Sheet transfer device with guide plates and hold rollers

A sheet transfer machine provided at an image forming machine having an image forming drum driven to rotate and pressing means for forming an image on the sheet by pressing the sheet to the image forming drum, for supplying the sheet to between the image forming drum and the pressing means, comprising:

• a guide plate for guiding the sheet on an upper surface thereof,
• a first roll,
• a second roll located in the guide plate for sandwiching the sheet between the first roll and the second roll to thereby transfer the sheet in a predetermined direction along the guide plate, and
• a press member arranged on a downstream side of a sheet transfer direction relative to the first and the second rolls, said press member pressing an upper surface of the sheet transferred through the first and second rolls to the upper surface of the guide plate.

A sheet transfer machine provided at an image forming machine comprising an image forming drum driven to rotate and pressing means for pressing the sheet to the image forming drum to thereby print the sheet, for supplying the sheet to between the image forming drum and the pressing means, comprising:

• guiding means comprising an upper guide plate and a lower guide plate arranged at a predetermined interval therebetween and formed with hole portions respectively at positions of the upper guide plate and the lower guide plate in correspondence with each other;
• an upper roll arranged on an upper side of the upper guide plate proximately to the hole portions of the upper guide plate;
• a lower roll arranged on a lower side of the lower guide plate proximately to the hole portions of the lower guide plate for sandwiching the sheet inserted between the upper guide plate and the lower guide plate between the upper roll and the lower roll and transferring the sheet in a predetermined direction along the guiding means;
• and
• a press member arranged on a downstream side of the upper roll in the predetermined direction for pressing the sheet coming out from between the upper guide plate and the lower guide plate to an upper face of the lower guide plate.