Supply roll member, sheet material dispenser apparatus, and stencil wiping assembly including the same

A dispenser apparatus for dispensing a sheet material from fixtures having support means for receiving the dispenser apparatus thereon, the dispenser apparatus comprising:

• a supply roll having opposite sides and a given width and comprising a web of sheet material wound on a core member, the core member having roll-mounting means thereon and the sheet material being wound on the core member in a manner to permit unwinding of the sheet material therefrom to supply lengths thereof on demand;
• and
• a support bar having opposite ends and a length greater than the width of the supply roll and having thereon positioning means dimensioned and configured to have the roll-mounting means engaged therewith at any one of a plurality of longitudinally spaced-apart positions on the support bar, the positioning means comprising a first formation extending longitudinally along the support bar, and the roll-mounting means comprising a second formation carried on the core member, the first and second formations being respectively dimensioned and configured to engage each other to selectively position the core member at a selected longitudinal position on the support bar;
• wherein the support bar is dimensioned and configured to receive thereon at the ends thereof locator means, whereby the support bar may be fitted with a selected model of a plurality of locator means models differently configured one from the other to enable the support bar to be mounted on a selected one of a plurality of different models of such fixtures.