| 摘要 |
An inking arrangement for printing presses which comprises a plurality of vibrating rollers divided axially of a fountain roller and a distributing roller and arranged at an interval axially thereof between the rollers, the vibrating rollers being individually switchable between two positions between the fountain roller and the distributing roller so as to differ in the mode of contact thereof with the rollers. A support member supporting the vibrating rollers thereon is given increased flexural rigidity. The support member, which is in the form of a prism and secured to a frame, has fitted therearound a plurality of movable members each formed with a rectangular bore having the support member inserted therethrough with a clearance provided in the bore in the forward or rearward widthwise direction of the support member. The vibrating rollers are rotatably mounted on the respective movable members externally thereof. Change-over devices are provided between the support member and the respective movable members for moving the respective movable members forward or rearward widthwise of the support member by controlling supply of air with switching valves to switch the vibrating rollers individually between the two 43 positions. A surface of each movable member defining the rectangular bore and asurface of the support member which are slidable in contact with each other are formed with opposed grooves, in which the switching valve is positioned as mounted on the bottom surface of the groove of the support member.
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