Printing plate registering method and device

Details Printing plate registering method and device Printing plate registering method and device

1988-10-04

1990-06-26

Olszewski, Robert P.

Cutting

With work immobilizer

Work-stop abutment

101DIG36, 83 29, 83 55, 83618, 83620, B26D 700

Patent

active

049361759

ABSTRACT:
A printing plate registering method and device having a substantially flat working surface. A punch is provided for punching holes through printing plates and through masking flats located on the working surface. A pair of pin members is provided extending above the working surface and insertable in holes located in a lateral row along one edge of the printing plate. The pin members impart a lateral tension along the row of holes, causing the printing plate to be registered with respect to the pin members and with respect to the working surface. The pin members tangentially nest in the laterally outermost tangent point of such pre-punched register holes, causing precise lateral and longitudinal registering. Selectable pairs of pin members are provided to allow for centering of the printing plate on the easel body. Pairs of such pin members are extendable or retractable upon rotation of a shaft having cam grooves therein. The pin members are spring-biased outwardly to impart such laterally outward tension to the printing plate.

REFERENCES:
patent: 2600809 (1952-06-01), Simmons
patent: 4016577 (1977-04-01), Hensy et al.
patent: 4095893 (1978-06-01), Handsman
patent: 4155644 (1979-05-01), Hess
patent: 4735122 (1988-04-01), Chabot
patent: 4776822 (1988-10-01), Dougherty
Brochure for the Carlson Small Press Punches Distributed by the Chesley F. Carlson Company of Minnesota (Undated).
Brochure for Protocol Register Systems and Equipment Distributed by Protocol Engineering PLC of England (Publication No. P60(587)Eng.) 1987.
Paper Showing the Stroesser Small Press Register System Distributed by Stroesser Register Systems of California (Undated), 2 sheets.

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