A folding device is provided which produces folded printed products from an incoming web of printed material. The folding device has a mechanism for automatically converting the folding device from a configuration that forms a single transverse fold to a configuration that forms a second transverse fold...http://www.google.com.au/patents/US5425697?utm_source=gb-gplus-sharePatent US5425697 - Folding device for producing folded printed products from a web of printed material
