JPS62104940U - - Google Patents

Description

[Brief explanation of drawings]

Figures 1 to 4 are for explaining one embodiment of the present invention. Figure 1 is a partial perspective view of the plate fixing device on the gripping side, and Figure 2 is a cross section taken along line CC in Figure 1. Figure 3 is an overall configuration diagram of an offset sheet-fed printing press, Figure 4 is
The figure is a cross-sectional view of the plate cylinder, FIG. 5 is an analytical diagram showing the relationship between the amount of expansion of printing paper and the amount of correction when using the conventional device, and FIG.
It is an analytical diagram showing the same relationship as the figure. 5, 6... Plate cylinder, 14... Plate fixing device, 18a, 1
8b...Lower tooth, 21...Shaft, 23...Bolt for end movement, 24...Screw.

Claims (1)

[Scope of utility model registration request] In a plate fixing device having a mechanism for moving the plate cylinder in the circumferential direction, a plurality of divided lower teeth, a pair of shafts each fixed to the lower teeth in the center and passing through the lower teeth at both ends, and a coaxial and lower teeth at both ends are provided. A plate extension device is provided on the plate gripping side, consisting of end movement bolts screwed into the respective ends, and an overall movement bolt screwed onto the shaft and capable of moving the entire plate cylinder in the axial direction. plate fixing device.