Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1974-09-05

1976-04-13

Blunk, Evon C.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 35, 271117, 271121, 271165, 271245, 271272, B65H 304, B65H 106, B65H 506, B65H 906

Patent

active

039499790

ABSTRACT:
A belt type separator contacts a stack to feed a sheet to a retard nip formed between the belt and a retard member. The belt is supported by a first pulley downstream of the stack and a second pulley adjacent the stack which is pivotable relative to the first pulley. Frictional resistance encountered by the belt at the nip will cause the normal force with which the belt bears against the stack to increase. Oppositely skewed rolls are used to tension sheets fed to a sheet aligning abutment. When the separator is positioned below the stack, a pivotable lever may be used to hold the stack against the separator. The pressing effect of the lever may be overridden upon an increase of the force with which the separator engages the stack.

REFERENCES:
patent: 2357816 (1944-09-01), Flanigan
patent: 2461376 (1949-02-01), Feldmeier
patent: 3021136 (1962-02-01), Fox
patent: 3210074 (1965-10-01), Miaskoff
patent: 3262697 (1966-07-01), Krinke
patent: 3281144 (1966-10-01), Turner et al.
patent: 3339917 (1967-09-01), Petrovsky
patent: 3485489 (1969-12-01), Lindquist
patent: 3517923 (1970-06-01), Hoffman et al.
patent: 3768803 (1973-10-01), Stange

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