| 摘要 |
An image reading apparatus has a reading unit including a light source lamp mounted on a unit frame arranged in a document reading portion. The image reading apparatus comprised as a lamp frame supporting the light source lamp. The lamp frame has a pin. Projections are pivotally arranged on a back side surface of the lamp frame at an interval in a longitudinal direction of the light source lamp. An upper end of the projections has a grip for grasping. One of the projections has an elongated hole for receiving the pin. The pin regulates an pivoting angle of the projection. Slit holes, in which the projections are fitted, are formed in the unit frame.
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