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US4841329A Expired / Lapsed US ⏱️ 0.0 years remaining

Developing device accommodating apparatus and image forming apparatus and developing device

Assignee: Canon Inc
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Filing: 1987-11-05
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Granted: 1989-06-20
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Expires: 2007-11-05
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Abstract

Abstract An image forming apparatus includes accommodating assembly for accommodating a plurality of developing devices on stages arranged substantially vertically and having first driving mechanism for moving the developing devices in a substantially horizontal plane, an image formation assembly for receiving selected one of the developing devices moved out of the accommodating assembly and for further moving it in a substantially horizontal plane, the image formation assembly including systems for forming images using the developing device, the accommodating assembly further including an opening for allowing a the developing device to be loaded into the accommodating assembly.

Inventors

  • 👤 Toshirou Kasamura
  • 👤 Masafumi Takagi
  • 👤 Naoki Okuda
  • 👤 Masashi Ohashi
  • 👤 Toshihiko Kusumoto
  • 👤 Nobukazu Sasaki
  • 👤 Yasunori Maeda
  • 👤 Masamichi Ikeda

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 10:37
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/01; G03G15/0105; G03G15/0126; G03G15/06; G03G15/08; G03G15/0896

Claims Analysis

Total Claims: 37
Claim 1
Independent Claim 135 words
An image forming apparatus, comprising: accommodating means for accomodating a plurality of developing devices on movable stages and having first moving means for moving the developing devices in a predetermined direction intersecting a direction of movement of the stages; and an image formation assembly including a second moving means for receiving a said developing device moved out of said accommodating means and for further moving it in the predetermined direction, said image formation assembly including means for forming images using said developing device; said accommodating means further including means for allowing a said developing device to be loaded into said accommodating means, said allowing means allowing said accommodating means to be hinged to expose such side of said accommodating means as is opposed to said moving means, thus allowing the loading of the developing device.
Claim 2
Dependent Claim 135 words
An image forming apparatus, comprising: accommodating means for accomodating a plurality of developing devices on movable stages and having first moving means for moving the developing devices in a predetermined direction intersecting a direction of movement of the stages; and an image formation assembly including a second moving means for receiving a said developing device moved out of said accommodating means and for further moving it in the predetermined direction, said image formation assembly including means for forming images using said developing device; said accommodating means further including means for allowing a said developing device to be loaded into said accommodating means, said allowing means allowing said accommodating means to be hinged to expose such side of said accommodating means as is opposed to said moving means, thus allowing the loading of the developing device.
Claim 3
Dependent Claim 42 words
An apparatus according to claim 1, wherein said allowing means allows said accommodating means to be hinged to expose such a side of said accommodating means as is opposed to said second moving means, thus allowing the loading of the developing device.
Claim 4
Dependent Claim 140 words
An image forming apparatus, comprising: accommodating means for accommodating a plurality of developing devices on movable stages and having first moving means for moving the developing devices in a predetermined direction intersecting a direction of movement of the stages; and an image formation assembly including a second moving means for receiving a said developing device moved out of said accommodating means and for further moving it in the predetermined direction, said image formation assembly including means for forming images using said developing device; said accommodating means further including means for allowing a said developing device to be loaded into said accommodating means, said allowing means including a movable member to open or close an opening of said accommodating means formed in such a side of said accommodating means as is different from a side thereof opposed to said second means.
Claim 5
Dependent Claim 140 words
An image forming apparatus, comprising: accommodating means for accommodating a plurality of developing devices on movable stages and having first moving means for moving the developing devices in a predetermined direction intersecting a direction of movement of the stages; and an image formation assembly including a second moving means for receiving a said developing device moved out of said accommodating means and for further moving it in the predetermined direction, said image formation assembly including means for forming images using said developing device; said accommodating means further including means for allowing a said developing device to be loaded into said accommodating means, said allowing means including a movable member to open or close an opening of said accommodating means formed in such a side of said accommodating means as is different from a side thereof opposed to said second means.
Claim 6
Dependent Claim 41 words
An apparatus according to claim 3, wherein the movable member includes a door for allowing the loading of the developing device in a direction substantially the same as movement direction of said developing device by said first and second moving means.
Claim 7
Dependent Claim 24 words
An apparatus according to claim 4, wherein said door, when it is opened, provides a surface for assisting the loading of the developing device.
Claim 8
Dependent Claim 64 words
An apparatus according to claim 5, wherein said accommodating means is provided with a stopper for engagement with the developing device to control movement of the developing device within said accommodating means, and wherein the door is interrelated with the stopper to operate the stopper in response to opening of the door and to disable the stopper in response to closing of the door.
Claim 9
Dependent Claim 41 words
An apparatus according to claim 3, wherein said second moving means includes a passage for conveying the developing device, and wherein the door closes or opens only the opening which is faced to the stage along an extension of the passage.
Claim 10
Dependent Claim 42 words
An apparatus according to claim 7, wherein the door is allowed to be opened only when a level of one of the stages are aligned with a level of a conveying passage in said image formation assembly for guiding the developing device.
Claim 11
Dependent Claim 55 words
An apparatus according to claim 8, wherein the door is provided with a member for assisting the loading of the developing device, the assisting member being movable relative to the door and being disposed inside said accommodating means when the door is closed, and being contactable to the developing device when the door is opened.
Claim 12
Dependent Claim 55 words
An apparatus according to claim 5, wherein the door is provided with a member for assisting the loading of the developing device, the assisting member being movable relative to the door and being disposed inside said accommodating means when the door is closed, and being contactable to the developing device when the door is opened.
Claim 13
Dependent Claim 96 words
An apparatus according to claim 7, wherein the developing device is provided with a drive receiving portion for receiving driving force from said first moving means, said drive receiving portion is projected from lateral sides of the developing device with respect to movement direction thereof, wherein said first moving means of said first accommodating means includes a first U-shaped guiding members for guiding the drive receiving portion and opened to apply the driving force to the drive receiving portion, and wherein said second moving means includes guiding members for receiving and guiding said drive receiving portions.
Claim 14
Dependent Claim 96 words
An apparatus according to claim 8, wherein the developing device is provided with a drive receiving portion for receiving driving force from said first moving means, said drive receiving portion is projected from lateral sides of the developing device with respect to movement direction thereof, wherein said first moving means of said first accommodating means includes a first U-shaped guiding members for guiding the drive receiving portion and opened to apply the driving force to the drive receiving portion, and wherein said second moving means includes guiding members for receiving and guiding said drive receiving portions.
Claim 15
Dependent Claim 53 words
An apparatus according to claim 7, wherein the developing device is provided with a drive receiving portion for receiving driving force from said first moving means, said drive receiving portion is projected from a top surface of said developing device adjacent lateral sides of the developing device with respect to movement direction thereof.
Claim 16
Dependent Claim 53 words
An apparatus according to claim 8, wherein the developing device is provided with a drive receiving portion for receiving driving force from said first moving means, said drive receiving portion is projected from a top surface of said developing device adjacent lateral sides of the developing device with respect to movement direction thereof.
Claim 17
Dependent Claim 123 words
An accommodating apparatus for accommodating a plurality of developing devices, comprising: accommodating case having a plurality of partition stages, arranged in a predetermined direction for supporting the developing devices, said accommodating case being movable in the predetermined direction; and a housing for said accommodating case having an opening, in a first side thereof, for allowing the developing devices to be automatically supplied into an image forming apparatus with which said accommodating apparatus is used, and having an opening, in a second side thereof, which is different from the first side, for allowing the developing devices to be loaded into said accommodating case, said opening being provided with a door, and the loading of the developing device is permitted when the door is opened.
Claim 18
Dependent Claim 123 words
An accommodating apparatus for accommodating a plurality of developing devices, comprising: accommodating case having a plurality of partition stages, arranged in a predetermined direction for supporting the developing devices, said accommodating case being movable in the predetermined direction; and a housing for said accommodating case having an opening, in a first side thereof, for allowing the developing devices to be automatically supplied into an image forming apparatus with which said accommodating apparatus is used, and having an opening, in a second side thereof, which is different from the first side, for allowing the developing devices to be loaded into said accommodating case, said opening being provided with a door, and the loading of the developing device is permitted when the door is opened.
Claim 19
Dependent Claim 38 words
An apparatus according to claim 15, wherein the automatic supplying opening is opposed to a passage in the image forming apparatus for conveying the developing device, and said loading opening is disposed along an extension of the passage.
Claim 20
Dependent Claim 46 words
An apparatus according to claim 16, wherein the door, when it is opened, constitutes a guiding surface for assisting the loading of the developing device; and the door is provided with an assisting member movable relative to the guiding surface and engageable to the developing device.
Claim 21
Dependent Claim 97 words
An accommodating apparatus for accommodating a plurality of developing devices, comprising: an accommodating case having a plurality of partition stages, arranged substantially vertically, for supporting developing devices, said accommodating case is vertically movable; and securing means having plural securing members for securedly accommodating the developing devices in the accommodating case, said securing member being movable into and away from a passage for horizontal movement of the developing devices, and said securing members securing a front and rear side of each of the developing devices with respect to the horizontal movement thereof toward outside of said accommodating apparatus.
Claim 22
Dependent Claim 97 words
An accommodating apparatus for accommodating a plurality of developing devices, comprising: an accommodating case having a plurality of partition stages, arranged substantially vertically, for supporting developing devices, said accommodating case is vertically movable; and securing means having plural securing members for securedly accommodating the developing devices in the accommodating case, said securing member being movable into and away from a passage for horizontal movement of the developing devices, and said securing members securing a front and rear side of each of the developing devices with respect to the horizontal movement thereof toward outside of said accommodating apparatus.
Claim 23
Dependent Claim 52 words
An apparatus according to claim 18, wherein said securing members are provided at the front side adjacent to lateral ends with respect to a direction of the horizontal movement of the developing device, and are provided at the rear end of the developing device adjacent the lateral ends of the developing device.
Claim 24
Dependent Claim 23 words
An apparatus according to claim 18 further comprising control means for actuating said securing members simultaneously, for the developing device to be moved.
Claim 25
Dependent Claim 23 words
An apparatus according to claim 19, further comprising control means for actuating said securing members simultaneously, for the developing device to be moved.
Claim 26
Dependent Claim 39 words
An apparatus according to claim 20, wherein said control means releases the developing device from the securing by said securing means before the developing means associated with the securing means is supplied with driving force for the horizontal movement.
Claim 27
Dependent Claim 39 words
An apparatus according to claim 21, wherein said control means releases the developing device from the securing by said securing means before the developing means associated with the securing means is supplied with driving force for the horizontal movement.
Claim 28
Dependent Claim 28 words
An apparatus according to claim 18, wherein said securing means is restricted from the passage in association with the loading of the developing device into said accommodating apparatus.
Claim 29
Dependent Claim 45 words
An apparatus according to claim 22, wherein the transmission of the driving force and the releasing operation of said control means are performed with respect to the developing device accommodated opposed to an opening, of said casing, for allowing automatic conveyance of the developing device.
Claim 30
Dependent Claim 59 words
An accommodating apparatus for accommodating a plurality of developing devices, comprising: a passage for guiding movement in a predetermined direction to guide projections of a developing device projected from lateral sides, said projections are provided with portions for receiving driving forces; and means for transmitting driving forces to the drive receiving portion of the projection disposed in said passage.
Claim 31
Dependent Claim 59 words
An accommodating apparatus for accommodating a plurality of developing devices, comprising: a passage for guiding movement in a predetermined direction to guide projections of a developing device projected from lateral sides, said projections are provided with portions for receiving driving forces; and means for transmitting driving forces to the drive receiving portion of the projection disposed in said passage.
Claim 32
Dependent Claim 37 words
An apparatus according to claim 26, wherein said transmitting means is disposed to be actable on the developing device disposed at a position for movement into an image forming apparatus with which said accommodating apparatus is used.
Claim 33
Dependent Claim 43 words
An apparatus according to claim 27, further comprising a casing having an opening for allowing the developing device to be loaded into said apparatus from outside thereof, and wherein said opening is formed corresponding to the guiding portion of said image forming apparatus.
Claim 34
Dependent Claim 30 words
An apparatus according to claim 26, further comprising means for moving the plurality of developing devices substantially vertically, and control means for controlling said transmitting means and said moving means.
Claim 35
Dependent Claim 81 words
A developing device usable with an apparatus provided with means for moving the developing device in a predetermined direction, comprising: a main assembly containing means for developing an image, said main assembly having lateral sides with respect to a direction of movement; and projections from a lateral side or sides of said developing device, said projection having a drive receiving portion to which driving force is transmitted from the moving means, said projections being guided along guiding members in said apparatus.
Claim 36
Dependent Claim 81 words
A developing device usable with an apparatus provided with means for moving the developing device in a predetermined direction, comprising: a main assembly containing means for developing an image, said main assembly having lateral sides with respect to a direction of movement; and projections from a lateral side or sides of said developing device, said projection having a drive receiving portion to which driving force is transmitted from the moving means, said projections being guided along guiding members in said apparatus.
Claim 37
Dependent Claim 25 words
A device according to claim 30, further comprising additional drive receiving portions formed on a top side of said developing device adjacent lateral ends thereof.

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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) 1992-06-19 1992-12-19 1993-06-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1996-06-19 1996-12-19 1997-06-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2000-06-19 2000-12-19 2001-06-20 $7700.00 Window Closed / Lapsed

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