Receipt cutting mechanism for dot matrix printer

Details Receipt cutting mechanism for dot matrix printer Receipt cutting mechanism for dot matrix printer

1989-07-24

1990-12-25

Burr, Edgar S.

Typewriting machines

Sheet or web

For feeding web record-medium

101226, B41J 1170

Patent

active

049798383

ABSTRACT:
A receipt cutting mechanism includes a round knife or blade which is positively and rotatably driven and which engages with a fixed knife edge as the round knife travels across the printer on a driven carriage. The positive drive includes a gear cluster arrangement operated by a toothed belt which is stretched across the printer. The round knife is maintained in engagement with the fixed knife edge by means of a torsion spring tending to rotate the knife and its support in one direction.

REFERENCES:
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patent: 3984211 (1976-10-01), Hawkins
patent: 4086835 (1978-05-01), Frederick
patent: 4355794 (1982-08-01), Costigan
patent: 4383458 (1983-05-01), Kitai et al.
patent: 4401001 (1983-08-01), Gerber et al.
patent: 4504162 (1985-03-01), Speraggi
patent: 4691605 (1987-09-01), Vanetik et al.
patent: 4701063 (1987-08-01), Wysk et al.
patent: 4864906 (1989-08-01), Hall

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