Supporting plate for automatic document feeder and paper output mechanism using same

Abstract

A supporting plate for an automatic document feeder, adapted to configure a plurality of paper feeding rollers installed correspondingly to a plurality of transmission wheels, and used for transmitting a document to a paper output tray, the supporting plate including a plate body, including a plurality of accepting holes and adapted to install the plurality of paper feeding rollers, the plurality of paper feeding rollers and the plurality of transmission wheels drive the document move along a paper output direction toward the paper output tray; and a plurality of supporting portions, disposed at sides of the plurality of accepting holes along the paper output direction, and used for supporting the document to cause the document to form a curved body while being moved. A paper output mechanism using the aforementioned supporting plate is also disclosed here.

1 . A supporting plate for an automatic document feeder, adapted to configure a plurality of paper feeding rollers correspondingly to a plurality of transmission wheels, and used for transmitting a document to a paper output tray, the supporting plate comprising:
 a plate body, comprising a plurality of accepting holes and adapted to install the plurality of paper feeding rollers, the plurality of paper feeding rollers and the plurality of transmission wheels drive the document to move along a paper output direction toward the paper output tray; and   a plurality of supporting portions, disposed at sides of the plurality of accepting holes along the paper output direction, and used for supporting the document to cause the document to form a curved body while being moved.   
     
     
         2 . The supporting plate for an automatic document feeder according to  claim 1 , wherein a top of the supporting portion is higher than a top of the paper feeding roller. 
     
     
         3 . The supporting plate for an automatic document feeder according to  claim 1 , wherein the supporting portion comprises a first end and a second end corresponding to each other, the height of the second end is grater than the height of the first end. 
     
     
         4 . The supporting plate for an automatic document feeder according to  claim 3 , wherein the second end of the supporting portion is closer to the paper output tray than the first end thereof. 
     
     
         5 . The supporting plate for an automatic document feeder according to  claim 1 , wherein the supporting portion is formed by extending the plate body. 
     
     
         6 . The supporting plate for an automatic document feeder according to  claim 1 , wherein the supporting portion is an elastic sheet. 
     
     
         7 . A paper output mechanism for an automatic document feeder, comprising:
 a paper output tray;   a plurality of transmission wheels;   a plurality of paper feeding rollers, installed correspondingly to the plurality of transmission wheels;   a plate body, comprising a plurality of accepting holes and adapted to install the plurality of paper feeding rollers, the plurality of paper feeding rollers and the plurality of transmission wheels drive the document to move along a paper output direction toward the paper output tray; and   a plurality of supporting portions, disposed at sides of the plurality of accepting holes along the paper output direction, and used for supporting the document to cause the document to form a curved body while being moved.   
     
     
         8 . The supporting plate for an automatic document feeder according to  claim 7 , wherein a top of the supporting portion is higher than a top of the paper feeding roller. 
     
     
         9 . The supporting plate for an automatic document feeder according to  claim 7 , wherein the supporting portion comprises a first end and a second end corresponding to each other, the height of the second end is grater than the height of the first end. 
     
     
         10 . The supporting plate for an automatic document feeder according to  claim 9 , wherein the second end of the supporting portion is closer to the paper output tray than the first end thereof. 
     
     
         11 . The supporting plate for an automatic document feeder according to  claim 7 , wherein the supporting portion is formed by extending the plate body. 
     
     
         12 . The supporting plate for an automatic document feeder according to  claim 7 , wherein the supporting portion is an elastic sheet.