US3566831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Print toner bath and feed construction for photocopier devices
Assignee: Individual
•
Filing: 1968-09-27
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Granted: 1971-03-02
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Expires: 1988-09-27
Abstract
Abstract A toner bath apparatus including a tray having a curved upper surface open which a sheet of exposed, sensitized paper travels, and a toner spray device extending above the curved tray and dispensing an elongated spray of toner of substantial angular extent whereby the spray impinges upon the surface of the paper and forces it to conform to the curvature of the tray.
Inventors
- 👤 David L Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:55
CPC Classifications
G; G03; G03D; G03D5/00; G03D5/04; G03G; G03G15/00; G03G15/06; G03G15/10; G03G15/108
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
Improved print toner bath and feed construction for use with a photocopying device comprising: An activating tank having means for the maintenance of an activating liquid therein at predetermined level, said tan having an upwardly disposed generally rectangular opening, an arcuately shaped tray disposed within said opening, paper guiding means leading to said opening, toner-dispensing means overlying said opening, and having means for spraying toner in a spray which is coextensive with a substantial portion of said opening and has an angularly directed discharge of substantial extent onto said tray, whereby upon the operation of said spraying means, and the introduction of an exposed copy sheet to said guiding means, said copy sheet is curved to conform to the arcuate configuration of said tray to be immersed in liquid toner by the downward force of the spray emanating from said toner-dispensing means.
Claim 2
Dependent Claim
142 words
Improved print toner bath and feed construction for use with a photocopying device comprising: An activating tank having means for the maintenance of an activating liquid therein at predetermined level, said tan having an upwardly disposed generally rectangular opening, an arcuately shaped tray disposed within said opening, paper guiding means leading to said opening, toner-dispensing means overlying said opening, and having means for spraying toner in a spray which is coextensive with a substantial portion of said opening and has an angularly directed discharge of substantial extent onto said tray, whereby upon the operation of said spraying means, and the introduction of an exposed copy sheet to said guiding means, said copy sheet is curved to conform to the arcuate configuration of said tray to be immersed in liquid toner by the downward force of the spray emanating from said toner-dispensing means.
References Cited (Backward Citations)
US3202526A
Cited
US3249088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-03-01 | 1974-08-31 | 1975-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-01 | 1978-08-31 | 1979-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-01 | 1982-08-31 | 1983-03-02 | $7700.00 | Window Closed / Lapsed |