US4777903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reservoir wick system
Assignee: Xerox Corp
•
Filing: 1987-04-06
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Granted: 1988-10-18
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Expires: 2007-04-06
Abstract
Abstract A reservoir wick system in an apparatus for fixing a toner image on image supporting members including a first and second roller for conveying the image supporting member therebetween and fixing the toner image on the image supporting member, an applicator in contact with the first roller for applying offset preventing liquid to the first roller and forming a nip for receiving said image supporting member, the applicator disposed underneath the first roller and including a woven cloth for retaining the offset preventing liquid, the flow offset prevention liquid to the first roller being drawn up by capillary action and controlled by the weave of the woven cloth.
Inventors
- 👤 Raymond D. Wilcox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:07
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/20; G03G15/2003; G03G15/2014; G03G15/2017; G03G15/2025
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
159 words
Apparatus for fixing a toner image on a copy sheet comprising: a first roller and a second roller disposed in contact with the first roller forming a nip for receiving a copy sheet and fixing the toner image on the copy sheet, an applicator in contact with the first roller for applying offset preventing liquid to the first roller, the applicator including: a reservoir for the offset preventing liquid disposed underneath the first roller, a supply wick, a metal screen disposed intermediate the supply wick and the reservoir, a woven cloth disposed underneath the first roller and communicating with the supply wick, the offset preventing liquid being drawn up through the screen to the supply wick by capillary action and then drawn up through the wick to the woven cloth and applied to the first roller, and means for controlling the flow of the offset preventing liquid to the first roller by changing the weave of the woven cloth.
Claim 2
Dependent Claim
159 words
Apparatus for fixing a toner image on a copy sheet comprising: a first roller and a second roller disposed in contact with the first roller forming a nip for receiving a copy sheet and fixing the toner image on the copy sheet, an applicator in contact with the first roller for applying offset preventing liquid to the first roller, the applicator including: a reservoir for the offset preventing liquid disposed underneath the first roller, a supply wick, a metal screen disposed intermediate the supply wick and the reservoir, a woven cloth disposed underneath the first roller and communicating with the supply wick, the offset preventing liquid being drawn up through the screen to the supply wick by capillary action and then drawn up through the wick to the woven cloth and applied to the first roller, and means for controlling the flow of the offset preventing liquid to the first roller by changing the weave of the woven cloth.
Claim 3
Dependent Claim
11 words
The apparatus of claim 1 wherein the woven cloth is Nomex.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-10-18 | 1992-04-18 | 1992-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-10-18 | 1996-04-18 | 1996-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-10-18 | 2000-04-18 | 2000-10-18 | $7700.00 | Window Closed / Lapsed |