Patent ID: 6892641
Filing Date: 2005-05-17
Classification: B41F,Y10S

Abstract:
1. A plate holding apparatus comprising: plate holding means for holding an old plate discharged from a plate cylinder; and driving means for moving said plate holding means between a first position of holding the discharged old plate and a second position away from said plate cylinder, wherein said plate holding means comprises a support member, a first rotary member rotatably, axially supported by said support member, a second rotary member axially supported by said support member to be movable and rotatable, moving means for moving said second rotary member to come into contact with and separate from said first rotary member, and a one-way clutch which, while the old plate is being held by said first and second rotary members, allows at least one of said first and second rotary members to rotate in a first direction to disengage the old plate from said plate cylinder, and regulates at least one of said first and second rotary members from rotating in a second direction opposite to the first direction.