Patent ID: 7363858
Filing Date: 2008-04-29
Classification: B41F,B41P

Abstract:
1. In a printing apparatus including a plate cylinder having a forward end clamp mechanism for holding a forward end of a printing plate, a storage unit storing printing plates to be exposed, and a plate feed mechanism arranged between the storage unit and the plate cylinder for feeding the printing plates from the storage unit to the plate cylinder, said plate feed mechanism comprising: at least a pair of transport rollers; drive means for rotating at least one of said pair of transport rollers; a one-way clutch disposed between said drive means and said one transport roller driven by said drive means, for allowing said one transport roller to rotate freely in a transport direction of said printing plates; and load means for applying a load to at least one of said pair of transport rollers when said at least one transport roller rotates in the transport direction of said printing plates.