Automatic mail processing apparatus

Details Automatic mail processing apparatus Automatic mail processing apparatus

1974-01-17

1976-02-17

Burr, Edgar S.

Printing

Printing and sorting

101234, 198DIG16, 198271, 209DIG1, 209 74M, 271 64, 355 23, B41F 2100, B41F 1000

Patent

active

039384357

ABSTRACT:
In an automatic mail processing apparatus, the mail is fed one by one by a feeding mechanism to a transport path having a stamp detecting station and a canceling station. At the former station, each piece of the mail is scanned by a pair of detectors which determine the presence or absence of a stamp at the lower end portion of both surfaces of the piece of mail. In the absence of a stamp at the particular portion, the piece of mail is switched to another transport path where it is reversed for subsequent rescanning. When the reversed piece of the mail is fed back to the transport path, the operation of the feeding mechanism is temporarily stopped to prevent the reversed piece of the mail from meeting with subsequent pieces of the mail to be fed by the mechanism.

REFERENCES:
patent: 2894626 (1959-07-01), Mulders et al.
patent: 2928337 (1960-03-01), Pollak, Jr.
patent: 2936886 (1960-05-01), Harmon
patent: 2984349 (1961-05-01), Mathis
patent: 2988984 (1961-06-01), Eckert, Jr. et al.
patent: 3083012 (1963-03-01), Poland
patent: 3141540 (1964-07-01), Burkhardt
patent: 3227444 (1966-01-01), Egan
patent: 3641931 (1972-02-01), Hickox et al.
patent: 3656616 (1972-04-01), Wallington
patent: 3724657 (1973-04-01), Katagiri

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