Patent US5758652A successfully refreshed from Google Patents.
Patent US4878091A successfully refreshed from Google Patents.
US4878091A
Expired / Lapsed
US
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Multicolor image forming apparatus
Assignee: Konica Minolta Inc
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Filing: 1988-09-15
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Granted: 1989-10-31
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Expires: 2008-09-15
Abstract
Abstract A multicolor image forming apparatus wherein a plurality of developing devices for forming a multicolor image are integrally supported by a support member which can be inserted into and withdrawn from an apparatus body, and a plurality of resupply devices for replenishing toner particles are mounted on each of the developing devices. Each of the developing devices and each of the resupply devices corresponding to each of the developing devices are automatically connected to and disconnected from each other, when the support member is inserted into and withdrawn from the apparatus body. The support member further supports an image retainer and if necessary a cleaning member integrally.
Inventors
- 👤 Shizuo Morita
- 👤 Kazushi Hayakawa
- 👤 Kunio Ito
- 👤 Shunji Matsuo
- 👤 Masakazu Fukuchi
- 👤 Noboru Hatakeyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:31
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/01; G03G15/0105; G03G15/0126; G03G15/06; G03G15/08; G03G15/0896
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
105 words
A multicolor image forming apparatus comprising an apparatus body, a plurality of developing devices for forming a multicolor image, a plurality of resupply devices for replenishing toner particles to each of said developing devices, and a support member for integrally supporting said plurality of developing devices, wherein said support member integrally supporting said plurality of developing devices is mounted detachably on said apparatus body, and each of said developing devices and each of said resupply devices corresponding to each of said developing devices are automatically connected to and disconnected from each other, when said support member is inserted into and withdrawn from the apparatus body.
Claim 2
Dependent Claim
105 words
A multicolor image forming apparatus comprising an apparatus body, a plurality of developing devices for forming a multicolor image, a plurality of resupply devices for replenishing toner particles to each of said developing devices, and a support member for integrally supporting said plurality of developing devices, wherein said support member integrally supporting said plurality of developing devices is mounted detachably on said apparatus body, and each of said developing devices and each of said resupply devices corresponding to each of said developing devices are automatically connected to and disconnected from each other, when said support member is inserted into and withdrawn from the apparatus body.
Claim 3
Dependent Claim
21 words
The multicolor image forming apparatus according to claim 1, characterized in that said support member further supports an image retainer integrally.
Claim 4
Dependent Claim
21 words
The multicolor image forming apparatus according to claim 2, characterized in that said support member further supports a cleaning device integrally.
Claim 5
Dependent Claim
16 words
The multicolor image forming apparatus according to claim 1, wherein said support member is a garage.
Claim 6
Dependent Claim
29 words
The multicolor image forming apparatus according to claim 1, wherein each of said developing devices is in engagement with only a specific one of said plurality of resupply devices.
Claim 7
Dependent Claim
22 words
The multicolor image forming apparatus according to claim 1, wherein each of said developing devices is mounted detachably on said support member.
Claim 8
Dependent Claim
26 words
The multicolor image forming apparatus according to claim 6, wherein each of said developing devices is mounted only at a predetermined position on said support member.
Claim 9
Dependent Claim
181 words
A multicolor image forming apparatus comprising an apparatus body including an image retainer and process means such as a charging means for imparting electric charges to the image retainer, exposure means for performing image-exposing on the charged image retainer according to multicolor image information, a plurality of developing means for developing electrostatic latent images formed on the image retainer by the exposure means, transfer means for transferring the developed image onto a recording medium, cleaning means for cleaning toner particles remaining on the image retainer after transfer, and a plurality of resupply means for replenishing toner to the plurality of developing means, wherein at least said image retainer and said plurality of developing means are integrally supported on a support member which can be inserted into and withdrawn from the apparatus body, and mutual developer resupply portion of the plurality of developing means and the plurality of resupply means provided in the apparatus body separately from the support member are automatically connected to and disconnected from each other, when the support member is inserted into and withdrawn from the apparatus body.
Claim 10
Dependent Claim
181 words
A multicolor image forming apparatus comprising an apparatus body including an image retainer and process means such as a charging means for imparting electric charges to the image retainer, exposure means for performing image-exposing on the charged image retainer according to multicolor image information, a plurality of developing means for developing electrostatic latent images formed on the image retainer by the exposure means, transfer means for transferring the developed image onto a recording medium, cleaning means for cleaning toner particles remaining on the image retainer after transfer, and a plurality of resupply means for replenishing toner to the plurality of developing means, wherein at least said image retainer and said plurality of developing means are integrally supported on a support member which can be inserted into and withdrawn from the apparatus body, and mutual developer resupply portion of the plurality of developing means and the plurality of resupply means provided in the apparatus body separately from the support member are automatically connected to and disconnected from each other, when the support member is inserted into and withdrawn from the apparatus body.
Claim 11
Dependent Claim
37 words
The multicolor image forming apparatus according to claim 8, characterized in that each of said plurality of developing means corresponding to each specific color can be mounted at a specific position with respect to the image retainer.
Claim 12
Dependent Claim
30 words
A multicolor image forming apparatus according to claim 8, wherein each of the plurality of resupply means is detachably mounted only to a developer cartridge corresponding to a specific color.
Claim 13
Dependent Claim
179 words
A multicolor image forming apparatus comprising an apparatus body including an image retainer and process means such as a charging means for imparting electric charges to the image retainer, exposure means for performing image-exposing on the charged image retainer according to multicolor image informations, a plurality of developing means for developing electrostatic latent images formed on the image retainer by the exposure means, transfer means for transferring the developed image onto a recording medium, cleaning means for cleaning toner particles remaining on the image retainer after transfer, and a plurality of resupply means for replenishing toner particles to the plurality of developing means, wherein the plurality of developing means are integrally mounted on a garage member which can be inserted into and withdrawn from the apparatus body, and the plurality of developing means and the plurality of resupply means provided in the apparatus body separately from the garage member are connected to and disconnected from each other corresponding to a specific color through a fool-proof mechanism, when the garage member is inserted into and withdrawn from the apparatus body.
Claim 14
Dependent Claim
179 words
A multicolor image forming apparatus comprising an apparatus body including an image retainer and process means such as a charging means for imparting electric charges to the image retainer, exposure means for performing image-exposing on the charged image retainer according to multicolor image informations, a plurality of developing means for developing electrostatic latent images formed on the image retainer by the exposure means, transfer means for transferring the developed image onto a recording medium, cleaning means for cleaning toner particles remaining on the image retainer after transfer, and a plurality of resupply means for replenishing toner particles to the plurality of developing means, wherein the plurality of developing means are integrally mounted on a garage member which can be inserted into and withdrawn from the apparatus body, and the plurality of developing means and the plurality of resupply means provided in the apparatus body separately from the garage member are connected to and disconnected from each other corresponding to a specific color through a fool-proof mechanism, when the garage member is inserted into and withdrawn from the apparatus body.
Claim 15
Dependent Claim
114 words
A multicolor image forming apparatus comprising an apparatus body including an image retainer and process means such as a charging means for imparting electric charges to the image retainer, exposure means for performing image-exposing on the charged image retainer according to multicolor image information, a plurality of developing means for developing electrostatic latent images formed on the image retainer by the exposure means, transfer means for transferring the developed image onto a recording medium, and cleaning means for cleaning toner particles remaining on the image retainer after transfer, wherein each of the plurality of developing means corresponding to each specific color can be mounted at a specific position with respect to the image retainer.
Claim 16
Dependent Claim
114 words
A multicolor image forming apparatus comprising an apparatus body including an image retainer and process means such as a charging means for imparting electric charges to the image retainer, exposure means for performing image-exposing on the charged image retainer according to multicolor image information, a plurality of developing means for developing electrostatic latent images formed on the image retainer by the exposure means, transfer means for transferring the developed image onto a recording medium, and cleaning means for cleaning toner particles remaining on the image retainer after transfer, wherein each of the plurality of developing means corresponding to each specific color can be mounted at a specific position with respect to the image retainer.
Claim 17
Dependent Claim
39 words
The multicolor image forming apparatus according to claim 12, characterized in that said image retainer and said plurality of developing means are integrally mounted on a support member which can be inserted into and withdrawn from the apparatus body.
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) | 1992-10-30 | 1993-05-01 | 1993-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-10-30 | 1997-05-01 | 1997-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-10-30 | 2001-05-01 | 2001-10-31 | $7700.00 | Window Closed / Lapsed |