Printing press

Details Printing press Printing press

1996-08-02

1997-07-08

Yan, Ren

Printing

Rolling contact machines

Rotary

B41F 500

Patent

active

056449828

ABSTRACT:
An apparatus for attaching and detaching bearings comprises a stand which is arranged in a position where the bearing for the printing cylinder is attached to and detached from the hole on a frame in a printing press, and which is, also, arranged movably on the side face of the frame of the printing unit. To this stand, there are connected an actuator for extracting the bearing, and a member for extracting the bearing, which engages with the bearing. An apparatus is arranged in a printing press for horizontally holding the printing cylinder which is supported by the other bearing in a cantilever fashion when either one of the bearings supporting the shafts on both sides of the printing cylinder is removed. For this apparatus, a device is arranged for thirsting up the shaft of the printing cylinder, and two bearings are mounted in the bearing on the side where the printing cylinder is held in a cantilever fashion, and then, the interval between these bearings is widened. An apparatus is arranged for providing a connecting shaft penetratingly in the cylinder of the printing cylinder rotatively supported through a pair of eccentric bearings on the left- and right-hand sides between a pair of frames on the left- and right-hand sides of a printing press, and each of the eccentric bearings is connected to the connecting shaft.

REFERENCES:
patent: 3783485 (1974-01-01), Nastasi
patent: 3789757 (1974-02-01), Motter et al.
patent: 4007982 (1977-02-01), Stange
patent: 4620480 (1986-11-01), Hermach
patent: 4807527 (1989-02-01), Knauer
patent: 4953462 (1990-09-01), Krober
patent: 5101726 (1992-04-01), Lubke et al.
patent: 5188027 (1993-02-01), Fantoni
patent: 5241905 (1993-09-01), Guaraldi et al.
patent: 5289769 (1994-03-01), Lewis

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