Apparatus for supporting a cylinder in a rotary printing unit

Details Apparatus for supporting a cylinder in a rotary printing unit Apparatus for supporting a cylinder in a rotary printing unit

1992-06-22

1993-08-24

Burr, Edgar S.

Printing

Rolling contact machines

Rotary

101375, B41F 500

Patent

active

052379205

ABSTRACT:
A rotary printing press comprises a frame including spaced sidewalls (12, 14), first and second printing cylinders (16, 18), and bearing members (26, 28) for supporting the ends (20, 22) of the first and second printing cylinders (16, 18) for rotation in the sidewalls (12, 14) of the frame. The first and second bearing members (26, 28) are removable from one end of the printing cylinders (16, 18). A first counterpoise assembly (40) includes a first rotary arm (50) having a supporting position for applying a force to the other end (20) of the first printing cylinder (16) to support the first printing cylinder (16) in the frame when the first bearing member (26) is removed. A second counterpoise assembly (42) includes a second rotary arm (50) having a supporting position for applying a force to the other end (22) of the second printing cylinder (18) to support the second printing cylinder (18) in the frame when the second bearing member (28) is removed. Each of the counterpoise assemblies (40, 42) includes a toggle member (60) for moving the respective rotary arm (50) into its supporting position, and for holding the rotary arm (50) in its supporting position against the weight of the associated printing cylinder (16, 18).

REFERENCES:
patent: 4094158 (1978-06-01), LeVere et al.
patent: 4119032 (1978-10-01), Hollis
patent: 4697516 (1987-10-01), Rombout
patent: 4807527 (1989-02-01), Knauer

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