Printing – Selective or progressive – Printing members
Patent
1976-07-12
1978-04-18
Coven, Edward M.
Printing
Selective or progressive
Printing members
101111, B41J 132
Patent
active
040845079
ABSTRACT:
A printing device for a portable label printing machine: The printing device is of the type in which the indicating wheels that both choose the types to be printed and that indicate the chosen types are arranged in a row on a common axis and the type wheels that carry the types to be printed and that are connected with the indicating wheels to be moved thereby are also arranged on another common axis and all of the wheels are located between side frames of the printing device; an indexing shaft having a selector knob is slid along the axis of and through the indicating wheels; the indexing shaft carries a pinion which engages the interior of the selected indicating wheel to rotate that wheel; the indicating wheels are supported around their peripheries in a blind hole formed in one of the side frames.
In a modified embodiment, the axially slidable indexing shaft that rotates the indicating wheels and the selector knob for rotating the indexing shaft are automatically moved into the body of the printing device after type selection; the indexing shaft comprises a hollow tubular body, the hollow portion of which is provided with a spring mechanism so as to urge the indexing shaft into the indicating wheels.
REFERENCES:
patent: 940186 (1909-11-01), Otteson
patent: 1188828 (1916-06-01), Putnam et al.
patent: 2351281 (1944-06-01), Nachemov
patent: 3363547 (1968-01-01), Thut et al.
patent: 3750565 (1973-08-01), Hubbard
patent: 3968745 (1976-07-01), Hamisch
patent: 3972281 (1976-08-01), Sams
Coven Edward M.
Kabushiki Kaisha Sato Kenkyusho
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