JP2006258968A5 - - Google Patents

Claims (11)

A placement member on which a document is placed;
Reading means for reading the placed the document or al picture image before the placing member,
A track member that forms a movement path of the reading means along the placement member;
In an image reading apparatus comprising: a slide receiving member that slides on the track member and movably supports the reading unit;
An image reading apparatus characterized in that a plurality of recesses are formed on at least one surface of the track member and the slide receiving member to form a sliding surface, and a lubricating substance is held in the recess.   The plurality of concave portions are a plurality of grooves intersecting with the moving direction of the reading means, and when the sliding receiving member slides on the track member, the lubricating substance moves in the grooves. The image reading apparatus according to claim 1.   3. The image reading apparatus according to claim 2, wherein the sliding surface is divided into a mesh shape by the plurality of grooves to form a large number of micro sliding surfaces.   4. The image according to claim 3, wherein the rows of the two types of grooves having different crossing angles with the moving direction of the reading unit intersect to form the minute sliding surface having a rectangular contour shape. Reader.   The image reading apparatus according to claim 3, wherein the minute sliding surface is a circle, an ellipse, a polygon, a bowl, or a contour shape obtained by combining these shapes.   3. The image reading apparatus according to claim 2, wherein the plurality of grooves are formed by closely arranging the grooves in a direction perpendicular to the moving direction of the reading unit in the moving direction.   7. The image reading apparatus according to claim 3, wherein the raceway member is a cylindrical shaft, and the grooves are densely formed on the sliding surface of the cylindrical shaft.   7. The image reading device according to claim 3, wherein the sliding receiving member is a bearing member supported by sliding on a cylindrical shaft, and the grooves are formed densely on the sliding surface of the bearing member. apparatus. Image reading means for reading an image of a document;
In an image forming apparatus comprising: an image forming unit that forms an image read by the image reading unit on a sheet;
The image forming apparatus according to claim 1, wherein the image reading unit is the image reading apparatus according to claim 1. Reading means for reading an image from a document;
A track member forming a moving path of the reading means;
In an image reading apparatus comprising: a slide receiving member that slides on the track member and movably supports the reading unit;
An image reading apparatus characterized in that a plurality of recesses are formed on at least one surface of the track member and the slide receiving member to form a sliding surface, and a lubricating substance is held in the recess.   The image reading apparatus according to claim 10, wherein the concave portion is formed by overlapping another member on the track member or the sliding receiving member.