| 摘要 |
<p>PROBLEM TO BE SOLVED: To prevent the defective feed due to insufficient abutting of a sheet on a paper feed roller by the shape error of a movable bottom plate when the movable bottom plate on which the sheet is loaded is pressed by a movable arm whose turning direction is orthogonal to the feeding direction of the sheet. SOLUTION: Shaft holes 10, 47 in bearing mechanisms 13, 46 to turnably and pivotably support a movable bottom plate 45 on each side of a rear part are formed of oblong dissimilar holes in which a lower part is expanded only on the end side of a movable arm 17. When a forward part of the movable bottom plate 45 is deformed downward on the end side of the movable arm 17, the movable arm 17 presses the movable bottom plate 45 in the direction to increase the inclination, but the bearing mechanism 46 on the end side of the movable arm 17 supports the movable bottom plate 45 in an upwardly displaceable manner, and a part on the end side of the movable arm 17 is displaced upward to eliminate the inclination of the forward part of the movable bottom plate 45.</p> |
