Patent ID: 6151458
Filing Date: 2000-11-21
Classification: B65H,G03G

Abstract:
A sheet detecting device for contacting with a sheet being conveyed and detecting the sheet, comprising:a first moving member urged and moved by said sheet being conveyed;N (N.gtoreq.1) interlocking members moved in operative association with the movement of said first moving member;a second moving member moved in operative association with the movement of said N interlocking members;a detection signal producing portion producing a sheet detection signal on the basis of the movement of said second moving member;first biasing means provided on said first moving member for independently biasing said moved first moving member in a direction opposite to the direction of movement thereof so as to return it to its original position;N biasing means provided on respective ones of said N interlocking members for independently biasing said moved N interlocking members in a direction opposite to the direction of movement thereof so as to return them to their original positions; andsecond biasing means provided on said second moving member for independently biasing said moved second moving member in a direction opposite to the direction of movement thereof so as to return it to its original position.