Air controlled paper stacker

Claim 1

A paper stacker for the refolding of a continuous unfolded paper form comprising: a first and a second forced air supply; a first and a second curved surface closely positioned one to another in a facing relationship; paper form receiving means positioned to receive and stack the continuous paper form in an original configuration; said receiving means having first and second adjustable side means for accommodating various size refolded forms; first and second extendable supply means for supplying sheets having an adjustable length, said sheets covering said first and second curved surfaces, respectively, and attached to said first and second side means, respectively, said sheets having lengths adjustable in response to adjustment of said side means; and means for controlling forced air, said means having an input and output, said input of said forced air control means coupled to movement of said paper form to receive location and speed information therefrom, said output of said forced air control means coupled to said first and second forced air supply, such that the location and speed information received by said forced air control means causes said forced air supply to alternately operate to attach to said curved surfaces and said sheets for urging said continuous form over said first and second curved surfaces and along said sheets toward said side means in an alternating manner whereby said unfolded form is forced to refold in the original configuration.