyakura, Eikichi Tanaka
Life of this patent
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Abstract
A printing unit includes a support frame that is supported to face a transfer passage for a sheet; an inkjet head that is fixed to the support frame and performs printing on a printing surface of the sheet; drive bodies that are rotatably supported on the support frame on both sides of the inkjet head in a width direction of the sheet and come into contact with the printing surface of the sheet; and a drive device that drives and rotates the drive bodies.
Claims18
A printing unit comprising:
- a support frame that is supported to face a transfer passage for a sheet;
- an inkjet head that is fixed to the support frame and performs printing on a printing surface of the sheet;
- a drive body rotatably supported on the support frame on each side of the inkjet head in a width direction of the sheet and configured to come into contact with the printing surface of the sheet;
- and
- a drive device that drives and rotates the drive body, wherein
- the drive body includes rotating members which are disposed on each side of the inkjet head in the width direction of the sheet and driven and rotated by the drive device, and
- an adjustable gap which is set in advance according to a thickness of the sheet is formed between a sheet transfer surface defining the transfer passage for the sheet and the rotating members, and
- the rotating members guide the sheet so as to regulate floating of the sheet in a direction toward the inkjet head in the adjustable gap.
5 more elements
Dependencies are inferred from the claim text.