Patent ID: 6953422

Claim:
A system for selectively replacing a first set of folding boards with a second set of folding boards, said system comprising: a first carriage assembly secured to said first set of folding boards, said first carriage assembly locating said first set of folding boards at a web-receiving position, said first carriage assembly moveably engaging stationary first rails by moving along a surface of said stationary first rails to permit movement of said first set of folding boards from said web-receiving position; a second carriage assembly secured to said second set of folding boards, said second carriage assembly locating said second set of folding boards at a first inactive position, said second carriage assembly moveably engaging second rails by moving along a surface of said second rails to permit movement of said second set of folding boards from said first inactive position; and a transfer apparatus that permits selective movement of said first set of folding boards to said first inactive position or a second inactive position and selective movement of said second set of folding boards to said web-receiving position.