Patent ID: 9694602
Date: 2017-07-04
CPC Classifications: B41F,B41J

Claim:
1. A light irradiation device, which is accommodated in a device body and extends in a first direction on a predetermined irradiation surface in the device body to irradiate a line-shaped light having a predetermined line width in a second direction perpendicular to the first direction, the light irradiation device comprising: a substrate; a plurality of light sources arranged on the substrate at predetermined intervals along the first direction to match an optic axis thereof in a third direction perpendicular to the first direction and the second direction; a box-type case configured to accommodate the substrate and the plurality of light sources; a plurality of first rollers and a plurality of second rollers arranged on a first surface of the case in a row along the first direction; and a plurality of third rollers and a plurality of fourth rollers arranged on a second surface of the case in a row along the first direction, wherein each of the first rollers and each of the third rollers has a rotary shaft extending in the second direction and rotates on the rotary shaft, wherein each of the second rollers and each of the fourth rollers has a rotary shaft extending in the third direction and rotates on the rotary shaft, wherein the first surface and the second surface are parallel to the second direction or the third direction, and wherein the case is movably supported between a first state of being accommodated in the device body and a second state of being drawn from the device body in first direction.