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Patent US3932035A successfully refreshed from Google Patents.
US3932035A
Expired / Lapsed
US
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Apparatus for transferring a toner image
Assignee: Xerox Ltd
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Filing: 1974-08-29
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Granted: 1976-01-13
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Expires: 1994-08-29
Abstract
Abstract A toner image is transferred from a toner substrate to a transfer sheet by bringing the toner substrate and the transfer sheet into face to face contact and applying a vibration thereto, while simultaneously applying pressure and/or an electrical field across the substrate and transfer sheet.
Inventors
- 👤 Masamichi Sato
- 👤 Osamu Fukushima
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:52
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/14; G03G15/16; G03G15/1665; G03G15/167
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
60 words
An apparatus for transferring a toner image from a toner substrate to a transfer sheet which comprises, contact means for bringing the toner substrate and the transfer sheet into face to face contact with each other, and vibrating means associated with said contact means for producing a vibration at the area of contact between said toner substrate and transfer sheet.
Claim 2
Independent Claim
60 words
An apparatus for transferring a toner image from a toner substrate to a transfer sheet which comprises, contact means for bringing the toner substrate and the transfer sheet into face to face contact with each other, and vibrating means associated with said contact means for producing a vibration at the area of contact between said toner substrate and transfer sheet.
Claim 3
Dependent Claim
21 words
The apparatus as set forth in claim 1, wherein the contact means comprises at least one pair of superimposed rollers means.
Claim 4
Dependent Claim
21 words
The apparatus as set forth in claim 2, wherein means are provided for rotating at least one of said roller means.
Claim 5
Dependent Claim
23 words
The apparatus as set forth in claim 2, wherein the means for rotating the roller means is associated with the lower roller means.
Claim 6
Dependent Claim
20 words
The apparatus as set forth in claim 2, wherein at least one of the roller means is a metal roller.
Claim 7
Dependent Claim
40 words
The apparatus as set forth in claim 2, wherein at least one of the roller means comprises a metal core covered with a material selected from the group consisting of an electroconductive material, a semi-conductive material, and an insulating rubber.
Claim 8
Dependent Claim
22 words
The apparatus as set forth in claim 2, wherein the vibrator means is associated with the axis of the lower roller means.
Claim 9
Dependent Claim
29 words
The apparatus as set forth in claim 1, wherein the vibrator means includes a piezoelectric element or a magnetostrictive element associated therewith to which an alternating current is applied.
Claim 10
Dependent Claim
16 words
The apparatus as set forth in claim 1, wherein the vibrator means is a mechanical vibrator.
References Cited (Backward Citations)
US3708286A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-01-12 | 1979-07-14 | 1980-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-01-12 | 1983-07-14 | 1984-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-01-12 | 1987-07-14 | 1988-01-13 | $7700.00 | Window Closed / Lapsed |