Calculator printer having an acoustic noise suppressor

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

Filed on

1979-12-03

Date issued

1981-07-21

Examiner

Sewell, Paul T.

Patent Class

Typewriting machines

SubClass

Platen or platen-moving mechanism

SubSubClass

Bar platen

Other Related Categories

400661, 400124, B41J 1108, B41J 1113

Type

Patent

Status

active

Patent number

042795257

Description

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.

Affiliated with

Also associated with

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