Liquid-handling mechanism

Claim 2

A liquid-handling mechanism comprising first and second rotatable rolls, shaft means projecting outwardly from each end of said second roll, and means for supporting said shaft means and for biasing said second roll into engagement with said first roll comprising a first support means engaging one end of said shaft means, a second support means supporting said first support means for swiveling movement about an axis generally normal to the axis of said shaft means, biasing means for biasing said second support means toward said first roll to yieldably urge said second roll into engagement with said first roll, a third roll in liquid-transferring relationship with said second roll, said second roll having an outer peripheral surface which is eccentric with respect to its axis of rotation and which cooperates with the periphery of said first roll on rotation of said second roll to move said second roll Toward and away from said third roll, said second roll comprising a metal inner body portion concentric with the axis of rotation of said second roll and a sleeve of resiliently yieldable material covering said inner body portion to provide said outer peripheral surface on said second roll, said outer peripheral surface of said sleeve including portions spaced at different distances from the axis of rotation of said second roll to provide a ducting action between said second and third rolls.

Claim 3

A liquid-handling mechanism comprising first and second rotatable rolls, shaft means projecting outwardly from each end of said second roll, and means for supporting said shaft means and for biasing said second roll into engagement with said first roll comprising a first support means engaging one end of said shaft means, a second support means supporting said first support means for swiveling movement about an axis generally normal to the axis of said shaft means, and biasing means for biasing said second support means toward said first roll to yieldably urge said second roll into engagement with said first roll, wherein said second roll is a ducting roll and comprises a metal inner body portion having a mass which is balanced with respect to the axis of rotation and a sleeve of yieldable resilient material covering said inner body portion to provide an outer peripheral surface of the roll, said sleeve being of low density material as compared to the inner body portion and having a peripheral ducting portion providing an unbalanced mass with respect to the axis of rotation.

Claim 4

A liquid-handling mechanism comprising first and second rotatable rolls, shaft means projecting outwardly from each end of said second roll, and means for supporting said shaft means and for biasing said second roll into engagement with said first roll comprising a first support means engaging one end of said shaft means, a second support means supporting said first support means for swiveling movement about an axis generally normal to the axis of said shaft means, and biasing means for biasing said second support means toward said first roll to yieldably urge said second roll into engagement with said first roll, wherein said second roll is a ducting roll and comprises a metal inner body portion having a mass which is balanced with respect to the axis of rotation and a sleeve of yieldable resilient material covering said inner body portion to provide an outer peripheral surface of the roll, said sleeve being of low density material as compared to the inner body portion and having a peripheral ducting portion providing an unbalanced mass with respect to the axis of rotation.

Claim 5

A liquid-handling mechanism comprising a first rotatable roll and a second rotatable roll cooperating in liquid-transferring relationship, a third rotatable roll cooperating in liquid-transferring relationship with said second rotatable roll, shaft means projecting axially outwardly from each end of said second rotatable roll, and means for supporting said shaft means and for biasing said second rotatable roll into engagement with said first rotatable roll comprising a first support means engaging one end of said shaft means, a second support member supporting said first support member for swiveling movement about an axis generally normal to the axis of said shaft means, and biasing means acting transversely of the axis of swiveling movement for biasing said second support means toward said first roll to yieldably urge said second rotatable roll into engagement with said first rotatable roll, said second roll comprising a cylindrical inner body portion having a mass which is balanced with respect to the axis of rotation and a sleeve of yieldable resilient material covering said inner body portion to provide an outer peripheral surface of said second roll, said outer peripheral surface defining a surface eccentric to the axis of rotation of said second roll, an adjustable stop means disposed on one side of said shaft means opposite to said first support means, and second biasing means operatively connected between said second support means and said first support means to move the latter along its axis and urge said shaft means against said adjustable stop to position said second roll while in engagement with said first roll, said stop means being adjustable to adjust the operating position of said second rotatable roll relative to said rotatable third roll to provide clearance therebetween during each revolution.

Claim 6

A liquid-handling mechanism comprising a first rotatable roll and a second rotatable roll cooperating in liquid-transferring relationship, a third rotatable roll cooperating in liquid-transferring relationship with said second rotatable roll, shaft means projecting axially outwardly from each end of said second rotatable roll, and means for supporting said shaft means and for biasing said second rotatable roll into engagement with said first rotatable roll comprising a first support means engaging one end of said shaft means, a second support member supporting said first support member for swiveling movement about an axis generally normal to the axis of said shaft means, and biasing means acting transversely of the axis of swiveling movement for biasing said second support means toward said first roll to yieldably urge said second rotatable roll into engagement with said first rotatable roll, said second roll comprising a cylindrical inner body portion having a mass which is balanced with respect to the axis of rotation and a sleeve of yieldable resilient material covering said inner body portion to provide an outer peripheral surface of said second roll, said outer peripheral surface defining a surface eccentric to the axis of rotation of said second roll, an adjustable stop means disposed on one side of said shaft means opposite to said first support means, and second biasing means operatively connected between said second support means and said first support means to move the latter along its axis and urge said shaft means against said adjustable stop to position said second roll while in engagement with said first roll, said stop means being adjustable to adjust the operating position of said second rotatable roll relative to said rotatable third roll to provide clearance therebetween during each revolution.

Claim 7

A liquid-handling mechanism having a rotating ducting roll which runs in substantially continuous engagement with a first roll while the periphery thereof moves in a ducting manner toward and away from another roll, said ducting roll being comprised of an inner metal body portion and an outer covering of resilient material on the outer periphery of said metal body portion and substantially covering the entire outer periphery of said metal body portion, said metal body portion being balanced with respect to the axis of rotation of the ducting roll and said covering of resilient material havinG outer peripheral portions spaced at different radial distances from the axis of rotation to provide a ducting action on rotation of said ducting roll, said outer covering being a sleeve having an arcuate outer periphery of varying diameter with respect to the axis of rotation of said second roll.

Claim 8

A liquid-handling mechanism having a rotating ducting roll which runs in substantially continuous engagement with a first roll while the periphery thereof moves in a ducting manner toward and away from another roll, said ducting roll being comprised of an inner metal body portion and an outer covering of resilient material on the outer periphery of said metal body portion and substantially covering the entire outer periphery of said metal body portion, said metal body portion being balanced with respect to the axis of rotation of the ducting roll and said covering of resilient material havinG outer peripheral portions spaced at different radial distances from the axis of rotation to provide a ducting action on rotation of said ducting roll, said outer covering being a sleeve having an arcuate outer periphery of varying diameter with respect to the axis of rotation of said second roll.

Claim 9

A liquid-handling mechanism having a rotating ducting roll which runs in substantially continuous engagement with a first roll while the periphery thereof moves in a ducting manner toward and away from another roll, said ducting roll being comprised of an inner metal body portion and an outer covering of resilient material on the outer periphery of said metal body portion and substantially covering the entire outer periphery of said metal body portion, said metal body portion being balanced with respect to the axis of rotation of the ducting roll, said resilient material defining the outer periphery of the roll and having outer peripheral portions spaced at different radial distances from the axis of rotation to provide a ducting action, said resilient material being unbalanced with respect to the axis of rotation, and said outer covering comprising a sleeve which is circular and is eccentric with respect to the axis of rotation of said second roll.

Claim 10

A liquid-handling mechanism having a rotating ducting roll which runs in substantially continuous engagement with a first roll while the periphery thereof moves in a ducting manner toward and away from another roll, said ducting roll being comprised of an inner metal body portion and an outer covering of resilient material on the outer periphery of said metal body portion and substantially covering the entire outer periphery of said metal body portion, said metal body portion being balanced with respect to the axis of rotation of the ducting roll, said resilient material defining the outer periphery of the roll and having outer peripheral portions spaced at different radial distances from the axis of rotation to provide a ducting action, said resilient material being unbalanced with respect to the axis of rotation, and said outer covering comprising a sleeve which is circular and is eccentric with respect to the axis of rotation of said second roll.

Claim 11

A liquid-handling mechanism comprising a liquid supply roll, a liquid-receiving roll, an intermediate roll for transferring liquid from said liquid supply roll to said liquid-receiving roll, said intermediate roll having a pair of shaft ends, support arm means supporting each of said shaft ends for pivotal movement about a pivot axis substantially parallel to the axis of rotation of said liquid supply and liquid-receiving rolls, means operatively connected with said support arm means for varying the position of said intermediate roll relative to said liquid supply roll to provide a gap therebetween, biasing means urging said intermediate roll about said pivot axis into engagement with said liquid-receiving roll and maintaining said intermediate roll in engagement with said liquid-receiving roll, said intermediate roll being rotated due to the peripheral contact of said intermediate roll and said liquid receiving roll, and said intermediate roll having eccentric means rotated by said peripheral contact of said intermediate and liquid-receiving roll for effecting pivoting movement of said intermediate roll about said pivot axis against said biasing means, said pivoting movement of said intermediate roll effecting a ducting movement of a portion of the periphery of said intermediate roll into a liquid film on said supply roll to pick up liquid therefrom for transfer thereof to said liquid-receiving roll.

Claim 12

A liquid-handling mechanism comprising a liquid supply roll, a liquid-receiving roll, an intermediate roll for transferring liquid from said liquid supply roll to said liquid-receiving roll, said intermediate roll having a pair of shaft ends, support arm means supporting each of said shaft ends for pivotal movement about a pivot axis substantially parallel to the axis of rotation of said liquid supply and liquid-receiving rolls, means operatively connected with said support arm means for varying the position of said intermediate roll relative to said liquid supply roll to provide a gap therebetween, biasing means urging said intermediate roll about said pivot axis into engagement with said liquid-receiving roll and maintaining said intermediate roll in engagement with said liquid-receiving roll, said intermediate roll being rotated due to the peripheral contact of said intermediate roll and said liquid receiving roll, and said intermediate roll having eccentric means rotated by said peripheral contact of said intermediate and liquid-receiving roll for effecting pivoting movement of said intermediate roll about said pivot axis against said biasing means, said pivoting movement of said intermediate roll effecting a ducting movement of a portion of the periphery of said intermediate roll into a liquid film on said supply roll to pick up liquid therefrom for transfer thereof to said liquid-receiving roll.

Claim 13

A liquid-handling mechanism as defined in claim 6 wherein the axis of said intermediate roll is located above a line intersecting the axes of said liquid supply and said liquid-receiving rolls, and said liquid supply roll comprises a fountain roll cooperating with said liquid supply to pick up liquid therefrom.

Claim 14

A liquid-handling mechanism as defined in claim 7 wherein said biasing means comprises an elongated member pivotally connected at one end with said support arm means at a point above said line, and further including support means supporting the opposite end of said member for pivotal movement and for sliding movement, and a compression spring acting between said support means and said support arm means.

Claim 15

A liquid-handling mechanism comprising a liquid supply roll, a liquid-receiving roll, an intermediate roll for transferring liquid from said liquid supply roll to said liquid-receiving roll, said intermediate roll having a pair of shaft ends, support arm means supporting each of said shaft ends for pivotal movement about a pivot axis substantially parallel to the axes of rotation of said liquid supply and liquid-receiving rolls, means operatively connected with said support arm means for adjustably shifting said support arm means to vary the position of said intermediate roll relative to said liquid supPly roll to provide a gap therebetween, said intermediate roll being rotated due to the peripheral contact of said intermediate roll and said liquid-receiving roll, and said intermediate roll having eccentric means rotated by said peripheral contact of said intermediate and liquid-receiving rolls for effecting a ducting movement of a portion of the periphery of said intermediate roll into a liquid film on said supply roll to pick up liquid therefrom for transfer thereof to said liquid-receiving roll.

Claim 16

A liquid-handling mechanism comprising a liquid supply roll, a liquid-receiving roll, an intermediate roll for transferring liquid from said liquid supply roll to said liquid-receiving roll, said intermediate roll having a pair of shaft ends, support arm means supporting each of said shaft ends for pivotal movement about a pivot axis substantially parallel to the axes of rotation of said liquid supply and liquid-receiving rolls, means operatively connected with said support arm means for adjustably shifting said support arm means to vary the position of said intermediate roll relative to said liquid supPly roll to provide a gap therebetween, said intermediate roll being rotated due to the peripheral contact of said intermediate roll and said liquid-receiving roll, and said intermediate roll having eccentric means rotated by said peripheral contact of said intermediate and liquid-receiving rolls for effecting a ducting movement of a portion of the periphery of said intermediate roll into a liquid film on said supply roll to pick up liquid therefrom for transfer thereof to said liquid-receiving roll.

Claim 17

A liquid-handling mechanism as defined in claim 9 wherein said support arm means comprises a first support member engaging each of said shaft ends, a second support member supporting said first support member and its associated shaft end for movement along a line generally normal to the axis of said shaft end, a stop disposed on said second support member on the side of said shaft end opposite to said first support member, biasing means operatively connected between said second support member and said first support member to urge and move said first support member along said line to urge said shaft end against said stop, and means for adjusting said stop to move said second roll toward or away from said third roll while maintaining engagement with said first roll.