Web guiding and spreading apparatus

Claim 2

In apparatus for guiding web material, a pair of guide heads adapted to be disposed adjacent opposite edges of the web material, each guide head including guide roll means for engaging opposite edges of the web material, drive means interconnecting said guide heads for movement toward and away from each other for accommodating web material of different widths, and remote control means for actuating said drive means, said drive means comprising a screw shaft having threads of opposite hand respectively threadedly engaging said guide heads for movement of said guide heads toward and away from each other upon rotation of said screw shaft in opposite directions, motor means for rotating said screw shaft in opposite directions, and width measurement means for automatically measuring the spacing between said guide heads, said width measurement means comprising a selsyn transmitter driven by said screw shaft, a selsyn receiver, and a counter driven by said selsyn receiver in response to signals from said selsyn transmitter.

Claim 3

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material, said guide heads adjacent the same edge of the web material being axially spaced from each other, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means on said selected guide heads as a system, said means for adjusting the relative position of said guide roll means with respect to the web material comprising a pivotally mounted support stand for said guide roll means which is angularly adjustable to vary the cant angle of said guide roll means, and means for simultaneously adjusting the cant angle of at least two of said guide roll means.

Claim 4

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material, said guide heads adjacent the same edge of the web material being axially spaced from each other, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means on said selected guide heads as a system, said means for adjusting the relative position of said guide roll means with respect to the web material comprising a pivotally mounted support stand for said guide roll means which is angularly adjustable to vary the cant angle of said guide roll means, and means for simultaneously adjusting the cant angle of at least two of said guide roll means.

Claim 5

The apparatus of claim 2 further comprising means for adjusting the relative positions of said guide heads with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of said selected guide heads as a system.

Claim 6

The apparatus of claim 3 wherein said means for adjusting the relative positions of said guide heads comprises adjusting screws for said guide heads, and means interconnecting the respective adjusting screws of said selected guide heads for effecting the desired adjustments of said guide heads by rotation of one of said adjusting screws.

Claim 7

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material, said guide heads adjacent the same edge of the web material being axially spaced from each other, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means on said selected guide heads as a system, said means for adjusting the relative position of said guide roll means with respect to the web material comprising means mounting said guide roll means for angular adjustment to vary the angular engagement and thus the extent of wrap of the web material around said guide roll means.

Claim 8

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material, said guide heads adjacent the same edge of the web material being axially spaced from each other, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means on said selected guide heads as a system, said means for adjusting the relative position of said guide roll means with respect to the web material comprising means mounting said guide roll means for angular adjustment to vary the angular engagement and thus the extent of wrap of the web material around said guide roll means.

Claim 9

The apparatus of claim 5 further comprising means for adjusting the relative positions of said guide heads with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of said selected guide heads as a system.

Claim 10

The apparatus of claim 6 wherein said means for adjusting the relative positions of said guide heads comprises screws shafts having threads of opposite hand respectively threadedly engaging one guide head adjacent each edge of the web material for movement of said guide heads toward and away from each other upon rotation of said screw shafts in opposite directions, means for rotating one of said screw shafts in opposite directions, and means interconnecting said screw shafts whereby rotation of said one screw shaft causes rotation of the other screw shaft.

Claim 11

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material said guide heads adjacent the same edge of the web material being axially spaced from each other, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means on said selected guide heads as a system, said means for adjusting the relative positions of said guide roll means comprising adjusting screws for each of said guide heads, and means interconnecting the respective adjusting screws of the selected guide heads for effecting the desired adjustments of said guide roll means by rotation of the adjusting screw for one of said guide heads, said means interconnecting selected ones of said guide heads adjacent the same edge of the web material comprising a flexible shaft interconnecting the respective adjusting screws of said selected guide heads for rotation of one of said adjusting screws by rotation of another through said flexible shaft.

Claim 12

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material said guide heads adjacent the same edge of the web material being axially spaced from each other, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means on said selected guide heads as a system, said means for adjusting the relative positions of said guide roll means comprising adjusting screws for each of said guide heads, and means interconnecting the respective adjusting screws of the selected guide heads for effecting the desired adjustments of said guide roll means by rotation of the adjusting screw for one of said guide heads, said means interconnecting selected ones of said guide heads adjacent the same edge of the web material comprising a flexible shaft interconnecting the respective adjusting screws of said selected guide heads for rotation of one of said adjusting screws by rotation of another through said flexible shaft.

Claim 13

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide heads with respect to the web material, and means interconnecting selected ones of said guide heads for simultaneous adjustment of said selected guide heads as a system, said means for adjusting the relative positions of said guide heads comprising adjusting screws for said guide heads, and means operated by rotation of said adjustIng screws for effecting the desired adjustments of said guide heads, said means interconnecting selected ones of said guide heads comprising a flexible shaft interconnecting the respective adjusting screws of said selected guide heads for adjusting said selected guide heads through said flexible shaft by rotation of one of said adjusting screws.

Claim 14

In apparatus for guiding web material, plural guide heads adapted to be disposed adjacent each edge of the web material, each guide head including guide roll means for guiding the web material, means for adjusting the relative positions of said guide heads with respect to the web material, and means interconnecting selected ones of said guide heads for simultaneous adjustment of said selected guide heads as a system, said means for adjusting the relative positions of said guide heads comprising adjusting screws for said guide heads, and means operated by rotation of said adjustIng screws for effecting the desired adjustments of said guide heads, said means interconnecting selected ones of said guide heads comprising a flexible shaft interconnecting the respective adjusting screws of said selected guide heads for adjusting said selected guide heads through said flexible shaft by rotation of one of said adjusting screws.

Claim 15

The apparatus of claim 9 further comprising means for adjusting the relative positions of said guide roll means with respect to the web material, and means interconnecting selected ones of said guide heads adjacent the same edge of the web material for simultaneous adjustment of the guide roll means of said selected guide heads as a system.

Claim 16

The apparatus of claim 9 further comprising electric drive motor means for rotating one of said adjusting screws in opposite directions, a reversible starter for said drive motor means, and switch means for actuating said reversible starter.

Claim 17

The apparatus of claim 9 further comprising fluid motor means for rotating one of said adjusting screws in opposite directions, solenoid operated valve means which when actuated supplies fluid to said fluid motor means for driving the same in opposite directions, and switch means for actuating said solenoid valve means.

Claim 18

The apparatus of claim 9 further comprising drive means for rotating said one adjusting screw, and remote control means for actuating said drive means.