Patent ID: 7793930

Claim:
A paper feeding mechanism applied to an office machine for feeding a paper, said paper feeding mechanism comprising: a first adjusting board having a first fixing component; a second adjusting board having a second fixing component, wherein each of said first fixing component and said second fixing component has a fastener; a paper feeding body having a first groove and a second groove, the first groove having a first axis passing through the first groove in a longitudinal dimension of the first groove, the second groove having a second axis passing through the second groove in a longitudinal dimension of the second groove, and said first fixing component is penetrated through said first groove and said second fixing component is penetrated through said second groove; a flexible component having a bending structure, wherein one end of said flexible component is fixed on said first fixing component of said first adjusting board and the other end of said flexible component is fixed on said second fixing component of said second adjusting board, and each of said two ends of said flexible component has a hole for being engaged with said fastener of each of said first and second fixing components so as to fix said two ends of said flexible component on said first and second adjusting boards, respectively; and a plurality of rails disposed on said paper feeding body and abutting against said flexible component for supporting said flexible component; thereby said first adjusting board and said second adjusting board are moved simultaneously and in opposite directions by means of said bending structure so as to adjust a relative distance between said first adjusting board and said second adjusting board in response to a size of said paper.