| 摘要 |
PROBLEM TO BE SOLVED: To prevent an original placed on an original platen from being deviated without increasing the number of parts. SOLUTION: A positioning member 12 for positioning original at a prescribed position is arranged on the rotational center 14 side of a pressure member 3 with respect to the original platen 2, and a hole 15 passing from the original platen 2 toward the rotational center 14 of the pressure member 3 is formed in the positioning member 12, and, among downward wind pressure generated under the pressure member 3 by rotating the pressure member 3 downward with reference to the original platen 2, a wind pressure advancing from the original platen 2 toward the rotational center 14 of the pressure member 3 after abutting on the original platen 2 and turning the direction is diffused outside through the hole 15, then, the deviation of the original placed on the original platen 2 is prevented only by forming the hole 15 in the positioning member 12, without increasing the number of parts.
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