Cartridge and roller for a consumable ribbon, receiving apparatus, and rotational roller coupling method
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United States of America Patent
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Jun 29, 1999
Grant Date -
N/A
app pub date -
Feb 19, 1997
filing date -
Oct 14, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A roller for a wound ribbon such as a printer ink ribbon may be rotationally coupled by pushing the projections or teeth of a wheel on a drive spindle into a soft material defining part of the bore in the roller. A spring blade prevents the wheel from freely rotating and provides a snap-in feeling. The roller may be part of a cartridge having members for locking the rollers in a position in which the ribbon tension is optimized. The roller and spindle may be coupled in any relative angular position, and the rollers may thus be locked. Release is automatic when the cartridge is full engaged. The ribbon may therefore be more readily installed in an optimized matter.
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