Patent ID: 8857330
Filing Date: 2014-10-14
Classification: B41F,H05K

Abstract:
1. A screen printer that prints a substrate with paste by a pattern hole of a mask plate, the screen printer comprising: a squeegee head configured to slide over the mask plate via a head drive mechanism, the squeegee head comprises a joint joined to the head drive mechanism; a replaceable paste reservoir that stores paste; a paste pressurizing unit that is placed on the joint and that pressurizes the paste in the paste reservoir; a print space that stores the pressurized paste and that brings the paste into contact with a surface of the mask plate; and two scraping members that form front and back walls of the print space in a squeegeeing direction and whose lower ends contact a surface of the mask plate; the paste reservoir, the print space, and the scraping members configure a squeegee unit that can be integrally attached to and detached from the joint; and a holding mechanism that positions and holds the squeegee unit with respect to the joint having a shaft support which is joined to the joint and which has a vertically-oriented pivot, a shaft member that horizontally extends from the shaft support and that is turnable around the pivot, and a fitting section that is formed in the squeegee unit and to which the shaft member is removably fitted.