Comma printing mechanism

Details Comma printing mechanism Comma printing mechanism

1974-10-21

1976-03-30

Burr, Edgar S.

Printing

Selective or progressive

Bed and platen machines

101110, B41J 132

Patent

active

039466663

ABSTRACT:
A printing apparatus in which a comma printing mechanism prints commas at any desired location within a printed number. Comma printing is accomplished by comma hammers, with one hammer provided between each two numerical places of the printing apparatus. All the comma hammers are initially maintained in a nonprinting position, and all are moved to an intermediate position prior to the printing of a number. Selected comma hammers, corresponding to the locations within a number at which comma printing is desired, are then advanced to a printing position, and the number is printed. After the number and selected commas are printed, the comma hammers are returned to the initial nonprinting position.

REFERENCES:
patent: 2872862 (1959-02-01), Lydfors
patent: 3016007 (1962-01-01), Gelling
patent: 3138325 (1964-06-01), Stephen
patent: 3422754 (1969-01-01), Bakardjiev et al.
patent: 3690249 (1972-09-01), Nihira
patent: 3738264 (1973-06-01), Sobottka et al.
patent: 3861302 (1975-01-01), Mizvtani et al.

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