Sheet feeding apparatus with an elevation type base plate

Details Sheet feeding apparatus with an elevation type base plate Sheet feeding apparatus with an elevation type base plate

1993-02-23

1994-03-15

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Pack holders

271147, B65H 126

Patent

active

052941051

ABSTRACT:
A recording sheet feeding apparatus comprises a tray frame with four vertical walls which surround an inner space, a stacking plate which is movable in the vertical direction within the inner space guided by the vertical walls, a winding roller for moving the stacking plate through a mechanical transmission which converts a rotation of the winding roller to the vertical movement of the stacking plate and a counterweight means for lifting up the stacking plate by applying a counterweight torque to the winding roller in accordance with the rotation angle thereof.

REFERENCES:
patent: 2833540 (1958-05-01), Koch
patent: 5150893 (1992-09-01), Uno et al.
patent: 5201509 (1993-04-01), Kirchhoff et al.

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