A cover stock supply system for continuously feeding cover stock to a
wallboard production line includes: a plurality of cover stock cradles
for receiving rolls of cover stock; a splicing table; a cover stock
cutter disposed between the cover stock cradles and the splicing table.
The cover stock cutter has a positioning loop around a cover stock feed
path and a cutting cable attached to the positioning loop. Cutter is
configured and adapted to rotatably deploy the cutting cable from the
drawn position on a first side of the cover stock feed path to a re-set
position on a second side of the cover stock feed path upon motion
thereof around the cover stock feed path.