Matches 201 - 237 out of 237 < 1 2 3 4 5
Match Document Document Title
5280324 Toner cartridge  
A detachable toner cartridge for use in an electrophotographic printer includes an outer cylinder and an inner cylinder contacting each other and having respective toner discharge outlets that can...
5274425 Toner sealing material  
A toner sealing material for use in a toner cartridge of an electrophotographic image formation apparatus is disclosed. The toner sealing material comprises an elastic layer which is in contact...
5264901 Toner cartridge seal  
A sealing method is provided for preventing leakage of toner from the initial fill or refill of a toner cartridge, in particular an IBM 4019/4029 cartridge used for a laser printer. The sealing...
5263517 Toner pack for use with the developing device and method of filling up toner from the toner pack to the developing device  
A toner pack for use with the developing device includes a toner box in which toner is stored and which is detachably set at the developing device, an endless seal sheet a portion of which is...
5261568 Apparatus for storing and dispensing pigmented marking particles  
Apparatus for storing and dispensing pigmented marking particles into the development mechanism of a reproduction apparatus. The storing and dispensing apparatus comprises a cartridge including a...
5260749 Toner cartridge  
A toner cartridge for supplying a toner to the toner hopper of a developing apparatus incorporated in image forming equipment. A take-up roller is rotatably mounted on a case which stores a toner...
5221945 Toner cartridge having an air passageway  
A toner cartridge in which a container defines an open ended chamber. The container is adapted to store a supply of toner in the chamber thereof. The open end of the chamber is sealed. A passageway...
5177540 Developer container, developer unit and process cartridge having the developer unit  
An opening of a developer container is sealed by a sealing member which is easy to tear in a predetermined direction. The sealing member is composed of a main portion having a tear strip portion,...
5175588 Developing device  
A developing device includes a device body which has a toner reception port and supplies toner stored therein to a photosensitive member, a toner cartridge, which is detachably mounted in the...
5153650 Toner container and process unit including the same  
A process unit includes a unit frame having a pair of walls arranged in a width direction to maintain a distance and a developing device mounted between the pair of side walls of the unit frame....
5153643 Method of preventing leakage of toner during pre-mounting transportation of a new developing unit  
The present invention relates to a developing unit for developing a latent image on a medium. This developing unit also provides a device for preventing leakage of toner to the cartridge mounting...
5150807 Apparatus for storing marking particles  
An apparatus for storing marking particles is described which includes a container defining a chamber for storing the marking particles therein and having an opening defined therein for the...
5142335 Electrostatic latent image-developing device and toner cartridge used therefor  
An electrostatic latent image-developing device is equipped with a toner cartridge-holding means and a toner cartridge fitted thereto. The toner cartridge includes a container with a toner...
5122837 Toner cartridge for an image forming apparatus  
A structure of a toner cartridge removably mounted on a developing unit of an image forming apparatus. Once a toner end mode is set due to the exhaustion of toner which is accommodated in the toner...
5091750 Cartridge unit  
A toner cartridge unit for a copying machine having a double shutter at the mouth of the toner cartridge. The double shutter is locked when the cartridge is not attached to a toner hopper of the...
5040024 Vessel for developer  
An electrophotographic copying machine developer vessel includes a vessel proper having a closed top, a barrel and a tapered inclined portion continuous to the barrel. The developer vessel also...
5030998 Toner cartridge having easily removable toner supply opening seal member  
A toner cartridge with a cartridge body having a toner supply opening, a seal member, having a folded part, for closing the toner supply opening with a portion between the folded part and an end,...
5030997 Toner dispenser for xerographic machines  
A toner supply and dispensing cartridge for use with a xerographic copying machine. The cartridge includes a cylinder which contains a supply of particulate toner material, the cylinder having a...
5027156 Seal structure for a chamber means containing a developer material  
A seal structure including a seal member for sealing a developer chamber with unused developer accommodated in the chamber. The seal member partly extends outward from the chamber to provide a pull...
4942432 Apparatus for adding toner to an electrostatographic development station  
An efficient, clean and inexpensive apparatus for adding fresh toner to a development station in an electrostatographic copier or printer includes a pivotable member for holding and transporting a...
4937628 Apparatus for storing and dispensing particulate material  
Apparatus for storing and dispensing particulate material comprising a container defining a chamber for storing particulate material having an opening in the surface for dispensing particulate...
4931838 Developing apparatus and process cartridge having the same  
A second chamber containing a developer and a first chamber within which a developing roller for applying the developer to an image bearing member is arranged are partitioned by a flexible film....
4913448 Sealing arrangement  
A sealing arrangement for a container in which an auger having vanes is disposed in the chamber thereof for moving particulate material stored therein. A threaded sealing member is adapted to...
4895104 Developer reservoir  
A developer reservoir in which a flexible seal member is separably bonded to the circumferential surface of an opening in a bottom portion of a reservoir body containing a developer for sealing the...
4870463 Latent electrostatic image developing device and toner cartridge  
A latent electrostatic image developing device, including a cartridge loading section having an open top and a toner cartridge adapted to be removably loaded into the cartridge loading section. The...
4862210 Replaceable seal assembly for toner cartidges and method of use  
A replaceable seal assembly (10) for a used Canon brand developer station (100) having a peripheral recess (106) created by the removal of the original toner reservoir seal; wherein, the seal...
4834246 Toner cartridge  
A disposable toner cartridge includes a cartridge container having a bottom opening for discharging toner and a sealing film that may be peeled off of the bottom opening in a first direction. A...
4827307 Toner cartridge for use in an electrophotographic printing machine  
A toner cartridge for use in a copying machine for supplying fresh toner to the developer for the machine. The cartridge is formed with an elongated opening to permit discharge of toner when...
4766457 Particulate material dispenser  
Apparatus for dispensing particulate material has a substantially enclosed rigid housing with longitudinally disposed walls and parallel side walls having an opening in the housing for dispensing...
4752807 Apparatus for adding toner to an electrographic development station  
A development station of electrographic apparatus uses particles of toner to develop latent images on a photoconductor. As the toner particles are depleted a new supply of toner from a container is...
4690540 Developer system for reproduction and printing machines  
A reproduction machine having a recording member, a developer housing with sump, a magnetic brush roll for bringing developer from the sump into developing relation with the recording member, a...
4523834 Dry toner replenishing apparatus  
A dry toner replenishing apparatus is provided for periodically replenishing dry toner into a storage receptacle of a copying machine. The apparatus includes a toner material supply container...
4040387 Electrostatic photographic copying apparatus  
An electrostatic photographic copying apparatus comprising a frame member having a transparent plate on which to place an original to be copied, a rotatable photosensitive drum having an...
3954331 Toner dispenser  
A toner dispenser for a development system of an electrostatic processor has a removable reservoir which mates with a collar on a pivotally mounted hopper containing a dispensing roll. The...
3704686 TONER PUMP  
A controlled standing wave of developer is formed above a pair of spaced baffle plates by a pair of axially elongated counter-rotating gears supported below the baffle plates in a tank of...
3606864 Title is not available  
7336915 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
 
Matches 201 - 237 out of 237 < 1 2 3 4 5