Patent ID: 8201499

Claim:
A plate inserting apparatus comprising: a plate cylinder with an outer surface where a plate is to be mounted; a press roller which is rotatably supported to oppose the outer surface of said plate cylinder and which inserts a leading edge bent portion of the plate, supplied to said plate cylinder upon rotation of said plate cylinder, into a groove portion formed in the outer surface of said plate cylinder; and a braking unit which is arranged in a plate storing portion for storing the plate supplied to said plate cylinder and brakes the plate with the leading edge bent portion inserted in the groove portion of said plate cylinder, a control unit configured to control the braking unit, wherein: when the leading edge bent portion of the plate abuts against the outer surface of the press roller, the braking unit starts braking the plate; when the leading edge bent portion of the plate opposes the groove portion of the plate cylinder, the braking unit stops braking the plate; and when the leading edge bent portion of the plate is inserted into the groove portion of the plate cylinder, the braking unit starts braking the plate.