US3751158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic copying apparatus
Assignee: Individual
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Filing: 1970-10-06
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Granted: 1973-08-07
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Expires: 1990-10-06
Abstract
Abstract An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper. The apparatus includes an actuator member provided on the original supporting table for setting an original on the supporting table in accordance with the size thereof, means for cutting the roll of photosensitive paper in accordance with the size of the original on the supporting table while a through-slit exposure is being effected, and means for stopping the original supporting table upon completion of the exposure, whereby the roll of photosensitive paper may be cut into sheets corresponding in size to the original with the aid of the actuator member and the stroke of the supporting table may be adjusted in accordance with the size of the original, thus achieving the copying operation at a greater speed.
Inventors
- 👤 S Komori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:44
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/28
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
205 words
An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper, said apparatus comprising an original supporting table, means for driving the original supporting table reciprocally, actuating means adjustably mounted on said original supporting table for selective setting with respect to the length of an original on said supporting table, first and second control means fixedly mounted on said apparatus for actuation by said actuating means, means for withdrawing a length of paper from a roll of pHotosensitive paper, means for cutting said withdrawn length of photosensitive paper in response to actuation of said first control means by said actuating member, and means interconnecting said second control means and said driving means for stopping said original supporting table in response to actuation of said second control means by said actuating member, whereby said photosensitive paper is cut to size and said reciprocal movement of said original supporting table is limited in relation to the selective setting of said actuating means, thereby enabling said original supporting table to be automatically limited in its span of movement to a distance corresponding to the selective setting of said actuating means for increasing the operation speed of said apparatus.
Claim 2
Dependent Claim
205 words
An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper, said apparatus comprising an original supporting table, means for driving the original supporting table reciprocally, actuating means adjustably mounted on said original supporting table for selective setting with respect to the length of an original on said supporting table, first and second control means fixedly mounted on said apparatus for actuation by said actuating means, means for withdrawing a length of paper from a roll of pHotosensitive paper, means for cutting said withdrawn length of photosensitive paper in response to actuation of said first control means by said actuating member, and means interconnecting said second control means and said driving means for stopping said original supporting table in response to actuation of said second control means by said actuating member, whereby said photosensitive paper is cut to size and said reciprocal movement of said original supporting table is limited in relation to the selective setting of said actuating means, thereby enabling said original supporting table to be automatically limited in its span of movement to a distance corresponding to the selective setting of said actuating means for increasing the operation speed of said apparatus.
Claim 3
Dependent Claim
38 words
An electrophotographic copying apparatus as set forth in claim 1, in which said first and second control means comprise first and second micro switches connected respectively to control the operation of said cutting means and said driving means.
Claim 4
Dependent Claim
89 words
An electrophotographic copying apparatus as set forth in claim 1, further comprising light shielding cover means for being opened to permit the loading of said roll of photosensitive paper within said apparatus, means for detecting the presence of said roll of photosensitive paper disposed within said apparatus and a closed state of said cover means, and means connecting said detecting means to said driving means to prevent driving movement of said original supporting table when said cover means is open or said roll of photosensitive paper is not detected.
Claim 5
Dependent Claim
149 words
An electrophotographic copying apparatus as set forth in claim 1, further comprising means for detecting the presence of said photosensitive paper at a predetermined position disposed between said roll and said cutter means, a plurality of spaced pairs of rollers for advancing said paper through said apparatus, means for rotating at least one roller in each said pair, wherein said pairs of rollers are disposed between said cutter means and a discharge position in said apparatus to successively advance said paper through said apparatus, and wherein the spacing between adjacent pairs of said rollers is less than the spacing between said detecting means and one pair of said rollers closest thereto, and means connecting said detecting means to said cutting means to prevent the cutting of said paper in response to a failure of said detecting means to detect the presence of said photosensitive paper at said predetermined position.
Claim 6
Dependent Claim
126 words
An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper, said apparatus comprising an original supporting table mounted for reciprocal movement, means for driving said original supporting table reciprocally, light shielding cover means for being opened to permit the loading of a roll of photosensitive paper, first means for detecting the presence of a roll of photosensitive paper mounted within said apparatus, second means for detecting a closed state of said cover means, and means interconnected between said first and second detecting means and said driving means for preventing driving movement of said original supporting table in response to the absence of said roll of photosensitive paper or an open state of said cover means.
Claim 7
Dependent Claim
126 words
An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper, said apparatus comprising an original supporting table mounted for reciprocal movement, means for driving said original supporting table reciprocally, light shielding cover means for being opened to permit the loading of a roll of photosensitive paper, first means for detecting the presence of a roll of photosensitive paper mounted within said apparatus, second means for detecting a closed state of said cover means, and means interconnected between said first and second detecting means and said driving means for preventing driving movement of said original supporting table in response to the absence of said roll of photosensitive paper or an open state of said cover means.
Claim 8
Dependent Claim
195 words
An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper, said apparatus comprising cutter means for cutting the paper of a roll of photosensitive paper to produce copy paper sheets related in length to the length of an original to be copied, means for detecting the presence of a length of photosensitive paper at a predetermined position between said roll of photosensitive paper and said cutter means, a plurality of pairs of spaced rollers for advancing said paper through said apparatus, means for rotating at least one roller of each said pair, wherein said paIrs of rollers are disposed between said cutter means and a discharge position in said apparatus to successively advance said paper through said apparatus, and wherein the spacing between adjacent pairs of said rollers is less than the spacing between said detecting means and one pair of said rollers closest thereto, and control means connecting said detecting means to said cutter means to prevent the cutting of said paper in response to a failure of said detecting means to detect the presence of said photosensitive paper at said predetermined position.
Claim 9
Dependent Claim
195 words
An electrophotographic copying apparatus of the type having a reciprocally movable original supporting table and using a roll of photosensitive paper, said apparatus comprising cutter means for cutting the paper of a roll of photosensitive paper to produce copy paper sheets related in length to the length of an original to be copied, means for detecting the presence of a length of photosensitive paper at a predetermined position between said roll of photosensitive paper and said cutter means, a plurality of pairs of spaced rollers for advancing said paper through said apparatus, means for rotating at least one roller of each said pair, wherein said paIrs of rollers are disposed between said cutter means and a discharge position in said apparatus to successively advance said paper through said apparatus, and wherein the spacing between adjacent pairs of said rollers is less than the spacing between said detecting means and one pair of said rollers closest thereto, and control means connecting said detecting means to said cutter means to prevent the cutting of said paper in response to a failure of said detecting means to detect the presence of said photosensitive paper at said predetermined position.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-06 | 1977-02-05 | 1977-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-06 | 1981-02-05 | 1981-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-06 | 1985-02-05 | 1985-08-07 | $7700.00 | Window Closed / Lapsed |