Suction member fixing apparatus for sheet-fed printing press wit

Details Suction member fixing apparatus for sheet-fed printing press wit Suction member fixing apparatus for sheet-fed printing press wit

1987-10-16

1989-05-23

Crowder, Clifford D.

Printing

Rolling contact machines

Rotary

B41F 502

Patent

active

048319295

ABSTRACT:
In a suction member fixing apparatus for a sheet-fed printing press, two side plates are pivotally fitted on two end shafts of a double-diameter cylinder so that the surfaces of the side plates are in contact with end faces of the cylinder body. A fixing shaft having a head portion at one end and a threaded portion at the other end extends through central axial holes of the cylinder body and the two end shafts. Press rods radially extend through base portions of the two end shafts, are in contact with end faces of the side plates opposite to the cylinder body, and are moved upon threadable engagement of a screw member with the threaded portion to fix the side plates and the cylinder body by a surface pressure. Belleville springs are interposed between one press rod and the screw member to absorb extension of the fixing shaft due to an increase in temperature during printing.

REFERENCES:
patent: 4535691 (1985-08-01), Kida

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