Typewriting machines – Sheet or web – Including sheet guide
Patent
1979-07-09
1981-10-13
Pieprz, William
Typewriting machines
Sheet or web
Including sheet guide
101416A, 226196, 400126, 400619, 400647, 400694, B41J 304, B41J 1318
Patent
active
042945569
ABSTRACT:
A device for guiding a record medium sheet which is to be printed upon in a printing machine having a platen, the device being arranged to guide the sheet around the platen and including an apron member formed and positioned to hold the sheet in contact with the platen and to guide the sheet at a point closely below the line being printed, the member being constructed to conform to the curvature of the lower portion of the platen and presenting a press and guide edge at each end of the member in the direction of the circumference of the platen, and a spring biassing component disposed for pressing the member resiliently against the platen to cause the edges to bear against the platen, the member being of a material selected so that the coefficient of friction between the record medium sheet and the press and guide edges is less than the coefficient of friction between the platen and the record medium sheet.
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patent: 4165029 (1979-08-01), Mitchell
patent: 4197023 (1977-08-01), DeBoo
Olympia Werke AG
Pieprz William
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