Sheet feeding apparatus with adjustable urging members

Details Sheet feeding apparatus with adjustable urging members Sheet feeding apparatus with adjustable urging members

1992-01-27

1993-07-27

Olszewski, Robert P.

Sheet feeding or delivering

Feeding

Separators

271126, 271160, B65H 352, B65H 110

Patent

active

052305031

ABSTRACT:
This invention relates to a sheet feeding apparatus with a support for stacking sheets; feeding roller for feeding out sheets stacked on the support; a plurality of urging members for urging the stacked sheets against the feeding roller; and a stopper for releasing at least one of the plurality of urging members from urging against the stack of sheets whenever the amount of sheets is less than a predetermined level.

REFERENCES:
patent: 1919238 (1933-07-01), McCarthy
patent: 3869116 (1975-03-01), Kloeker
patent: 3963339 (1976-06-01), Taylor et al.
patent: 4027871 (1977-06-01), Niemeyer et al.
patent: 4364551 (1982-12-01), Rujishauser
patent: 4418904 (1983-12-01), Fujimoto
patent: 4458890 (1984-07-01), Kawazu
patent: 4606535 (1986-08-01), Larson
patent: 4957285 (1990-09-01), Yamada
Seldin, "Document Handler", 1-1976, Xerox Disclosure Journal, vol. 1, No. 1, p. 91.

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