Magnetic Coupling for an Imaging Cartridge

Abstract

Provided is a printer cartridge equipped with a magnetic wastebin-hopper coupling. A combination of magnets and magnetically attractive materials are mounted on the wastebin assembly (or photoconductor unit) and hopper assembly of the printer cartridge in order to bias the two assemblies together. This allows an end user to remove the hopper assembly from the wastebin assembly (or photoconductor unit) and replace the expelled hopper assembly without having to latch or unlatch any mechanisms.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

For a fuller understanding of the nature and objects of the invention, reference should be made to the following detailed description, taken in connection with the accompanying drawings, in which:

FIG. 1 shows magnet 5, attached to wastebin assembly 4, repelling magnet 6, attached to hopper assembly 3.

FIG. 2 shows magnetically attractive material 1, attached to wastebin assembly 4, attracting magnet 2, attached to hopper assembly 3.

FIG. 3 is an exploded view of FIG. 2

FIG. 4 shows a detailed view of the multiple contact printer chip

FIG. 5 is an exploded view of a multiple contact printer chip and a printer cartridge.

FIG. 6 shows a multiple contact printer chip installed in a printer chip mounting area of a printer cartridge with contacts 8a exposed.

FIG. 6 a shows a multiple contact printer chip installed in a printer chip mounting area of a printer cartridge with contacts 8b exposed.

FIG. 7 shows a printer cartridge with a wastebin assembly having no recess.

FIG. 8 shows an exploded view of a wastebin assembly with an open area for a resilient pliable structure 10 to cover.

FIG. 9 shows a wastebin assembly with a resilient pliable structure 10 installed.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

In the following detailed description of the preferred embodiments, reference is made to the accompanying drawings, which form a part hereof, and within which are shown by way of illustration specific embodiments by which the invention may be practiced. It is to be understood that other embodiments may be utilized and structural changes may be made without departing from the scope of the invention.

FIGS. 1 through 3 illustrate one embodiment of the invention wherein a hopper assembly is coupled to a wastebin assembly using magnets. The magnetic coupling system can be employed in several different ways. FIG. 1 shows magnet 5 attached to wastebin assembly 4 and magnet 6 attached to hopper assembly 3. Magnets 5 and 6 are oriented with the same poles facing each other so that they repel each other. The result is hopper assembly 3 is biased forward, forming a nip (contact) between the developer roller and the photoconductive drum.

FIG. 2 shows magnet 2 attached to hopper assembly 3 and magnetically attractive material 1 attached to wastebin assembly 4. Magnet 2 is attracted to material 1. The result is hopper assembly 3 is biased forward, forming a nip (contact) between the developer roller and the photoconductive drum. Additionally, the magnet can be attached to the wastebin assembly and the magnetically attractive material can be attached to the hopper assembly to achieve the same result. Magnetically attractive material 1 is any material that attracts magnet 2, including a magnetically attractive metal or a magnet oriented with its opposite pole facing magnet 2.

It is also anticipated that the hopper and wastebin assemblies can be magnetically coupled together by mounting a magnet on the inside of the printer cartridge receiving cavity of the printer that is positioned to either attract or repel a magnet mounted to either the hopper or wastebin assembly, biasing the hopper and wastebin assemblies together.

The magnetic coupling system of the invention is not limited to printer cartridges; it can be used with any imaging cartridge that operates in any imaging machine including cartridges for facsimile machines, photo copiers, and scanners, in addition to ink jet cartridges, solid ink cartridges, and electro photographic cartridges. Additionally, the magnetic coupling system is not limited to coupling wastebin assemblies to hopper assemblies, other imaging assemblies such as photoconductor units can be coupled to hopper assemblies or wastebin assemblies in the same fashion

FIGS. 4 through 6 a illustrate another novel embodiment of the invention wherein the printer cartridge contains a printer chip having a plurality of sets of contacts, each set of contacts capable of allowing interoperation of different types of cartridges or photoconductor units with different types of printers. FIG. 4 shows the multiple contact printer chip 7 which contains bi-directional data processor 11 and contact sets 8a and 8b. Bi-directional data processor 11 contains information required for interoperation of a cartridge or photoconductor unit with different types of printers or a printer with different types of cartridges or photoconductor units. Each set of contacts is connected to bi-directional data processor 11 and is adapted to allow a type of cartridge or photoconductor unit to interoperate with a printer.

Printer chip 7 can be installed on the printer cartridge or photoconductor unit with either contact 8a or 8b oriented to make contact with the corresponding contact points in the printer cartridge receiving cavity of a printer. FIG. 6 shows printer chip 7 installed on a printer cartridge with contacts 8a exposed and FIG. 6a shows printer chip 7 installed on a printer cartridge with contacts 8b exposed. The result is a printer chip that can be installed on a printer cartridge or photoconductor unit in a plurality of orientations in order to allow the printer cartridge or photoconductor unit to interoperate with a plurality of printers, or allow a plurality of printer cartridges or photoconductor units to interoperate with a printer. The printer chip can also be oriented on a printer cartridge so that one set of printer chip contacts is aligned to make contact with the corresponding contact points in the printer cartridge receiving cavity of a printer having contact points in a first location and the other set of contacts is aligned to make contact with the corresponding contact points in the printer cartridge receiving cavity of a different printer having contact points in a second location.

The invention is not limited to 2 sets of contacts. More sets of contacts can be used if needed.

The chip with multiple contacts has utility in several applications. In one application, a set of contacts can interoperate with different models of printers. A user can choose a model printer and determine which set of contacts on the multiple contact printer chip interoperate with the chosen printer. The chip is then installed on a printer cartridge or photoconductor unit with the chosen model contacts in the correct position to mate with the electrical contacts in the printer cartridge receiving cavity of the printer.

In a second application, a set of contacts can interoperate with different brands of printers. A user can choose a brand of printer and determine which set of contacts on the multiple contact printer chip interoperate with the chosen printer. The chip is then installed on a printer cartridge or photoconductor unit with the chosen brand contacts in the correct position to mate with the electrical contacts in the printer cartridge receiving cavity of the printer.

In another application, each set of contacts is associated with the data for a different type of printer cartridge or photoconductor unit. A user can choose a type of printer cartridge or photoconductor unit and determine which set of contacts on the multiple contact printer chip are associated with the corresponding type of printer cartridge or photoconductor unit. The chip is then installed on the printer cartridge or photoconductor unit with the chosen contacts in the correct position to mate with the electrical contacts in the printer cartridge receiving cavity of the printer.

Examples of different types of printer cartridges or photoconductor units are:

• • a) MICR toner or normal toner
  • b) high yield or low yield
  • c) different color toners (magenta, cyan, yellow, black)
  • d) different regions (U.S. or European, etc.)
  • e) different density settings (dark or light)
  • f) any different combination of printer cartridge settings
  • g) different voltage printers (120V or 220V)
  • h) prebate or non-prebate
  • i) any combination of dedicated chip functions (not limited to 2)

The printer chip having a plurality of contact sets is not limited to use on printer cartridges. It can be used with any imaging machine (i.e. facsimile machines, scanners, photo copiers, etc.) or imaging component (i.e. ink jet cartridges, solid ink cartridges, photoconductor units, etc.) that has multiple sets of functions and/or parameters.

Another embodiment of the novel invention is illustrated in FIGS. 7 through 9 wherein wastebin assembly 4 is equipped with a resilient pliable structure 10 allowing the wastebin assembly to conform to the printer cartridge receiving cavity of a plurality of printer models. Rigid front end 12 is removed from wastebin assembly 4 creating recess 9. Resilient pliable structure 10 is attached to the front of wastebin assembly 4, and is sealed along its edges to prevent the escape of toner from the wastebin assembly.

FIG. 9 shows a printer cartridge with the resilient pliable structure 10 attached. When the resilient pliable structure 10 of wastebin assembly 4 contacts an obstruction in the printer cartridge receiving cavity of a printer it is displaced and conforms to the obstruction so that it is not an obstruction any longer. As a result, the wastebin assembly is able to fit in the printer cartridge receiving cavity of multiple different brands and models of printers having obstructions in varying locations.

The resilient pliable wastebin assembly also improves the printer cartridge in that it allows the printer cartridge to hold the maximum volume of waste toner. The wastebin assemblies of the current art have recesses to avoid obstructions in the printer cartridge receiving cavities of printers. These recesses reduce the volume of waste toner that can be contained in the wastebin assembly of the printer cartridge. The resilient pliable adapting front of the invention does not have any shapes formed in it that reduce the volume of toner the wastebin assembly can store. Although, the resilient pliable wastebin of the invention can return to its original shape once it is no longer contacting an obstruction, it is also anticipated that it can remain collapsed after it is no longer contacting an obstruction.

It is also anticipated that the resilient pliable structure can be applied to any type of imaging cartridge that operates in any imaging machine including ink jet cartridges, and electro photographic cartridges, in addition to cartridges for facsimile machines, scanners, copiers and the like. This technology can be integrally formed into a new universal imaging cartridge, or can be applied as a modification to an existing imaging cartridge. Additionally, this technology can be applied to imaging cartridges that comprise a wastebin assembly and a hopper assembly coupled together, or imaging cartridges having a wastebin assembly and a hopper assembly incorporated together into one body. Also, this resilient pliable technology can be applied to any area of an imaging cartridge body that could be an obstruction in an imaging device.

It will be seen that the advantages set forth above, and those made apparent from the foregoing description, are efficiently attained and since certain changes may be made in the above construction without departing from the scope of the invention, it is intended that all matters contained in the foregoing description or shown in the accompanying drawings shall be interpreted as illustrative and not in a limiting sense.

It is also to be understood that the following claims are intended to cover all of the generic and specific features of the invention herein described, and all statements of the scope of the invention which, as a matter of language, might be said to fall therebetween. Now that the invention has been described,

Claims

1. An imaging cartridge adapted to fit in the imaging cartridge receiving cavity of an imaging machine, comprising: a first assembly;a second assembly;a magnet mounted on said first assembly;said magnet adapted to provide a force to bias said first assembly and said second assembly together.

2. The imaging cartridge of claim 1, wherein said first assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

3. The imaging cartridge of claim 1, wherein said second assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

4. The imaging cartridge of claim 1 wherein: said magnet is a first magnet;said first magnet is oriented with a pole facing the same pole of a second magnet mounted in said imaging machine;said first and second magnets adapted to repel each other, whereby said first assembly and said second assembly are biased together.

5. The imaging cartridge of claim 4, wherein said first assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

6. The imaging cartridge of claim 4, wherein said second assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

7. The imaging cartridge of claim 1 wherein: said magnet is oriented facing a magnetically attractive material mounted in said imaging machine, whereby said magnet is attracted to said magnetically attractive material, biasing said first assembly and said second assembly together.

8. The imaging cartridge of claim 7 wherein said first assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

9. The imaging cartridge of claim 7 wherein said second assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

10. The imaging cartridge of claim 7 wherein said magnetically attractive material is a magnetically attractive metal or magnet.

11. An imaging cartridge adapted to fit in the imaging cartridge receiving cavity of an imaging machine, comprising: a first assembly;a second assembly;a first magnet mounted on said first assembly;a second magnet mounted on said second assembly;said first magnet oriented with a pole facing the same pole of said second magnet;said first magnet adapted to repel said second magnet, whereby said first assembly and said second assembly are biased together.

12. The imaging cartridge of claim 11 wherein said first assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

13. An imaging cartridge adapted to fit in the imaging cartridge receiving cavity of an imaging machine, comprising: a magnet mounted on a first assembly;a magnetically attractive material mounted on a second assembly;said magnetically attractive material adapted to attract said magnet, whereby said first assembly and said second assembly are biased together.

14. The imaging cartridge of claim 13 wherein said first assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

15. The imaging cartridge of claim 13, wherein said second assembly is a hopper assembly, wastebin assembly, or photoconductor unit.

16. The imaging cartridge of claim 13 wherein said magnetically attractive material is a magnetically attractive metal or magnet.