Recorders – Printing – dotting – or punching marker – Ink transfer support or moving means
Patent
1976-01-08
1978-03-21
Lucas, Jay P.
Recorders
Printing, dotting, or punching marker
Ink transfer support or moving means
291214, 346139C, G03G 1702
Patent
active
040806090
ABSTRACT:
A modular electrolytic recorder comprises four mechanical subassemblies and one electrical module for easy construction and replacement. Upon the chassis subassembly is mounted the anode subassembly including a flexible anode, a helix drum subassembly and a gear box transmission subassembly to which is attached the printed circuit board electrical module. Major features include: in the anode subassembly an easily replaceable, flexible anode comprising a plurality of essential discrete low mass integral springs for establishing good printing quality, the flexible anode having a reciprocating movement to provide for longer life and to maintain print quality; in the helix drum subassembly, a first wire for conducting current and a second dummy wire for cleaning the deposits left on the flexible anode to eliminate ghosting; and in the chassis subassembly, a drag roller for allowing movement of the paper through the electrolytic recorder only under positive feeding action as well as a detente arm which selectively disengages the paper from the drive mechanism so as to allow easy removal of the paper. Other features and characteristics forming part of the invention are more fully described in the detailed description.
REFERENCES:
patent: 2693992 (1954-11-01), Young
patent: 3261288 (1966-07-01), Dickerson
patent: 3451084 (1969-06-01), Silver
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patent: 3957087 (1976-05-01), Johnston
Cranson Kenneth G.
Garge Yash W.
Stockebrand Thomas C.
Digital Equipment Corporation
Fisher Arthur W.
Gunther John M.
Lucas Jay P.
Siekman Thomas C.
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