Operator interchangeable gear driven platen and platen drive mec

Details Operator interchangeable gear driven platen and platen drive mec Operator interchangeable gear driven platen and platen drive mec

1981-06-16

1982-08-31

Pieprz, William

Typewriting machines

Sheet or web

For feeding web record-medium

400568, 74384, 74354, B41J 1996

Patent

active

043470092

ABSTRACT:
A support for an idler gear is pivotally mounted about the driving gear axis in a gear driven platen drive for a typewriter. A constraining member mounted with the interchangeable platen engages and constrains the support in a position to insure engagement of the idler with the platen gear and may be sized or shaped to insure proper positioning of the support and idler for a number of different platen gears of varying diameters, allowing platens and platen gears to be readily changed to vary the line feed increment as desired by the operator.

REFERENCES:
patent: 2919783 (1960-01-01), Stimson
patent: 3587811 (1971-06-01), Smith et al.
patent: 3670981 (1972-06-01), Cavella
patent: 3761000 (1973-09-01), Hagstrom
patent: 4133216 (1979-01-01), Gentile et al.

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