Patent ID: 7616924

Claim:
A sheet-trimming apparatus for trimming a sheet located in a trimming position, the sheet-trimming apparatus comprising: a trimming blade to trim a sheet which has been substantially horizontally located in the trimming position; a blade-driving mechanism structured to bring said trimming blade into contact with said sheet from under a surface of said sheet and to move said trimming blade in a trimming direction to trim said sheet located in said trimming position; a blade-receiving member to receive said trimming blade on an upper surface of said sheet, said blade-receiving member being formed into a plate and being positioned at a first position such that said trimming blade contacts said blade-receiving member at a first portion of said blade receiving member; a blade receiving-member driving mechanism structured to shift said blade-receiving member relative to said trimming blade so that said blade-receiving member can be positioned at a second position such that said trimming blade contacts said blade-receiving member at a second portion of said blade receiving member; and a sheet-holding member traveling between a working position where said sheet-holding member holds said sheet at the trimming position and a retreated position; wherein said blade-receiving member is structured to be movable relatively with said sheet holding member by said blade-receiving member driving mechanism; and wherein a part of the sheet-holding member is composed of the blade-receiving member.