Sheet feed apparatus

Details Sheet feed apparatus Sheet feed apparatus

1981-05-18

1983-02-08

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271127, 271160, 271164, 271170, B65H 306, B65H 356

Patent

active

043725473

ABSTRACT:
A stack of sheets (59) are placed on a movable bottom plate (53) of a cassette (52) and aligned with a leading edge and a side edge of the cassette (52). A corner separator (66) is provided at the corner of the leading and side edges. The bottom plate (53) is raised so that the top sheet (59) engages with a single feed roller (61) which is disposed adjacent to the corner separator (66). A skew preventing roller (68) engages with the top sheet (59) upstream of the feed roller (61)in a feed direction of the sheet (59). A manual lever (88) is provided to move the skew preventing roller (68) and an arm (56) for raising the bottom plate (53) clear of the cassette (52) for the purpose of detaching or inserting the cassette (52) in a frame (94). In a released position of the lever (88), a portion (122) of the lever ( 88) blocks insertion and detachment of the cassette (52) while the skew preventing roller (68) and raising arm (56) are in operative positions.

REFERENCES:
patent: 1918460 (1933-07-01), Eccardt
patent: 3184231 (1965-05-01), Varrichio
patent: 3599971 (1971-08-01), Moridka
patent: 3689064 (1972-09-01), Kuksa
patent: 4071295 (1978-01-01), Komori et al.
Beentjes, P. et al., "Picker Mechanism", IBM Technical Disclosure Bulletin, vol. 16, No. 1, Jun. 1973, p. 63.

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