SHEET SIZE DETECTION MECHANISM, SHEET LOADING DEVICE AND IMAGE FORMING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a sheet size detection mechanism capable of accurately detecting a sheet size and a sheet loading device and an image-forming device provided with the same. SOLUTION: A lever 4a is engaged with a detected part of a sheet size adjustment plate 6 and is provided with a coil spring 2a generating a pressing force to press a tact switch 1a through a switch pressing member 3a.