US3598486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying device for electro photographic copying machines
Assignee: Minolta Co Ltd
•
Filing: 1969-02-13
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Granted: 1971-08-10
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Expires: 1989-02-13
Abstract
Abstract Hot air from the light source chamber is forced into a housing having an air inlet and an air outlet in close proximity to the exposed photosensitive paper. A heat radiation source is mounted in the outlet in the path of the air. Guide plates are mounted in the housing in the airstream from the inlet to change the air flow direction approximately 90*. Both the size of the guide plates and the extent to which they extend into the airstream are successively increased in accordance with the distance of the plates from the air inlet.
Inventors
- 👤 Teizo Kushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:13
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/11; G03D; G03D15/00; G03D15/02; G03D15/027
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
100 words
Drying apparatus for electrophotographic reproducing apparatus of the type using photosensitive paper exposed from a light source chamber, comprising; a housing mounted in said reproducing apparatus and having an air inlet and an air outlet, said outlet is in proximity to the exposed photosensitive paper in said reproducing apparatus to expel air thereupon, a duct interconnecting said light source chamber and said inlet and including means for forcing heated air from said chamber to said inlet, and a heat radiation source mounted in said outlet in the path of the expelled air to project heat onto said exposed photosensitive paper.
Claim 2
Dependent Claim
100 words
Drying apparatus for electrophotographic reproducing apparatus of the type using photosensitive paper exposed from a light source chamber, comprising; a housing mounted in said reproducing apparatus and having an air inlet and an air outlet, said outlet is in proximity to the exposed photosensitive paper in said reproducing apparatus to expel air thereupon, a duct interconnecting said light source chamber and said inlet and including means for forcing heated air from said chamber to said inlet, and a heat radiation source mounted in said outlet in the path of the expelled air to project heat onto said exposed photosensitive paper.
Claim 3
Dependent Claim
21 words
Drying apparatus as in claim 1 wherein said housing further includes means for guiding air from said inlet to said outlet.
Claim 4
Dependent Claim
28 words
Drying apparatus as in claim 2 wherein said means for guiding comprises a plurality of upstanding guide plates mounted perpendicular to the flow of air from said inlet.
Claim 5
Dependent Claim
43 words
Drying apparatus as in claim 3 wherein the size of said guide plates is determined by the distance of a plate from said inlet, said plate size successively increasing from said inlet side of said housing to the opposite side of said housing.
Claim 6
Dependent Claim
38 words
Drying apparatus as in claim 3 wherein the edges of said guide plates intercepting the airstream from said air inlet extend successively further into the airstream in accordance with the distance of the plates from said air inlet.
Claim 7
Dependent Claim
20 words
Drying apparatus as in claim 3 wherein said air inlet and said air outlet are substantially perpendicular to one another.
References Cited (Backward Citations)
US3330179A
Cited
US3450474A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |