Printing apparatus including serial printing means

Details Printing apparatus including serial printing means Printing apparatus including serial printing means

B - Operations, Transporting

41

F

101/80

B41F 5/00 (2006.01) B41F 13/00 (2006.01) B41F 33/04 (2006.01) B41K 3/12 (2006.01)

Patent

CA 1206800

- 1 - ABSTRACT PRINTING APPARATUS INCLUDING SERIAL PRINTING MEANS A printing apparatus including separate serial printing heads mounted on a rotary chase whereby the heads can be selectively positioned for printing on material as the material is transported through the apparatus. The chase is mounted on a support located in an easily accessi- ble position in the apparatus whereby the rotation of the chase to change the head or heads to be used in a printing operation can be easily accomplished. The chase is also removably positioned on the support so that an entire chase can be readily separated from the apparatus, and a differ- ent chase with different printing heads substituted in the apparatus. The chase is equipped with guides which cooper- ate with guides on the apparatus frame to insure automatic alignment of the chase as it is located in operating posi- tion, and the drive shafts carrying the printing heads are at the same time automatically engaged with drive means associated with the apparatus. Locking mechanisms are pro- vided to secure the chase in position relative to the frame and the chase is also equipped with pins engageable with the apparatus frame and having the capability of adjusting print- ing head pressure on the material being printed. The chase is also equipped with means for automatically shifting the heads between "On Impression" and "Off Impression" posi- tions in the course of a printing run.

417860

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