Printing – Selective or progressive – Bed and platen machines
Patent
1986-11-26
1988-05-03
Crowder, Clifford D.
Printing
Selective or progressive
Bed and platen machines
101 9348, B41J 148
Patent
active
047412682
ABSTRACT:
A wheel printer includes a rotary shaft driven by a motor via a planet gear system to rotate in opposite directions; and printing wheels mounted on the rotary shaft and having types along their circumferential surfaces. Rotation of the rotary shaft is selectively transmitted to or detached from the printing wheels to rotate the printing wheels in a desired direction so as to bring selected printing types on the printing wheels to respective printing positions.
REFERENCES:
patent: 4111117 (1978-09-01), Tezuka et al.
patent: 4632581 (1986-12-01), Ito et al.
Alps Electric Co. ,Ltd.
Crowder Clifford D.
Shoup Guy W.
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