Automatic ribbon re-inker

Details Automatic ribbon re-inker Automatic ribbon re-inker

1986-01-13

1987-09-01

Burr, Edgar S.

Typewriting machines

Including interposed inking device for record-medium

Renovation of used ribbon

4002023, B41J 3114, B41J 3200

Patent

active

046905766

ABSTRACT:
The operational lifetime of a standard ink ribbon cassette or other ribbon transport device is significantly extended by the addition, to a standard cassette, of a inexpensive reservoir and a feeder means. The configuration claimed uses the ribbon driver means, provided in all standard cassettes, as a demand valve, blocking ink flow to the ribbon except when ink is being removed from the ribbon by printing. The demand valve transports ink to the ribbon from a wick type feeder, which is supplied by a absorptive, saturated, reservoir. The reservoir shape, size, and absorptive material, and the feeder, are matched to the requirements of each printer, to control ink flow to the demand valve at a rate closely matching the rapid rate of ink removal from the ribbon by the printing operation.

REFERENCES:
patent: 3937178 (1976-02-01), Newman
patent: 4091913 (1978-05-01), Ku et al.

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