Inking apparatus for printing press

Claim 1

An inking apparatus for uniformly inking a rotatable cylinder, comprising: a support frame; first, second and third rotatable form rolls, aligned with each other and spaced apart from but near to each other and arrayed around said cylinder and all rollingly engaging said cylinder; a respective first, second and third pivot on which said first, second and third rolls are rotatably mounted, and the locations of these said pivots being adjustable; fourth and fifth rotatable distribution rolls, aligned with each other and also with said form rolls; said distribution rolls being spaced from each other; a fourth pivot on which said fourth roll is rotatably mounted; the location of said fourth pivot being adjustable; a fifth pivot on which said fifth roll is rotatably mounted; said fifth pivot being fixedly located with respect to and attached to said frame; said fourth distribution roll being continuously in engagement with both said first and said second form rolls for rolling therewith; said fifth distribution roll being continuously in engagement with both of said second and said third form rolls for rolling therewith; whereby there are four continuously engaged contact points between said form rolls and said distribution rolls for effective ink distribution; a sixth rotatable transfer roll for receiving ink from a source, a sixth pivot on which said sixth roll is rotatably mounted; said sixth roll being spring biased against said fourth and fifth distribution rolls and the location of said sixth roll being self adjustable against said fourth and fifth rolls and in continuous engagement with both said fourth and fifth rolls for their rolling together; a seventh pivot generally aligned with said sixth pivot and being fixedly located with respect to and attached to said frame; a first arm journaled for swinging motion about said seventh fixed pivot and extending toward said fourth pivot; said fourth pivot being located on said first arm, and said fourth roll being carried on said first arm and being rotatable with respect thereto; a second arm journaled for swinging motion about said fourth pivot and extending toward said first pivot; said first pivot being located on said second arm and said first roll being carried on said second arm and being rotatable with respect thereto; a third arm journaled for swinging motion about said fourth pivot and extending toward said second pivot; said second pivot being located on said third arm and said second roll being carried on said third arm and being rotatable with respect thereto; a fourth arm journaled for swinging motion about said fifth pivot and extending toward said third pivot; said third pivot being located on said fourth arm and said third roll being carried on said fourth arm and being rotatable with respect thereto; a plurality of biasing means for biasing said form rolls into engagement with said cylinder, for biasing said fourth distribution roll into engagement with said first and second form rolls and for biasing said second roll into engagement with said fifth roll; respective first, second and third form roll position readjustment means connected with the respective one of said form rolls for moving the position of the respective said form rolls; respective first, second and third stop means connected with the respective one of said form rolls for holding the position of that said form roll and its respective said arm stationary as any other said form roll and its said arm shifts in position.