Printing area cover plate for typewriters or like machines

Details Printing area cover plate for typewriters or like machines Printing area cover plate for typewriters or like machines

1980-10-09

1982-07-20

Pieprz, William

Typewriting machines

Means auxiliary to typewriting function

Means for muffling typewriter noise

400645, 400694, 400668, B41J 2908, B41J 2938

Patent

active

043403158

ABSTRACT:
Disclosed is a preferably transparent removably mounted cover plate for covering the top opening or printing point area in a printer, e.g. a needle printer, which serves to reduce noise and to prevent the introduction of foreign substances and dust. Of particular advantage is the inclusion on the cover plate of paper guide elements, a switch actuating cam which acts on a switch to shut off the machine when the cover plate is removed or swung out, and a paper tear-off edge.

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patent: 2950802 (1960-08-01), Yerks
patent: 3112228 (1964-02-01), Dollenmayer et al.
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patent: 3901372 (1975-08-01), Denley
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patent: 4175878 (1979-11-01), Wing
Cassell et al., "Cut Forms Feed Gate", IBM Technical Disclosure Bulletin, vol. 23, No. 3, pp. 903-904, 8/80.
Freeman, "Power . . . Hood", IBM Tech. Discl. Bulletin, vol. 20, No. 12, pp. 5229-5230, 5/78.

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