Device for introducing sheets or envelopes into a printer

Details Device for introducing sheets or envelopes into a printer Device for introducing sheets or envelopes into a printer

1994-12-01

1996-06-18

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271121, 271167, B65H 352

Patent

active

055270298

ABSTRACT:
The introduction device includes a supply tray (6) with a front wall (9), in which a pile of sheets (14) is biased towards driving rollers (17) by the action of a support plate (12) and a spring (16). The front wall (9) is provided with an extension (30) of which one portion forms a fixed sloping plane (31) provided with three openings (34). Three leaf springs (35) are fastened on one side of the supply tray and have at their other end a curved part (36)engaged into the openings (34). These springs (35) form with the sloping plane (31) a retaining member (40) of which the slope is variable depending on the rigidity of the sheets or envelopes to be introduced, the slope being small in the case of thin sheets and greater in the case of rigid sheets or envelopes, thus ensuring a sheet by sheet introduction which is reliable.

REFERENCES:
patent: 5026042 (1991-06-01), Miller
patent: 5277417 (1994-01-01), Moritake

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