Patent ID: 8672256

Claim:
A print sheet supplying shaft device comprising: a main body; a roll of a strip-form print sheet for printing a predefined information on the print sheet at a sheet printing unit; a sheet supplying unit capable of feeding the print sheet in a strip-form along a transfer route headed toward the sheet printing unit, a roll holding member holding the print sheet in the roll, the roll holding member having a pair of right and left outer surfaces; a roll supplying shaft protruding respectively at the pair of right and left outer surfaces; a shaft clamping member configured for clamping the roll supplying shaft in an attachable and detachable manner residing on a regulating plate within the main body; an urging member urging the shaft clamping member towards clamping the roll supplying shaft and also causing the urging member to provide load to the roll supplying shaft for resisting the feeding movement of the print sheet; and the shaft clamping member positioned along the attaching and detaching direction of the print sheet to and from the sheet supplying unit.