Calculator printer having an acoustic noise suppressor

Details Calculator printer having an acoustic noise suppressor Calculator printer having an acoustic noise suppressor

1979-12-03

1981-07-21

Sewell, Paul T.

Typewriting machines

Platen or platen-moving mechanism

Bar platen

400661, 400124, B41J 1108, B41J 1113

Patent

active

042795257

ABSTRACT:
An acoustical noise attenuating platen for an impact printer including lead material fastened with a thermoplastic compound to the rear surface of a non-rotatable bar.

REFERENCES:
patent: 2059275 (1936-11-01), Pitman
patent: 2104482 (1938-01-01), Helmond
patent: 4062436 (1977-12-01), Kondur et al.

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