Carbon ribbon supply apparatus for a printer
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United States of America Patent
Stats
-
Apr 24, 1990
Grant Date -
N/A
app pub date -
Jun 3, 1988
filing date -
Jun 9, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The supply spindle for the carbon ribbon in a thermal printer is supported cantileverly at one end thereof by a pair of axially spaced bearings. The axis of the second bearing is slightly off center relative to the axis of the first bearing, the precise location of the second bearing being adjustable in a manner that tilts and thus orients the spindle axis relative to the frame of the thermal printer. This enables the supply spindle to be aligned to the other parts in the printer so as to prevent twisting and wrinkling of the carbon ribbon. The invention compensates for manufacturing and assembly tolerances in the thermal printer and results in a consistently reliable printing quality.
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