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US3552668A Expired / Lapsed US ⏱️ 0.0 years remaining

Rolling curl removing device for rolled photosensitive paper

Assignee: Ricoh Co Ltd
•
Filing: 1968-10-21
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Granted: 1971-01-05
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Expires: 1988-10-21
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Abstract

Abstract There is disclosed herein a rolling curl removing device for rolled photosensitive paper used in reproduction apparatus wherein the rewound photosensitive paper is curled in the direction opposite to the rolling curl so as to remove the rolling curl. This rolling curl removing action is stopped at the same time that the photosensitive paper stops being fed.

Inventors

  • 👤 Tadaaki Kanno

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:26
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/65; G03G15/6517; G03G15/6523; G03D; G03D13/00; G03D13/003; G03G15/6588; G03G15/6594; G03G15/6597; G03G2215/00; G03G2215/00362; G03G2215/00443; G03G2215/00518; Y; Y10; Y10T; Y10T83/00; Y10T83/444; Y10T83/4458; Y10T83/446; Y10T83/889

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 144 words
In a reproduction apparatus comprising in combination feeding means for feeding paper from a first station to a second station, cutting means for cutting said paper between said stations, and a curl removing device comprising a paper-engaging member, support means supporting said paper-engaging member for moving said paper-engaging member into an operative paper-engaging position and into an inoperative position remote from said paper, camming means including a first and a second track, follower means tracking said first track, intermediary means interconnecting said follower means with said support means, switching means including a follower tracking said second track, and means coupling said switching means with both said feeding means and said cutting means, said first and second tracks cooperating with the respective followers such that the paper engaging member is moved into said inoperative position remote from said paper when said feeding means is stopped.
Claim 2
Dependent Claim 144 words
In a reproduction apparatus comprising in combination feeding means for feeding paper from a first station to a second station, cutting means for cutting said paper between said stations, and a curl removing device comprising a paper-engaging member, support means supporting said paper-engaging member for moving said paper-engaging member into an operative paper-engaging position and into an inoperative position remote from said paper, camming means including a first and a second track, follower means tracking said first track, intermediary means interconnecting said follower means with said support means, switching means including a follower tracking said second track, and means coupling said switching means with both said feeding means and said cutting means, said first and second tracks cooperating with the respective followers such that the paper engaging member is moved into said inoperative position remote from said paper when said feeding means is stopped.
Claim 3
Dependent Claim 52 words
The combination as claimed in claim 1, wherein said follower means tracking said first track comprises a lever having opposite end portions, said follower means being pivotally supported between said opposite end portions, one end portion being engageable with said first track, the other end portion being connected to said intermedIary means.
Claim 4
Dependent Claim 39 words
The combination as claimed in claim 2 including a first stop being engageable with said paper-engaging member in said operative paper-engaging position, and a second stop engageable with said paper-engaging member in said inoperative position remote from said paper.
Claim 5
Dependent Claim 23 words
The combination as claimed in claim 3, wherein said feeding means comprises a pair of rollers engageable with opposite sides of said paper.
Claim 6
Dependent Claim 14 words
The combination as claimed in claim 4, wherein said intermediary means is a spring.
Claim 7
Dependent Claim 16 words
The combination as claimed in claim 5, wherein said support means includes a pivotally supported lever.
Claim 8
Dependent Claim 22 words
The combination as claimed in claim 1, wherein said cutting means operates to cut said paper when said feeding means is stopped.

References Cited (Backward Citations)

US1807274A Cited
US2288786A Cited
US2592090A Cited
US2486121A Cited
US2558788A Cited
US2737089A Cited
US2963087A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-01-04 1974-07-06 1975-01-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-01-04 1978-07-06 1979-01-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-01-04 1982-07-06 1983-01-05 $7700.00 Window Closed / Lapsed

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