Sheet feeding or delivering – Feeding – Separators
Patent
1991-12-06
1993-02-23
Skaggs, H. Grant
Sheet feeding or delivering
Feeding
Separators
271119, B65H 306
Patent
active
051883503
ABSTRACT:
A sheet feeder having a stationary sheet feed rollers fixed on and rotatable integrally with a rotary shaft, each having a sheet contact portion for contact with the uppermost one of a plurality of sheets and a relief portion spaced from the uppermost sheet. Freely rotatable feed rollers are fitted on the rotary shaft and each free roller has contact portion for contact with the uppermost sheet and a relief portion spaced from the uppermost paper. Urging members for urging engagement members on the stationary sheet feed rollers into engagement with engagement recesses on the free sheet feed rollers in normal state are disposed on the shaft. A pair of transportation rollers are disposed upstream in the sheet transportation direction beyond the stationary and free sheet feed rollers. Upon the rotation of the stationary sheet feed rollers, the stationary and free sheet feed rollers feed the uppermost one of the plurality of sheets. The stationary sheet feed rollers come to a halt with the paper relief portions facing the uppermost sheet when the leading edge of the uppermost sheet reaches the transportation rollers.
REFERENCES:
patent: 4438915 (1984-03-01), Akamatsu et al.
Brother Kogyo Kabushiki Kaisha
Druzbick Carol Lynn
Skaggs H. Grant
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