Rotating envelope opening finger

Details Rotating envelope opening finger Rotating envelope opening finger

1993-03-29

1993-09-28

Culver, Horace M.

Package making

Means to open or erect receptacle

Means to open envelope

533816, 53569, B65B 4326, B65B 4330, B65B 3902

Patent

active

052477800

ABSTRACT:
A rotatable guide finger for opening an envelope prior to insertion of documents into the envelope. The finger includes a pivotable arm and a sidewall defining a channel. The sidewall extends downstream from the pivotable arm and has an upper and a lower sidewall portion, each of the sidewall portions including an arc having a radius of about 0.16 inches and a line at an angle of about fifty degrees to a horizontal radius to the arc.

REFERENCES:
patent: 3618292 (1969-12-01), Rademacher
patent: 4377929 (1983-03-01), Altenpohl et al.
patent: 4432188 (1984-02-01), Andrews
patent: 4494364 (1985-01-01), Meyn
patent: 4781013 (1988-11-01), Depasquale et al.
patent: 4805381 (1989-02-01), Hannon
patent: 5125214 (1992-06-01), Orsinger et al.
patent: 5168689 (1992-12-01), Macelis

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