Toner cartridge and toner collecting mechanism

• US 6,021,292 A
• Filed: 03/10/1999
• Issued: 02/01/2000
• Est. Priority Date: 03/13/1998
• Status: Expired due to Fees

• Current Assignee: Oki Data Corporation (OKI Electric Industry Company Limited)
• Original Assignee: Oki Data Corporation (OKI Electric Industry Company Limited)
• Inventors: Wakana, Takashi, Nakajima, Shigeki
• Primary Examiner(s): Smith, Matthew S.
• Assistant Examiner(s): TRAN, HOAN H
• Application Number:
  US09/265,407
• Time in Patent Office: 328 Days
• Field of Search: 399/120, 399/119, 399/107, 399/108, 399/111, 399/262, 399/263, 399/360, 222/DIG. 1
• US Class Current: 399/120
• CPC Class Codes: G03G 15/0855 the concentration being measured by optical means
• CPC Class Codes: G03G 15/0865 Arrangements for supplying new developer
• CPC Class Codes: G03G 15/0872 the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis
• CPC Class Codes: G03G 21/105 Arrangements for conveying toner waste
• CPC Class Codes: G03G 21/12 Toner waste containers
• CPC Class Codes: G03G 2215/0665 Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
• CPC Class Codes: Y10S 222/01 Xerography

Abstract

A toner cartridge includes a hollow outer body, hollow inner body, and partition. The inner body is inserted into an outer body and slidably rotatable relative to the outer body. A partition is supported in the outer body and is slidable relative to the outer body in a longitudinal direction of the cartridge. The partition is at a first position substantially adjacent a longitudinal end when the inner body is at a closing position. The partition is moved to a second position after the inner body has been rotated to the opening position, thereby defining a residual toner accommodating space between the partition and the longitudinal end of the outer body. An agitating member may be provided in which a residual toner accommodating space is formed therein. The residual toner removed from a photoconductive drum is collected in a first toner receiving section. The residual toner is then carried by a screw conveyor to one side of the print process cartridge. A second toner receiving section is coupled to the toner cartridge, remote from the first toner receiving section. A belt carries the residual toner from the first toner receiving section at one side of the print process cartridge to the second toner receiving section.

Claims

1. A toner cartridge, comprising:

a hollow outer body, extending in a longitudinal direction thereof and having a longitudinal end, said outer body having at least one first opening formed therein;

a hollow inner body inserted into said outer body and slidable relative to said outer body, said inner body holding toner therein, said inner body having at least one second opening formed therein, the second opening being aligned with the first opening when said inner body is slid relative to said outer body, thereby allowing the toner to be discharged out of the inner body;

a partition disposed in said outer body, said partition being slidable relative to said outer body in the longitudinal direction, said partition moving from a first position to a second position when said inner body is slid relative to said outer body, thereby defining a residual toner accommodating space between said partition and the longitudinal end.

2. The toner cartridge according to claim 1, wherein when said partition is at said first position, the toner is held adjacent the partition.

3. The toner cartridge according to claim 2 further including a locking mechanism, wherein said locking mechanism holds said partition at the first position when said inner body is at a closing position where the toner does not come out of the toner cartridge, and allows said partition to move to the second position when said inner body is slid to an opening position where the toner is discharged.

4. The toner cartridge according to claim 2, wherein said partition reaches the second position just before the said inner body has been slid to the opening position.

5. A toner cartridge, comprising:

a main body, holding fresh toner therein, said main body having a first opening; and

a lid, closing the first opening of said main body, said lid having walls that completely define a residual toner chamber, so that the residual toner chamber is formed only in the lid and is completely separated from the main body by the walls, said lid having a second opening through which the residual toner chamber receives residual toner from outside,

wherein when said lid is assembled to said main body to close the first opening, the walls are received in said main body so that the residual toner chamber extends into said main body.

6. The toner cartridge according to claim 5, wherein said main body is a hollow body extending in a longitudinal direction thereof, and the first opening is at one longitudinal end thereof;

and

wherein the residual toner chamber extends substantially parallel to the longitudinal direction and the second opening is substantially aligned with the first opening.

7. A toner cartridge, comprising:

a hollow outer body extending in a longitudinal direction thereof, said outer body having at least one first opening formed therein;

a hollow inner body slidably inserted into said outer body, said inner body holding toner therein, said inner body being slidable relative to said outer body and having at least one second opening corresponding to said first opening; and

an agitating member supported in said inner body, said agitating member being rotatable relative to said inner body and said outer body substantially about a longitudinal axis of said inner body, said agitating member having a residual toner accommodating space therein.

8. The toner cartridge according to claim 7, wherein said agitating member is rotated about the longitudinal axis, said agitating member radially projecting and axially extending substantially between the longitudinal axis and an inner surface of the inner body.

9. The toner cartridge according to claim 7, wherein said agitating member is rotated about the longitudinal axis, said agitating member being substantially symmetric with respect to the longitudinal axis.

10. The toner cartridge according to claim 9, wherein said residual toner accommodating space tapers toward one end of the longitudinal axis.

11. The toner cartridge according to claim 9, wherein said agitating member has a flap that rotates together with said agitating member about the longitudinal axis.

12. The toner cartridge according to claim 7, wherein said agitating member is substantially asymmetrical with respect to the longitudinal axis.

13. The toner cartridge according to claim 12, wherein said residual toner accommodating space tapers toward one end of the longitudinal axis.