Cylindrical platen printer with improved paper guide

Details Cylindrical platen printer with improved paper guide Cylindrical platen printer with improved paper guide

1981-11-12

1984-03-20

Crowder, Clifford D.

Typewriting machines

Sheet or web

Including sheet guide

4006002, 4006371, 4006361, 4006454, B41J 1316

Patent

active

044377800

ABSTRACT:
For the reliable guiding of a record carrier and the printing thereon as far as in the vicinity of the upper and lower edge, a pivotable device is arranged over the printing drum, said device comprising two or more flat hold-down devices which are arranged on a rotatable shaft. The hold-down devices can be slid into a first position in which they engage the printing drum and a second position in which they are lifted off the printing drum. In the first position, the record carrier is deflected to the printing drum during transport, and in the second position it is transported by additional pressure rollers. The device is pivotable about the printing drum into three positions and is constructed as a modular unit. This enables the simultaneous or alternating transport about the printing drum of different record carriers in a different manner.

REFERENCES:
patent: 1608850 (1926-11-01), Going
patent: 2978087 (1961-04-01), Wendt
patent: 3750792 (1973-08-01), Liles

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