Ribbon cassette
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 28, 2004
Grant Date -
N/A
app pub date -
Sep 4, 2002
filing date -
Sep 4, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ribbon cassette containing a supply core, a web located on the supply core, a storage core, a device for increasing the tension on the web as it passes from said supply core to said storage core to produce a tensioned web, a drive roller contiguous with the web, and a nip roller contiguous with the web. The said tensioned web is passed in a first rotary direction around a portion of the drive roller, and then it is passed in a second rotary direction around a portion of the nip roller, and then it is passed in a in rotary direction identical to the first rotary direction around a portion of the storage core. A nip is formed between the nip roller, the web, and the drive roller such that either the nip roller or the drive roller is compressed by at least about 0.001 percent.
First Claim
Other Claims data not available
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- B41J Class
- 4.08 % this patent is cited more than
- 21 Age