Other

Haruo Ichikawa

Ryoichi Kanno

Masato Nakatsukasa

An interchangeable drum unit interchange system in an interchangeable drum type rotary printing machine installation proposed to achieve the objects of releasing workers form heavy labor and dangerous work and remarkably shortening the time required for interchange of interchangeable drum units. The system comprises rack truck rails laid in parallel to a printing line in which a plurality of printing machines each having an interchangeable drum unit interchangeably mounted thereon are installed as aligned in one row, a plurality of sets of interchange truck rails extended from the printing line towards the rack truck rails at right angles thereto, a plurality of interchange trucks disposed on the respective sets of interchange truck rails respectively in a reciprocatable manner, a rack truck provided in a movable manner along the rack truck rails with new interchangeable drum units to be interchanged loaded thereon, an interchangeable drum unit reloading means provided on the rack truck for mutually reloading a plurality of sets of new and old interchangeable drum units between the interchange trucks and the rack truck.

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Tokyo, Japan

Haruo Ichikawa