Setting knobs for selective print head

Details Setting knobs for selective print head Setting knobs for selective print head

1979-08-27

1981-05-26

Coven, Edward M.

Printing

Selective or progressive

Printing members

74553, 74554, 16121, A61B 512, B41J 120

Patent

active

042691192

ABSTRACT:
There is disclosed a multi-line print head for a labeler. The print head includes a plurality of lines of printing members and a selector for each line. Each selector includes a shaft rotatable by a respective knob. The knobs are close to each other in certain axial positions. Each knob can transmit rotation and axial movements to its respective shaft. However, any knob can be shifted axially to a limited extent relative to its respective selector shaft to a position clear of any other knob. Thus, the other knob or knobs do not interfere with manual rotation of the selected knob.

REFERENCES:
patent: 2111965 (1938-03-01), Crutchfield
patent: 2901920 (1959-09-01), Felts
patent: 3100404 (1963-08-01), Boeddeker et al.
patent: 3557637 (1971-01-01), Tomczak
patent: 3948172 (1976-04-01), Jenkins
patent: 4132129 (1979-01-01), Pratt

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