Hamada Printing Press Mfg. Co., Ltd.

Shigeru Shimizu

A mechanism for adjusting the vertical position of a format on a printing press is proposed which makes use of the rotation of a blanket cylinder. A pair of pawls engage and disengage with a pair of ratchet wheels, which turn when a pawl support plate turns by a preset angle with respect to the blanket cylinder. The rotation of the ratchet wheel is transmitted to the format cylinder, so that the vertical position of a format is adjusted.

Mechanism for adjusting the vertical position of a format on a printer

Mechanism for correcting the twist of a plate on a printer without removing the plate from a plate cylinder is proposed. A bracket having claws for holding one end of the plate is supported on a block with pins on the block received in oblique grooves formed in the bracket. When the block moves axially, the bracket will be skewed because it is prevented from moving axially. Accordingly the plate is skewed in such a direction as to eliminate any twist.

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Takarazuka, Japan

Shigeru Shimizu