Patent ID: 8712311
Filing Date: 2014-04-29
Classification: G03G,H04N

Abstract:
1. An image reading apparatus comprising: an original base plate; an original pressing portion configured to rotate around a rotational axis arranged horizontally with respect to the original base plate, and further configured to press an original against the original base plate while the original base plate is closed; an image reading portion configured to read an image of the original while the original is pressed against the original base plate by the original pressing portion; a first driving portion configured to rotate the original pressing portion around the rotational axis; a second driving portion configured to rotate the original pressing portion around the rotational axis; an inclination detection portion configured to detect an inclination of the original pressing portion around a line which passes through a barycenter of the original pressing portion and which is vertical with respect to the rotational axis; and a controlling portion configured to control the first and second driving portions to correct an inclination of the original pressing portion based on a detected inclination of the original pressing portion detected by the inclination detection portion as the first driving portion and the second driving portion rotate the original pressing portion between a closure position where the original pressing portion covers the original base plate and an open position where the original base plate is exposed.