Printing head for printing bar code characters

Details Printing head for printing bar code characters Printing head for printing bar code characters

1976-04-21

1977-04-19

Burr, Edgar S.

Printing

Selective or progressive

Printing members

101106, B41J 160

Patent

active

040181570

ABSTRACT:
A printing head for precisely printing bar code characters, which printing head is mounted on a portable label printing machine or the like and comprises: a pair of frame plates; a plurality of bar code type rings carrying a series of bar code types therein; carriers for indicia to indicate the type face on a type ring then at the print position; a type ring selector shaft movable to each type ring for selecting a particular type on each bar code type ring; the distance between the frame plates is slightly larger than the total thickness of the type rings; a pressing means to press the type rings together in the axial direction is positioned between one frame plate and the type rings; the pressing means releases the type rings when they are to be rotated in a type selection step; in one embodiment, type face arranging bars are passed through the type rings for attaining uniform flatness of type face; in an embodiment there are separate type rings and indicia carrying rings and there is an interlocking mechanism interlocking the type rings and the indicator rings.

REFERENCES:
patent: 3269306 (1966-08-01), Smilgys
patent: 3338160 (1967-08-01), Heil
patent: 3482512 (1969-12-01), Jung
patent: 3744411 (1973-07-01), Becker
patent: 3796152 (1974-03-01), Finke et al.
patent: 3927613 (1975-12-01), Nantz
patent: 3968745 (1976-07-01), Hamisch, Jr.

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