LENS ARRAY UNIT, IMAGE SENSOR UNIT, IMAGE READING APPARATUS, IMAGE FORMING APPARATUS, AND METHOD OF MANUFACTURING LENS ARRAY UNIT

A lens array unit includes a lens array including a plurality of lenses, a first side plate, and a second side plate, the first side plate and the second side plate being configured to hold the plurality of lenses therebetween, and a frame made of resin and including a first supporting portion and a second supporting portion, the first supporting portion being in contact with an outside surface of the first side plate, the second supporting portion being in contact with an outside surface of the second side plate, the first supporting portion and the second supporting portion being configured to hold the lens array therebetween and support the lens array. The outside surface of the first side plate includes a plurality of first concave portions spaced from each other in an array direction of the lenses and configured to fit with the first supporting portion. 本公开涉及一种透镜阵列单元，其包括：透镜阵列，所述透镜阵列包括多个透镜、第一侧板和第二侧板，第一侧板和第二侧板配置成将所述多个透镜保持在其间；以及框架，所述框架由树脂制成并且包括第一支撑部分和第二支撑部分，第一支撑部分与第一侧板的外表面接触，第二支撑部分与第二侧板的外表面接触，第一支撑部分和第二支撑部分配