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    • 6. 发明专利
    • SHEET FEEDER
    • JPH0276768A
    • 1990-03-16
    • JP22848488
    • 1988-09-14
    • CANON KK
    • KANEKO MASANORI
    • B41J13/02B41J13/048
    • PURPOSE:To bring a following roller into contact with sheet feed rollers by a sufficient and uniform pressing force to improve a sheet feed accuracy by a method wherein an elastic member is made to press respective following roller support parts of a sheet guide member toward the sheet feed rollers by applying a sufficient and uniform pressing force. CONSTITUTION:Feed rollers 4, 5 are brought into contact with a platen 1 by pressing ribs 3a of a paper pan 3 toward the platen 1 by plate springs 6. The plate springs 6 are bent into a slender L-shape form and provided one for each of the ribs 3a of the paper pan 3. The plate spring 6 is supported in a cantilever manner by fixing the base end part on a support part 2d projected from the bottom plate of a frame 2 with a bis 12. The top end part thereof with a semicircularly bent top end is moved so as to engage with a groove 3c of the rib 3a of the paper pan 3 through a hole 7d formed on a release plate 7.