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US4651173A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuous-form recorder having decrumpling means for removing creases in the form

Assignee: Canon Inc
•
Filing: 1985-05-13
•
Granted: 1987-03-17
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Expires: 2005-05-13
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Abstract

Abstract A recorder for recording on a continuous form, perforated, recording sheet includes a first roller disposed upstream of the recording position for feeding the continuous form to the recording position, press roller means for pressing the continuous form against said first roller, a second roller disposed downstream of the recording position for maintaining the continuous form in tension across the recording position, and apparatus for decrumpling, disposed between the recording position and the first feed roller.

Inventors

  • 👤 Masakazu Ozawa
  • 👤 Kunitaka Ozawa
  • 👤 Katsunori Hatanaka
  • 👤 Tetsuo Suzuki
  • 👤 Tetsuzo Mori
  • 👤 Tadashi Shiina
  • 👤 Ryuichi Ebinuma

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 03:15
CPC Classifications
B; B41; B41J; B41J29/00; B41J29/02; B41J29/026

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 93 words
A recorder for recording on a continuous form, perforated, recording sheet, the recorder comprising: a first roller disposed upstream of a recording position for feeding the continuous form to the recording position; press roller means for pressing the continuous form against said first feed roller; a second roller disposed downstream of the recording position for maintaining the continuous form in tension across the recording position; and decrumpling means, disposed between the recording position and said first feed roller, for substantially removing creases in the form caused by the tension created therein during feeding.
Claim 2
Dependent Claim 93 words
A recorder for recording on a continuous form, perforated, recording sheet, the recorder comprising: a first roller disposed upstream of a recording position for feeding the continuous form to the recording position; press roller means for pressing the continuous form against said first feed roller; a second roller disposed downstream of the recording position for maintaining the continuous form in tension across the recording position; and decrumpling means, disposed between the recording position and said first feed roller, for substantially removing creases in the form caused by the tension created therein during feeding.
Claim 3
Dependent Claim 31 words
A recorder according to claim 1, wherein said decrumpling means include a curved member for pressing the continuous form against said first roller over substantially the entire width of the form.
Claim 4
Dependent Claim 21 words
A recorder according to claim 2, wherein said decrumpling means includes adjusting means for adjusting the position of said decrumpling means.
Claim 5
Dependent Claim 21 words
A recorder according to claim 1, wherein said decrumpling means includes adjusting means for adjusting the position of said decrumpling means.

References Cited (Backward Citations)

US3360799A Cited
US3623121A Cited
US3854145A Cited
US4296420A Cited
EP0043008A1 Cited
US4537521A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-03-16 1990-09-15 1991-03-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-03-16 1994-09-15 1995-03-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-03-16 1998-09-15 1999-03-17 $7700.00 Window Closed / Lapsed

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