Resources Contact Us Home
Sheet feeding apparatus and two side image forming apparatus therewith

Image Number 5 for United States Patent #5931455.

A sheet feeder for feeding a sheet from a sheet stacker. The sheet feeder includes: a main body of the sheet stacker for holding plural stacked sheets; a movable bottom plate, provided on the bottom portion of the main body and supported bivotally on an axis, for supporting the plural stacked sheets; a lifting lever for lifting the movable bottom plate; and plural pickup rollers, aligned on an axis in a direction perpendicular to a sheet feeding direction, for having a pressure contact with a sheet of the plural stacked sheets on the movable bottom plate, and for feeding the sheet from the main body in the sheet feeding direction. In the sheet feeder, a protruded portion is formed either on the movable bottom plate or on the lifting lever so that a contact portion where the movable bottom plate comes in contact with the lifting lever is of a point contact, and the contact portion is provided at the center of the closest two of the pickup rollers in the direction of their axis.

  Recently Added Patents
Method of measuring specific absorption rate of electromagnetic waves
Wire guide
Administrable compositions
Color image forming apparatus with contact control of process units
Real ear measurement system using thin tube
Estimating stack distances
Resist underlayer film forming composition for lithography, containing aromatic fused ring-containing resin
  Randomly Featured Patents
Consumer behaviors at lender level
Image sensor and method for manufacturing the same
Restraint device for use when bathing an animal
Conversion processes with titanium-containing molecular sieves
Oxytetracycline capsules with increased stability and methds of producing the same
Self-aligning waveguide sensor
Method of Increasing activation on proliferation of T cells using antibody-microbead conjugates
Applicator package
Safety closure