| US 7,463,392 B2 | ||
| Image reader and image forming apparatus | ||
| Yuichi Yamamoto, Toride (Japan); Takeshi Aoyama, Abiko (Japan); Haruhisa Oshida, Abiko (Japan); Ayumu Murakami, Abiko (Japan); Shoko Magata, Toride (Japan); and Takayuki Suga, Toride (Japan) | ||
| Assigned to Canon Kabushiki Kaisha, Tokyo (Japan) | ||
| Filed on Apr. 04, 2006, as Appl. No. 11/396,710. | ||
| Claims priority of application No. 2005-111711 (JP), filed on Apr. 08, 2005. | ||
| Prior Publication US 2006/0227389 A1, Oct. 12, 2006 | ||
| Int. Cl. H04N 1/04 (2006.01) | ||
| U.S. Cl. 358—496 [358/498; 358/474; 358/497; 358/461; 358/408] | 6 Claims |
| 1. An image reader comprising:
a first reading device configured to read an image on one side of a document moving on a transparent glass plate;
a second reading device as a reading device movable along the transparent glass plate and configured to read one of an image
on another side of the document moving on the transparent glass plate and an image on another side of the document remaining
stationary on the transparent glass plate; and
a show-through preventing member configured to prevent show-through of the document at a first position opposed to the first
reading device, wherein
the show-through preventing member is provided movably, while changed in posture of the show-through preventing device, from
the first position opposed to the first reading device to a second position in which reading of an image by the second reading
device is not prevented by the show-through preventing member, the show-through preventing member being changed in posture
from a horizontal state in which the show-through preventing member extends along the transparent glass plate to a vertical
state in which the show-through preventing member extends along an inner lateral surface of the image reader by a movement
from the first position to the second position.
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