Clamping saddles for thin flexible printing plates

Details Clamping saddles for thin flexible printing plates Clamping saddles for thin flexible printing plates

1971-04-01

1976-11-16

Coven, Edward M.

Printing

Flexible-sheet-securing devices

101378, B41F 1310

Patent

active

039916758

ABSTRACT:
A clamping device for securing a thin flexible printing plate with longitudinally extending first and second opposite side edges to the cylinder of a rotary printing press, said clamping device including a semi-cylindrically shaped saddle adapted to be fixedly secured to said rotary press cylinder and to support said flexible printing plate on the saddle's outside face between the first and second longitudinally extending side edges of said saddle, securing means positioned along the first side edge of said saddle for securing the first side edge of the flexible printing plate to said saddle, a rotatable support member journaled to and along the second side edge of said saddle, a plurality of outwardly extending register pins secured to said support member to coact with openings formed along the second side edge of said flexible plate, and a lever secured to said support member for rotating said member to a position such that the register pins extend outwardly away from the second side edge of the saddle to lock said flexible plate on the saddle.

REFERENCES:
patent: 747213 (1903-12-01), Pancoast
patent: 1965621 (1934-07-01), Warwick
patent: 1966121 (1934-07-01), Hotchkiss
patent: 2137851 (1938-11-01), Nelson et al.
patent: 2512940 (1950-06-01), Janke
patent: 2937593 (1960-05-01), Ritzerfeld et al.
patent: 2963969 (1960-12-01), Sauberlich
patent: 3228329 (1966-01-01), Mangus et al.
patent: 3470817 (1969-10-01), Heimlicher et al.
patent: 3537395 (1970-11-01), Prince
patent: 3587464 (1971-06-01), Wessels

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