Patent ID: 6748193
Filing Date: 2004-06-08
Classification: G03G,H04N

Abstract:
A mechanism for retaining a platen glass used to read an original in the course of being fed in an image reader having a frame and adapted to irradiate said original with light beams from a light source lamp placed at a predetermined position, to pick up light beams reflected on said original and thereby to read an image formed on said original, comprises:a platen glass functioning to guide an original in an appropriately stretched and flattened state in the course of feeding the original; and retaining means comprising a platen glass supporting member having one end on which said platen glass is placed and supported and a member on which the other end of said glass supporting member is placed which is supported on said frame, wherein said glass supporting member is formed of a relatively thin plate material and said member to be supported on the frame of the image reader is formed of a relatively thick plate material, and further including decoupling structure which allows said platen glass to move toward the light source lamp upon the application of a predetermined force on said platen glass.