Patent ID: 8944586
Filing Date: 2015-02-03
Classification: B41J

Abstract:
1. An ink jet printer bed in which a printing object placed on a bed is stably fixed by means of air suction and is printed, comprising: an upper plate having a plurality of air suction ports on its front surface; an intermediate plate having at least one guide space, each guide space having an intermediate portion which is open at upper and lower sides thereof, the intermediate plate being assembled to a lower side of the upper plate; a lower plate assembled to a lower side of the intermediate plate and including at least one air passage associated with each of the guide spaces; a connection part assembled to each air passage of the lower plate, each connection part being connected with a suction pump; and a sensor configured to detect an air pressure in the interior of the bed and to transmit a result of the detection to a controller configured to control the operation of the suction pump such that the air pressure of the interior of the bed by the suction pump is adjustable, wherein the intermediate plate comprises a plurality of guide passages defined by vertical partitions arranged in a continuous and repeated form in the at least one guide space of the intermediate plate, and wherein a connection part is formed on each partition so that air can flow between said guide passages.