Title:
RIBBON FEEDER AND PRINTER
Document Type and Number:
WIPO Patent Application WO/2005/120844
Kind Code:
A1
Abstract:
Ribbon tension detecting means (20, 21) each consisting of a plate-like lever body (35) are disposed upstream and downstream, respectively, of a ribbon path from a platen (7). The plate-like lever body (35) has first and second rollers (47, 48) disposed upstream and downstream of the ribbon path and swings around the axis of the rotary shaft of the second roller (48) according to the tension on the ribbon traveling as guided by these rollers (47, 48). When the amount of swing is above or below a fixed vale, a ribbon feed motor (18) or a ribbon winding motor (19) is driven. Further, the ribbon tension detecting means (20, 21) are each provided with a wrinkle eliminating member adapted to contact an ink ribbon (13) so as to eliminate wrinkles formed in the ink ribbon (13).
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Inventors:
UEDA MASAHIKO (JP)
MORITA SEIJI (JP)
SAKURAI HIROSHI (JP)
MORITA SEIJI (JP)
SAKURAI HIROSHI (JP)
Application Number:
PCT/JP2005/010339
Publication Date:
December 22, 2005
Filing Date:
June 06, 2005
Export Citation:
Assignee:
CITIZEN WATCH CO LTD (JP)
UEDA MASAHIKO (JP)
MORITA SEIJI (JP)
SAKURAI HIROSHI (JP)
UEDA MASAHIKO (JP)
MORITA SEIJI (JP)
SAKURAI HIROSHI (JP)
International Classes:
B41J17/08; B41J17/10; B41J17/30; B41J33/52; B41J35/04; (IPC1-7): B41J17/30; B41J17/08; B41J17/10; B41J33/52; B41J35/04
Foreign References:
| JPS62113581A | 1987-05-25 | |||
| JPS6153157U | 1986-04-10 | |||
| JPS61188172A | 1986-08-21 | |||
| JPH01295872A | 1989-11-29 | |||
| JPH11246093A | 1999-09-14 | |||
| JP2000191194A | 2000-07-11 |
Attorney, Agent or Firm:
Takemoto, Shoji (2-20 Toranomon 1-chom, Minato-ku Tokyo 01, JP)
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